slot gacor slot gacor slot777 papuatoto slot gacor toto slot88 mito99 coktogel apk slot jktok login okjkt apk slot apk slot slot slot dadu dewa 22 depo toto https://kaanapaliresort.com/japengo/ slot gacor slot gacor slot gacor slot slot slot gacor slot dadu slot gacor slot88 toto1000 Slot777 batmantoto jktok jktjkt login apk slot piktoto slot togel bossmahjong login slot slot gacor https://greentransportationinc.com/ mahjongwin138 slot gacor slot slot mancis68 slot gacor slot toto Jurnal Agroplasma is an Open Access Journal published by LPPM Universitas Labuhanbatu established since 2014. By publishing biannually on May and October, Jurnal Agroplasma publishes original articles, review articles, case studies, and short communication on the subject of agrotechnology. This journal has been accredited Fifth Rank (Peringkat 5) by the Ministry of Research, Technology, and Higher Education, Republic of Indonesia (No. 152/E/KPT/2023, dated 25 September 2023). This accreditation is valid from Vol. 9 No. 2 (October 2022) to Vol. 14 No. 1 (May 2027). 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Efektivitas Pemberian Eco Enzyme Terhadap Pertumbuhan Generatif Tanaman Padi (Oryza sativa L.) Varietas Lampai Sirandah Kabupaten Sijunjung
Eco enzyme is an organic solution resulting from the fermentation of organic waste, sugar and water. Eco enzyme liquid is dark in color and has souroma.Materials to make eco enzyme can come from organic waste such as fruit peels,vegetables, and others, and the fermentation process takes about three months. This study aims to determine the right dose of eco enzyme for the growth of Lampai Sirandah rice variety in Sijunjung Regency. The study used a group randomized design with 5 treatment levels and 5replications, a total of 25 experimental units. The treatments given were without eco enzyme, 20 ml/l water, 40 ml/l water, 60 ml/l water, and 80 ml/l water. Based on the results of the study, the application of eco enzyme showed a significant effect on the flower emergence, number of panicles, panicle length, harvest age, number of grains per clump. The best dose of eco enzyme to increase the vegetative growth of Lampai Sirandah rice plants in Sijunjung Regency is 60ml/l water (P3). Keywords: lampai sirandah rice, eco enzyme
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Pengaruh Pemberian Pupuk Organik Cair Limbah Sayuran Terhadap Pertumbuhan dan Hasil Tanaman Kailan (Brassica oleraceae L.) Varietas Nita F1
The use of liquid organic fertilizer contains various nutrients required for plant gowth, improves soil quality, enhances soil fertility, and reduces excessive use of inorganic fertilizers, thereby helping to enhance the gowth and yield of Kailan plants. This study aims to determine the optimal concentration of liquid organic fertilizer from vegetable waste that has the best effect on the gowth and yield of Kailan (Brassica oleracea L.) variety Nita F1. The experiment was conducted in Puseurjaya Village, Telukjambe Timur Subdistrict, Karawang Regency, West Java Province, Indonesia, from April to August 2024. The research method used was an experimental design with a single-factor randomized block design (RBD) consisting of 6 treatments in 5 replications: P0 (vegetable waste liquid organic fertilizer concentration 0 ml/l), P1 (vegetable waste liquid organic fertilizer concentration 100 ml/l), P2 (POC concentration of vegetable waste 200 ml/l), P3 (POC concentration of vegetable waste 300 ml/l), P4 (POC concentration of vegetable waste 400 ml/l), P5 (POC NASA 6 ml/l). The effects of the treatments were analyzed using an F-test at the 5% level, followed by a Duncan Multiple Range Test (DMRT) at the 5% level. The results showed that the treatments had a significant effect on plant gowth and yield. Treatment P4 (POC concentration of vegetable waste 400 ml/l) yielded the highest results for plant height (25.18 cm), stem diameter (5.61 mm), number of leaves (8.68 leaves), root length (14.68 cm), and fresh weight of the plant (33.84 g). Keywords: kailan, liquid organic fertilizer, vegetable waste
Respon Pupuk Kandang Ayam dan Pupuk NPK 20-20-20 Terhadap Pertumbuhan dan Hasil Tanaman Pakcoy (Brassica rapa L.)
Pakcoy (Brassica rapa L.) is a leafy vegetable with high nutritional value widely consumed in Indonesia. However, its productivity in the field is often limited by inadequate macro and micronutrient availability in the soil. Balanced fertilization using both organic and inorganic sources is crucial to support optimal growth and yield. This study aimed to determine the effects of chicken manure and NPK 20-20-20 fertilizer, both individually and in combination, on the growth and yield of pakcoy plants. The research was conducted over two months (June–August) at the experimental field of the University of Community Development using a factorial Randomized Complete Block Design (RCBD) with two factors: chicken manure (0, 1, 2, and 3 kg/plot) and NPK 20-20-20 fertilizer (0, 15, 20, and 25 g/plot), each with three replications. Observed parameters included plant height, number of leaves, shoot fresh weight, and root length. The results showed that chicken manure significantly affected plant height (weeks 1 and 4) and shoot fresh weight. The K2 treatment (2 kg/plot) produced the highest results with a plant height of 41.2 cm and a fresh weight of 118.1 g. NPK fertilizer alone had limited effect, but N1 (15 g/plot) yielded the longest root (28.9 cm) and the highest shoot fresh weight (128.5 g). The interaction between the two fertilizers was significant, with the K2N1 combination producing the highest shoot weight (203.0 g), and K1N1 yielding the longest root (40.1 cm). In conclusion, the combination of 2 kg/plot chicken manure and 15 g/plot NPK fertilizer is the most effective treatment to enhance pakcoy growth and yield. Moderate doses of organic and inorganic fertilizers are proven to support sustainable pakcoy cultivation. Keywords: chicken manure, growth, NPK 20-20-20, pakcoy, yield
Pengaruh Penggunaan Berbagai Media Tanam Pada Proses Pembibitan Durian (Durio zibethinus Murr. )
This study aimed to evaluate the effect of different growing media on the early growth of durian seedlings (Durio zibethinus Murr.) and to determine the most effective medium for nursery production. The experiment was conducted using a Completely Randomized Design (CRD) with four treatments: P0 (topsoil + cow manure), P1 (topsoil + cow manure + rice husk), P2 (topsoil + cow manure + cocopeat), and P3 (topsoil + cow manure + sawdust) at a ratio of 1:1:1. Observed parameters included plant height, number of leaves, stem diameter, leaf width, leaf length, leaf color, and growing media pH. Data were analyzed using analysis of variance (ANOVA) followed by DMRT at a 5% significance level. The results showed that growing media significantly affected leaf length, while plant height, number of leaves, stem diameter, leaf width, leaf color, and media pH were not significantly different among treatments. Treatment P2 produced the longest leaves (13.26 cm) and showed the best overall growth performance. The addition of cocopeat improved moisture retention, aeration, and nutrient absorption efficiency, supporting vegetative growth. Therefore, P2 medium is recommended as the most effective growing medium for durian seedling production. Keywords: durian, growing medium, seedling, vegetative
Pengaruh Kombinasi Jenis Pupuk Terhadap Tanaman Kedelai (Glycine max L. Merrill) Varietas Grobogan
Soybeans (Glycine max L. Merrill) are nicknamed Gold from the soil, which contributes to the provision of nutritious food. Soybeans are the most important staple food crop after rice and corn. The increase in national soybean demand is not matched by an increase in national soybean production. Domestic soybean production is only able to meet around 65.61% of domestic consumption. Efforts to increase soybean production through intensification and extensification of technical efficiency in soybean cultivation, namely organic fertilization. This study aims to obtain the best combination dose of goat manure, formula 100+ biofertilizer and formula 100+ liquid organic fertilizer for the growth and yield of soybean plants. The study was conducted in the village of Telukjambe Timur, Puseurjaya, Karawang Regency. The method used is an Experiment with a single factor Randomized Block Design with 6 treatments and 6 replications, consisting of: P1 (0.15 l/ha liquid organic manure), P2 (0.15 l/ha liquid organic manure + 5 tons/ha goat manure), P3 (0.15 l/ha liquid organic manure + 20 l/ha biological manure), P4 (0.15 l/ha liquid organic manure + 20 l/ha biological manure + 5 tons/ha goat manure), P5 (5 tons/ha goat manure), P6 (20 l/ha biological manure + 5 tons/ha goat manure). so that there are 24 experimental units. The data obtained were analyzed by the F test at a level of 5% with further testing by the Duncan Multiple Range Test (DMRT). The results showed that there was a significant effect of the combination of fertilizer types, namely goat manure + biological manure + liquid organic manure (POC), on the growth and yield of Grobogan variety soybean plants. For parameters such as plant height, number of leaves, root length, total number of pods, number of filled pods, dry weight of 100 seeds, number of seeds per plant, and seed weight per plant, the best treatment was obtained with a combination of Liquid Organic Mature (0.15 l/ha) and Biofertilizer (20 l/ha) (treatment P3). This treatment provided the best vegetative and generative growth results. Keywords: soybean, goat mature, liquid organic mature, biological mature
Pengaruh Media Tanam Berbahan Dasar Cocopeat Pada Pembibitan Kakao (Theobroma cacao L.)
Cocoa (Theobroma cacao L.) is a plantation crop of high economic value that requires high-quality seedlings to support optimal field productivity. One of the main constraints in cocoa nurseries, particularly for the Trinitario variety in Jorong Kampung Juar, Nagari Tanjung, is the use of planting media derived from burned soil, which is generally low in nutrients and may contain potentially toxic compounds. Cocopeat, a by-product of coconut husk processing, has potential as an alternative growing medium due to its physical properties, including high water-holding capacity, improved aeration, and a pH suitable for cocoa growth. This study aimed to evaluate the effects of different cocopeat-based growing media compositions on the growth of cocoa seedlings and to assess their suitability as an alternative nursery medium. The study employed a Completely Randomized Design (CRD) with four treatments and five replications. The treatments consisted of soil and goat manure as the control, and three cocopeat application rates of 450 g, 550 g, and 650 g per polybag. Observed parameters included plant height, number of leaves, stem diameter, growing media temperature, growing media pH, leaf color, and plant survival percentage. Data were analyzed using analysis of variance (ANOVA), and the coefficient of variation was used to evaluate data homogeneity and experimental precision. The results showed that the application of cocopeat at different rates did not significantly affect any of the observed growth parameters of cocoa seedlings. Nevertheless, a positive growth trend was observed in several vegetative parameters in treatments containing cocopeat, particularly in maintaining stable moisture, temperature, and pH of the growing media. The low coefficients of variation across most parameters indicated that the data were homogeneous and the experiment had a high level of reliability. All treatments resulted in a 100% survival rate, indicating that cocopeat-based growing media are safe and suitable for cocoa seedling production. Therefore, cocopeat can be used as an alternative growing medium for cocoa nurseries, although adjustments in composition are necessary to optimize its benefits under local condition. Keywords: cocoa seedlings, cocopeat, cocoa, vegetative
Tanggapan Pertumbuhan dan Hasil Tanaman Bawang Daun (Allium fistulosum L.) terhadap Aplikasi Pupuk Organik Cair Urin Kambing
Scallions are high-value economic crop that contains essential nutrients and minerals that support health. This study aimed to determine the effect of various concentrations of liquid organic fertilizer derived from goat urine on the growth and yield of scallions. The research was conducted in Tongko Village, Baroko Subdistrict, Enrekang Regency, from April to July 2025. The Complete Randomized Block Design (CRBD) Single-Factor method was applied in this study, using five different treatments and six replicates. The concentrations of liquid organic fertilizer tested include 0% (0 ml.l-1), 2.5% (25 ml.l-1), 5% (50 ml.l-1), 7.5% (75 ml.l-1), and 10% (100 ml.l-1). The data obtained were analyzed using analysis of variance, followed by the Least Significant Difference test at α 5% significance level. The results showed that applying liquid organic fertilizer derived from goat urine did not affect scallion plant height and leaf number. However, it substantially impacts the fresh and economic weight of the plants, with a concentration 10% (100 ml.l-1) being the best for enhancing the growth and yield of scallions. Further research is recommended to test higher concentrations to achieve maximum scallion growth and yield under field conditions. Keywords: concentrations, goat urine, liquid organic fertilizer, scallion
Identifikasi dan Analisis Vegetasi Gulma Pada Tipe Agro-Ekosistem Sawah di Desa Mata Air, Kabupaten Kupang
The presence of weed vegetation is one of the main limiting factors in increasing the productivity of paddy fields in the semi-arid region of Kupang Regency. This study aims to identify the species composition and analyse the community structure of weeds in the paddy field agro-ecosystem in Mata Air Village using the Summed Dominance Ratio (SDR) parameter. The study was conducted using a quadrat method with 24 sample plots (0.25 m²) laid out randomly. Data were analysed quantitatively to determine Relative Density (RD), Relative Frequency (RF), and SDR. The results identified three main groups of weeds with varying levels of dominance. Sedges were the most dominant group with the highest SDR value (38.74%), driven by a very high individual density in the field (RD 47.85%). Grasses ranked second (SDR 31.64%), followed by broadleaves with an SDR value of 29.62%. Although they had the lowest dominance, broad-leaved weeds exhibited the most even spatial distribution across the study area (FR 38.89%). The combined dominance of sedges and grasses, which exceeded 70%, indicates that competition for nutrients and space at the study site is heavily influenced by monocotyledonous vegetation. These findings suggest the need for the integration of intensive soil management and appropriate water management as part of an Integrated Weed Management (IWM) strategy in Mata Air Village. Keywords: weeds, vegetation analysis, mata air village, paddy fields, SDR
Respon Pertumbuhan dan Hasil Tanaman Kedelai (Glycine max L.) Varietas Nuansa Sanggabuana Terhadap Pemberian Kombinasi Pupuk Organik Cair Keong Mas dan NPK
Soybean production in Indonesia tends to continue to decline due to land degradation, so a combination of NPK fertilizer and golden snail liquid organic fertilizer is needed to increase soil and soybean plant productivity. Aim of this research is to obtain the highest combination of golden snail liquid organic fertilizer and NPK for the growth of soybean plants. The research was carried out in Pasirawi, Rawamerta, Karawang from June to August 2023. Research method used was an experimental method, with a single factor randomized block design (RAK), consisting of 10 treatments and 3 replications. The combination treatment of NPK fertilizer and golden snail liquid organic fertilizer consisted of A (0ml/L POC + 0kg/ha NPK); B (300ml/L POC + 100kg/ha NPK); C (400ml/L POC + 100kg/ha NPK); D (500ml/L POC + 100kg/ha NPK); E (300ml/L POC + 200kg/ha NPK); F (400ml/L POC + 200kg/ha NPK); G (500ml/L POC + 300kg/ha NPK); H (300ml/L POC + 300kg/ha NPK); I (400ml/L POC + 300kg/ha NPK); J (500ml/L POC + 300kg/ha NPK). Observation data were analyzed using variance analysis and further tested with the Duncan Multiple Range Test (DMRT) at the 5% level. Results showed that Treatment I (400ml/L POC + 300kg/ha NPK) gave the best results for plant heights of 2 wp (18,110 cm) & 4 mst (38,732 cm), number of leaves 2 mst (8,389 pieces) & 4 wp (24,457 pieces), weight wet pods (810 g), dry pod weight (419.107 g), & 100 seed weight (104.104 g). Keywords: soybeans, NPK, gold snail liquid organic fertilizer, nuansa sanggabuana
Pengaruh Penggunaan ZPT Organik dengan Metode Sayatan Celah Terhadap Sambung Pucuk Durian (Durio zibethinus Murr.)
Durian (Durio zibethinus Murr.) is a tropical fruit commodity with high economic value and increasing market demand. However, increasing durian production in Indonesia still faces obstacles, particularly the limited availability of high-quality seedlings. Data from the Sijunjung Regency Central Statistics Agency (2024) shows that durian production fluctuates, namely 31,043 tons in 2022, increasing to 36,107 tons in 2023, then decreasing to 34,177.40 tons in 2024. This condition indicates the need for improvements in cultivation technology, especially in the seedling supply stage. Vegetative propagation through grafting techniques using the cleft grafting method is an effective alternative because it can produce uniform seedlings and accelerate the fruiting period. The success of grafting can be improved through the use of natural organic growth regulators (ZPT), such as coconut water, shallot extract, bean sprout extract, and bamboo shoot extract. This study aims to determine the effect of various types and doses of organic ZPT on the success and growth of durian grafting and to determine the best ZPT. The study used a randomized block design with five treatments and five replicates. The treatments consisted of a control without PGR, 250 ml/plant of red onion extract, 200 ml/plant of bean sprout extract, 250 ml/plant of coconut water, and 250 ml/plant of bamboo shoot extract. The data were analyzed using ANOVA, and if there were significant differences, they were followed up with Duncan's multiple range test at a 5% level. The results showed that all treatments produced a 100% survival rate. Organic PGRs had a significant effect on the number of leaves and upper stem diameter, but no significant effect on the increase in shoot length and lower stem diameter. Bean sprout extract produced the highest number of leaves, while coconut water produced the largest upper stem diameter. Keywords: cuttings, durian, growth regulators, organic plant, seeds, slits
Respon Pemberian POC Jakaba dan POP Feses Ayam Terhadap Pertumbuhan Dan Produksi Tanaman Timun Suri
This study was conducted at Jl. Young Panah Hijau Gg. Mesjid Nurul Hidayah, Lingkungan IV, Marelan District, Medan City, North Sumatra, from March to July 2025. The purpose of the study was to evaluate the response of muskmelon (Cucumis melo L. var. reticulatus Naudin) after application of Jakaba Liquid Organic Fertilizer (POC) and chicken manure Solid Organic Fertilizer (POP). The experiment was used Complete Randomized Block Design (CRBD) with two treatment factors namely; POC Jakaba (J0 = without POC, J1 = 250 ml/polybag, J2 = 500 ml/polybag, J3 = 750 ml/polybag) and chicken manure POP (A0= without POP, A1=500 g/polybag, A2 = 1000 g/polybag, A3 = 1500 g/polybag), with three replications, resulting in a total of 48 plots. The parameters were measured plant length, stem diameter, fruit length and diameter, and fruit weight per sample and per plot. The results were showed that Jakaba POC had a significantly effect on plant length, stem diameter, and fruit weight/plot, respectively. For chicken fesses POP, there was no significantly effect on the parameters of stem diameter, fruit length, and fruit diameter, but a significant effect on the parameters of plant length, fruit weight/sample, and fruit weight/plot. The interaction between Jakaba POC and chicken fesses POP had no significantly effect on all parameters. It can be concluded that the chicken fesses POP was good at a dose of 1000 grams/polybag as compared to other treatments. While Jakaba POC was better at 500 mL/polybag. Keywords: Jakaba POC, chicken manure POP, growth, yield, timun suri
Dinamika Mikroba dan Perubahan NPK Selama Fermentasi POC Kotoran Kambing
The use of livestock waste as liquid organic fertilizer (LOF) is a sustainable solution for reducing dependence on chemical fertilizers and improving environmental quality. Goat manure has potential as a raw material for LOF because it contains the macronutrients nitrogen (N), phosphorus (P), and potassium (K), as well as microorganisms that play a role in the decomposition process. This study aims to analyze the dynamics of the microbial population (bacteria and fungi), changes in NPK nutrient content, and environmental conditions during the fermentation of goat manure POC. The study was conducted over 21 days at the Biology Laboratory of the Department of Agroindustry, University of Padang, using a completely randomized design with eight fermentation time points and three replicates. Microbial populations were analyzed using the Total Plate Count (TPC) method, while NPK content was measured using a Rapid NPK tester. Data were analyzed using ANOVA and the DMRT post-hoc test at the 5% level. The results showed that fermentation duration had a highly significant effect on microbial population and nutrient content. Bacterial population peaked on day 18, while fungal population was highest on day 15 of fermentation. The highest nitrogen content was obtained on day 21, while phosphorus and potassium were highest from days 18 to 21. The pH value remained relatively stable within the neutral range, and the temperature remained within the mesophilic range, which supports microbial activity. It was concluded that fermentation for 18–21 days produced POC with optimal biological and chemical quality and has the potential to be used as an environmentally friendly liquid organic fertilizer. Keywords: liquid organic fertilizer, goat manure, fermentation, microorganisms, NPK
Pengaruh Jarak Tanam dan Pemangkasan Daun Terhadap Peroduktivitas Tanaman Terung Ungu (Solanum melongena L.)
The study used a Factorial Randomized Block Design (RAK) consisting of 2 treatment factors. The first was the effect of planting distance (J) consisting of 3 treatment levels, namely J1 = planting distance 60 x 60 cm, J2 = planting distance 60 x 70 cm, J3 = planting distance 70 x 80 cm. The second was leaf pruning (D) consisting of 4 treatment levels, namely D0 = no pruning, D1 = pruning at 28 DAS, D2 = pruning at 35 DAS, D3 = pruning at 42 DAS. Based on observational results, the influence of planting distance in treatment J2 produced the best plant height, leaf area, and fruit weight per plot with results of 46.31 cm, 85.44 cm², and 2.90 kg, respectively; treatment J3 produced the best stem diameter of 4.63 mm; treatment J1 produced the best number of leaves and fruit per sample with results of 22.33 leaves and 7.83 fruits. Leaf pruning in treatment D2 produced a plant height of 44.30 cm; treatment D3 produced the best stem diameter of 4.63 mm; treatment D1 produced the best number of leaves of 23.11 leaves; treatment D0 produced the best leaf area, number of fruits per sample, and fruit weight per plot with results of 84.88 cm², 8.11 fruits, and 2.80 kg. The interaction effect of planting distance and leaf pruning showed no significant difference in all observed parameters. Keywords: planting distance, pruning, eggplant, productivity
Aplikasi Pupuk Organik Cair (POC) dan Pupuk NPK Terhadap Produksi Kacang Panjang (Vigna sinensis L.)
Long bean is an important vegetable commodity whose production has been continuously declining due to the excessive and prolonged use of inorganic fertilizers. This study aimed to determine the effect of Liquid Organic Fertilizer (LOF) NASA and NPK fertilizer application, as well as their interaction, on the growth and production of long bean (Vigna sinensis L.). The study was conducted at the experimental field of Sei Semayang, Deli Serdang Regency, North Sumatra, at an altitude of ±30 meters above sea level, from September to December 2025. The method used was a Factorial Randomized Block Design with two factors and three replications. The first factor was the concentration of LOF NASA (0, 2, 4, and 6 ml/liter) and the second factor was the dose of NPK fertilizer (0, 200, 300, and 400 kg/ha). The results showed that LOF NASA and NPK fertilizer treatments each had a significant effect on all observed parameters, with a positive linear relationship at each increasing dose. The best LOF NASA concentration was obtained at 6 ml/liter (C3), which produced a pod length of 60.10 cm, pod weight per plant of 321.38 g, number of pods of 12.30 pods, and plot production of 4.65 kg. The best NPK fertilizer dose was obtained at 400 kg/ha (N3), which produced a pod length of 62.29 cm, pod weight per plant of 346.53 g, number of pods of 12.88 pods, and plot production of 4.87 kg. However, the interaction between LOF NASA and NPK fertilizer did not significantly affect all observed parameters. Keywords : long bean, LOF, NPK fertilizer
Perbanyakan Tanaman Penutup Tanah Mucuna bracteata L. Melalui Skarifikasi Benih Secara Mekanis
Mucuna bracteata is a type of legume commonly used as a ground cover plant in oil palm plantations. This plant is useful for reducing weeds, increasing soil fertility, and improving soil structure through nitrogen fixation. However, Mucuna bracteata seeds have a very hard, impermeable shell, which prevents water from entering the embryo and slows down the germination process. The purpose of this study was to examine how mechanical scarification of seeds can improve their germination capacity. Mechanical scarification was carried out by damaging the tip of the seed until the white flesh was visible. Observations were made for 4 weeks after planting and included the percentage of germination, plant vine length, and number of leaves. The results showed that scarification accelerated and increased the seed germination rate by 30%. However, its effectiveness in breaking the dormancy of all seeds was still low, so additional methods or combinations of other treatments are needed to achieve higher germination rates. Keywords: Mucuna Bracteata, Mechanical Scarification, Germination
Pengaruh Pemberian Pupuk Organik Cair dan SP-36 Terhadap Pertumbuhan Bayam Merah (Amaranthus tricolor L.)
This study aims to determine the effect of liquid organic fertilizer (POC) from cow urine and SP-36 fertilizer on the growth and yield of red spinach (Amaranthus tricolor L.). The study used a completely randomized design (CRD) with POC concentration treatments (P0, P1, P2, P3, P4, P5) and SP-36 concentrations (S0, S1, S2, S3, S4, S5). The parameters observed included plant height, number of leaves, leaf width, and root length. The results showed that increasing the concentration of POC from cow urine and SP-36 fertilizer significantly increased all plant growth parameters. POC from cow urine gave better results on shoot growth, while SP-36 tended to be more effective in increasing root length. The highest concentrations (P5 and S5) provided optimal growth results, with plant heights reaching 54.46 cm (POC) and 54.40 cm (SP-36), and dry weight reaching 8.1 g/stem. The conclusion of this study is that both types of fertilizer can be used to increase red spinach productivity, and their combination has the potential to provide a synergistic effect. Keywords: Red spinach, liquid organic fertilizer, cow urine, SP-36, plant growth
Uji Efektifitas Pupuk Organik Dari Limbah Kulit Durian dan Pupuk NPK Terhadap Pertumbuhan Tanaman Jagung Manis (Zea mays saccharata Sturt) di Perkebunan IKDS Tembung
Sweet corn (Zea mays saccharata Sturt) is one of the second largest food crops in Indonesia cultivated after rice. Sweet corn has nutritional content as a staple food substitute for rice. Sweet corn plants require complete nutrients, namely macro and micro nutrients with a balanced composition. Efforts made to increase the production and quality of sweet corn plants are carried out by using durian peel compost and NPK fertilizer. The purpose of this study was to determine the effect of the effectiveness of organic fertilizer from durian peel waste and NPK fertilizer and the interaction between the two treatments on the growth of sweet corn plants (Zea Mays Saccharata Sturt). This study used a factorial completely randomized design consisting of 2 factors. The first factor is durian peel compost (K) consisting of 4 levels and the second factor is: NPK fertilizer 16:16: (N) consisting of 4 levels so that 16 treatment combinations were obtained. Each treatment combination was repeated 3 times so that a total of 48 experimental units. Each plot consists of 4 plants and 2 plants in the field as observation samples, so that the total number of plants is 192 plants. The treatment factors are Durian peel compost fertilizer dosage factor (D) consisting of 4 levels, namely: D0 = Without durian peel compost, D1 = Durian peel compost 1 kg / plot (10 tons / ha), D2 = Durian peel compost 2 kg / plot (20 tons / ha), D3 = Durian peel compost 3 kg / plot (30 tons / ha), NPK 16:16:16 fertilizer dosage factor (N) consists of 4 levels, namely: N0 = Without NPK fertilizer, N1 = NPK 16:16:16 fertilizer 10 g / plot (100 kg / ha), N2 = NPK 16:16:16 fertilizer 15 g / plot (150 kg / ha), N3 = NPK 16:16:16 fertilizer 20 g / plot (200 kg / ha). The results show that the effectiveness of organic fertilizer from durian peel waste on the growth of sweet corn (Zea mays saccharata Sturt) did not significantly affect plant height and leaf number. Keywords: sweet corn, NPK fertilizer, durian peel waste
Karakteristik Sifat Kimia Tanah pada Pertanaman Kakao dengan Tingkat Produktivitas Berbeda di Kabupaten Malaka
Cocoa productivity is influenced by soil fertility, particularly soil chemical properties that play an important role in nutrient availability for plants. This study aimed to analyze the characteristics of several soil chemical properties in cocoa plantations with different productivity levels in Malaka Regency. The research was conducted in high- and low-productivity cocoa blocks through purposive soil sampling. Laboratory analyses were carried out on several soil chemical parameters, including soil pH, organic C, available N, available P, available K, cation exchange capacity (CEC), and electrical conductivity (EC). The results showed that the high-productivity block had higher levels of organic C, nitrate-N (N-NO₃), available K, and CEC compared to the low-productivity block. Available P content in both blocks was classified as low and was suspected to be a limiting factor for cocoa growth. Soil pH values in both blocks were categorized as neutral and remained suitable for cocoa cultivation. Meanwhile, EC values in the low-productivity block were higher than those in the high-productivity block, indicating greater accumulation of soluble salts in the soil. This condition was supported by the presence of salinity symptoms observed in the field, such as drying and death of cocoa plants in the low-productivity block. Based on the findings, it can be concluded that cocoa blocks with high productivity had relatively better soil chemical properties than low-productivity blocks. Differences in soil chemical properties, particularly organic matter content, available N, available K, CEC, and salinity level, were suspected to influence cocoa productivity in Malaka Regency. Keywords: cocoa, soil chemical properties, productivity, salinity, soil fertility
Pengaruh Ukuran Berat Benih dan Perendaman Larutan KNO3 Terhadap Daya Kecambah Kelapa Sawit (Elaeis guineensis Jacq.) Varietas Dyx P Sungai Pancur 1 (DUMPY)
Oil palm is a palm plant that produces edible oil, industrial oil and biodiesel (biofuel). Unfortunately, the productivity of oil palm plantations nationally is still low, especially smallholder plantations managed individually. The level of oil palm production is influenced by various factors, including environmental factors where it grows, the quality of the seeds used and cultivation and management techniques in its cultivation. The purpose of this study was to determine the effect of the weight size of oil palm seeds (Elaeis guineensis Jacq.) and soaking in KNO3 solution and the interaction of the combination between the weight size of seeds and soaking in KNO3 solution on the germination of oil palm plants (Elaeis guineensis Jacq.). This study was conducted in a research area located at the Oil Palm Research Center (PPKS) Sei Aek Pancur Tanjung Morawa Deli Serdang Regency. This research was conducted from April to June 2025. This research was conducted using a Factorial Completely Randomized Design (CRD) consisting of 2 treatment factors, namely the seed weight size factor consisting of 3 levels, namely V1: seed weight size 0≤1 gram, V2: seed weight size 1.1≤2 grams, V3: seed weight size 2.1≤3 grams. The KNO3 Soaking Factor consists of 3 treatment levels, namely P0 = Control (soaking using water for 24 hours), P1 = KNO3 concentration 0.2% + soaking time 12 hours, P2 = KNO3 concentration 0.2% + soaking time 18 hours. The parameters observed in this study were germination rate (%), germination rate index, and dormancy index (%). The effect of soaking in KNO3 solution on the germination of oil palm (Elaeis guineensis Jacq.) plants. The best treatment of several parameters in breaking oil palm seed dormancy was by soaking the seeds in KNO3 concentration of 0.6% for 18 hours. The combined interaction between seed weight size and KNO3 solution soaking on the germination of oil palm (Elaeis guineensis Jacq.) plants had a significant effect. Keywords: Oil Palm, Germination Rate, Variety
Efektivitas Bokashi Eceng Gondok untuk Meningkatkan Produksi Pada Budidaya Tanaman Sawi (Brassica Juncea L.) di Kecamatan Secanggang Kabupaten Langkat Sumatera Utara
This study aimed to analyze the effectiveness of water hyacinth bokashi on the growth and yield of mustard plants (Brassica juncea L.) to increase production in Secanggang District, Langkat Regency, North Sumatra. The research was conducted from March to May 2026 using a non-factorial Randomized Block Design (RBD) with five treatments and five replications. The treatments consisted of 0 Ton/ha (control), 5 ton/ha, 10 tons/ha,15 tons/ha, and 20 tons/ha. The observed parameters included plant height, number of leaves, and fresh weight. Data were analyzed using Analysis of Variance (ANOVA) followed by Duncan Multiple Range Test (DMRT) at a 5% significance level. The results showed that the application of water hyacinth bokashi significantly affected the growth and yield of mustard plants. Treatment 20 tons/ha or 30 g/polybag produced the best results in all observed parameters, with the highest plant height of 33.11 cm, the highest number of leaves of 11.20 leaves, and the highest fresh weight of 184.00 g/plant. Therefore, water hyacinth bokashi has the potential to be an effective and environmentally friendly alternative organic fertilizer for increasing mustard plant production. Keywords: plant biomass, organic bokashi, water hyacinth, vegetative growth, organic fertilizer
Pengaruh Asam Humat dan Pupuk P Terhadap Pertumbuhan Tanaman Kacang Panjang (Vigna sinensis L.)
Long beans (Vigna sinensis L.) are a horticultural commodity that has great potential to be developed in Indonesia because it is in great demand and has a fairly high economic value. The purpose of this research is to 1. determine the effect of humic acid fertilizer and SP-36 fertilizer and the interaction of the two treatments on the growth of long beans (Vigna sinensis L.). This research will be carried out in the research area located at Jalan Gunung Bendahara 10, South Binjai District, Binjai City. This research was conducted in May to June 2025. This research was conducted using a Factorial Randomized Block Design (RAK) with 2 (two) treatment factors, namely factor I, namely humic acid consisting of 3 (two) treatment levels, namely H0: dose 0 L / ha (without humic acid) (Control), H1: dose 30 L / ha (3 ml / plant), H2: dose 60 L / ha (6 ml / plant), Factor II, namely P fertilizer (SP-36) consisting of 3 (three) treatment levels, namely S0: 0 g / plant (Control), S1: 0.6 g / plant, S2: 1.2 g / plant. The parameters observed include plant height and flowering age. The results of the study showed a significant effect on the treatment of humic acid fertilizer on the growth of long bean plants (Vigna sinensis L). There was a significant effect on P fertilizer (SP-36) on the growth of long bean plants (Vigna sinensis L). There was a significant interaction effect between humic acid and P fertilizer (SP-36) treatments on the growth of long beans (Vigna sinensis L.). Keywords: Long beans, SP36 fertilizer, humic acid
Aplikasi Pupuk Organik Cair Rebung Bambu Terhadap Pertumbuhan dan Hasil Tanaman Mentimun (Cucumis sativus L.)
Cucumber is one of the horticultural crops that provides many benefits. One of the effort to improve cucumber growth and yield is through fertilization. Fertilization can be carried out using either inorganic or organic fertilizers. However, the continuous use of inorganic fertilizers has a negative impact on sustainable agriculture. One natural material that can be utilized as an organic fertilizer is bamboo shoots. This study aimed to determine the best concentration of liquid organic fertilizer made from bamboo shoots for the growth and yield of cucumber plants.The research was conducted from June to August 2024 at the UARDS field of the Faculty of Agriculture and Animal Science, Sultan Syarif Kasim State Islamic University, Riau. The study employed a Completely Randomized Design (CRD) with four treatments of bamboo shoot liquid organic fertilizer concentrations, namely M0: control, M1: 25%, M2: 50%, and M3: 75%. The observed parameters included plant height, flowering age, fruit length, fruit diameter, number of fruits per plant, fruit weight per fruit, fruit weight per plant, wet weight, and dry weight. The results showed that the application of bamboo shoot liquid organic fertilizer had a highly significant effect plant height, flowering age, fruit length, fruit diameter, number of fruits per plant, fruit weight per fruit, fruit weight per plant, wet weight, and dry weight. Liquid organic fertilizer with a concentration of 75% is the best concentration that can provide results comparable to NPK in the parameters of fruit length, fruit weight per fruit and fruit weight per plant of cucumber.
Respon Pertumbuhan Tanaman Tomat (Solanum lycopersicum) dengan Pemberian Pupuk Hayati Bioneensis dan Pupuk Tunggal N,P,K di Kecamatan Medan Johor
Tomato plants face various challenges, including decreased soil fertility, pest and disease attacks, and the significant impact of climate change on plant productivity. The use of biofertilizers is very relevant to increase tomato growth. The aim of this study was to determine the effect of the dosage of Bioneensis Biofertilizer and Single Fertilizer N, P, K as well as the interaction between the dosage of Bioneensis Biofertilizer and Single Fertilizer NPK on tomato plant growth. This study was conducted on Jl. A.H Nasution, Medan Johor District, Medan City. The research period starts from March to July 2025. This research uses a Factorial Randomized Block Design consisting of 2 factors, namely the first factor is the dose of Bioneensis Biofertilizer (B) where B1 = 10 g / plant, B2 = 20 g / plant, B3 = 30 g / plant, and the second factor is Single Fertilizer N, P, K (P), where P1 = Urea 50 kg / ha (9.6 g / plot), SP36 37.5 kg / ha (7.2 g / plot), KCl 25 kg / ha (4.8 g / plot), P2 = Urea 100 kg / ha (19.24 g / plot), SP36 75 kg / ha (14.44 g / plot), KCl 50 kg / ha (9.6 g / plot), P3 = Urea 200 kg / ha (38.48 g / plot), SP36 150 kg / ha (28.88 g/plot), KCl 100 kg/ha (19.24 g/plot). The results of the study showed that the use of Bioneensis Biofertilizer doses had no significant effect on plant height and number of leaves, with the best treatment being B2 (Bioneensis Biofertilizer 20 g/plant). The use of Single Fertilizer N, P, K (P) had no significant effect on plant height, number of leaves with the best treatment being P2 (Urea 100 kg/ha (19.24 g/plot), SP36 75 kg/ha (14.44 g/plot), KCl 50 kg/ha (9.6 g/plot). The interaction between Bioneensis Biofertilizer (B) and Single Fertilizer N, P, K had no significant effect on plant height, number of leaves with the best treatment being B2P3 Bionensis Biofertilizer 20 g/plant and Single Fertilizer N, P, K.
Optimasi Pertumbuhan dan Hasil Dua Varietas Bawang Merah Asal True Shallot Seed (TSS) Terhadap Aplikasi Pupuk NPK dan Magnesium
The low productivity of shallots in Indonesia is mainly caused by the use of low-quality vegetative seeds and improper fertilization. The use of True Shallot Seed (TSS) combined with balanced NPK and magnesium fertilization is expected to increase shallot production. This study aimed to optimize the growth and yield of two TSS shallot varieties (Sanren F-1 and Lokananta) under various doses of NPK fertilizer (0, 83.3, 166.6, and 250 kg/ha) and magnesium fertilizer (0, 125, and 250 kg MgO/ha). The research was conducted from February to May 2021 at the experimental field of Universitas Muhammadiyah Sumatera Utara, Medan, at 25 meters above sea level. A factorial randomized complete block design with three factors and two replications was used. The results showed that the Sanren F-1 variety produced better number of leaves (7.0 leaves), number of bulbs per clump (2.7 bulbs), and fresh weight of bulbs per plot (812 g) compared to Lokananta, while the Lokananta variety produced larger bulb diameter (33.8 mm). Application of NPK fertilizer at 250 kg/ha significantly increased plant height, number of leaves, and harvest index. The combination of Sanren F-1 variety without magnesium and 250 kg NPK/ha produced the highest fresh weight of bulbs per plot (1027 g). The interaction between variety, NPK, and magnesium significantly affected all observed growth and yield parameters. The Sanren F-1 variety with 250 kg NPK/ha without magnesium is recommended to increase shallot productivity in lowlands. Keywords: lokananta, magnesium, NPK, sanren F-1, shallot, true shallot seed