Composition Of Planting Media Research Articles

Effect of Planting Media Composition and Consentration of Vegetable Waste Liquid Organic Fertilizer on the Growth of Oil Palm Seedlings (Elaeis Guineensis Jacq) in the Main Nursery

The research was carried out at Research and Educational Garden of the STIPER Agricultural Institute which is located in Maguwoharjo, Sleman, Yogyakarta Special Region, Indonesia. This experiment was conducted from April – July 2023. This research design used a factorial experiment arranged in a completely randomized design (CRD) consisting of two factors. The first factor was the composition of the planting medium with 3 kinds, namely: M1 = top soil + cocopeat (1:1); M2 = top soil + husk charcoal (1:1) and M3 = top soil + cocopeat + husk charcoal (1:1:1 ). The second factor was the LOF of vegetable waste which consists of 4 kinds, namely: P0 = without LOF (Liquid Organic Fertilizer) of vegetable waste (control); P1 = 50 ml / plant; P2 = 80 ml /plant and P3 = 100 ml / plant. The treatment combinations were 3 x 4 = 12 with 4 replications to obtain 48 plants. Data observations were analyzed by using analysis of variance (ANOVA) and if there were significantly differences, it was continued analyzed with the Duncan's Multiple Range Test at 5%. There is an interaction between the composition of the planting medium and the LOF of vegetable waste, on the fresh weight of the crown and the fresh weight of the roots. The best treatment combination for crown fresh weight and root fresh weight is top soil + husk charcoal with vegetable waste LOF 100 ml/plant. The composition of the planting media has an influence on planting height, number of leaves, fresh weight of the crown and fresh weight of the roots. Top soil + charcoal husk planting media is the best. The LOF concentration of vegetable waste has an effect on stem diameter, fresh weight of the crown and the roots. Giving vegetable waste LOF of 50 ml/plant and so on up to 100 ml/plant shows better growth.

Pertumbuhan dan Produksi Tanaman Sawi Pakcoy (Brassica rapa L.) Akibat Dibudidayakan pada Berbagai Komposisi Media Tanam dan Konsentrasi Pupuk Organik Cair dengan Sistem Vertikultur

Pakcoy (Brassica rapa L.) is one of the important and popular vegetable crops in Indonesia. City development and massive urbanization have resulted in the shrinking of agricultural land in urban areas. Home gardens have great potential if managed optimally and planned. Therefore, the concept of urban farming with the vertical farming method can be a solution. This study aimed to determine the optimal composition of planting media and liquid organic fertilizer (LOF) concentration for the growth and production of pakcoy plants. This study used a completely randomized design (CRD) with two factors. The first factor was the composition of the planting medium, which consisted of three levels: soil, compost, and goat manure with a ratio of 1:1:1, 1:1:2, and 1:2:1. The second factor was the concentration of LOF and urea, which consisted of four levels: 1 gram urea, 2 ml/liter water, 4 ml/liter water, and 6 ml/liter water. The results of the study showed that the combination of planting medium composition and LOF concentration had an effect on all observation parameters. The combination of planting medium composition 1:1:2 and LOF concentration of 4 ml/liter water produced the best results for all observation parameters, namely plant height, number of leaves, total fresh weight, fresh head weight, fresh root weight, and plant dry weight. Key words : Pakcoy mustard, verticulture, media composition, concentration, LOF

The effect of planting media composition and liquid fertilizer dosage on sand media on the growth of mustard plants (Brassica juncea L.)

The aim of this study is to analyze the potential of sand as a planting medium with the addition of cocopeat, obtain the dose of liquid organic fertilizer for sand media, and find the suitable combination of cocopeat for sand media. The method used is a Complete Randomized Design (CRD) Factorial with 2 factors. The first factor is the combination of planting media (sand and cocopeat) and the second factor is the dose of liquid organic fertilizer. The first factor consists of 3 levels: M1 (sand and cocopeat), M2 (sand and cocopeat mixed), and M3 (cocopeat and sand). Each planting medium has a height of 11 cm. The second factor has 3 levels: P1 (LOF 10 ml/l), P2 (LOF 20 ml/l), and P3 (LOF 30 ml/l). The initial stages carried out in this research include preparing the planting media, seed sowing (for approximately ±16 days), transplanting, and maintenance (watering and fertilization). Observations include monitoring every 3 days (plant height, number of leaves, and leaf width) and final observations (total weight of fresh mustard plants, weight of upper and lower mustard plant parts). The planting media (sand, cocopeat) influenced all parameters. The optimum dose of liquid organic fertilizer is a dose of 30 ml/liter. The most optimal interaction of planting media factors with the dose of liquid organic fertilizer is sand media, cocopeat, and a dose of 30 ml (M1P3) with an average total fresh weight of 4.14 grams. Keywords: Cocopeat, LOF, Planting media, Sand.

The Effect of Different Ratio Combinations of Rice Husk Charcoal: Soil Media and Different NPK Fertilizer Rates on Growth and Fruit Yield of Okra (Abelmoschus esculentus L. Moench)

Okra plant is a vegetable plant that contains many vitamins and minerals that are very good for health. Increased production of okra plants can be done by setting the composition of the media and the provision of NPK fertilizer. The purpose of this study is to determine the influence of the composition of charcoal husk planting media and NPK fertilizer is appropriate for the growth and yield of okra plants. The experiment was carried out in Air Tawar Barat sub-district, North Padang sub-district, Padang City from September to December 2019. This study used a Complete Randomized Design (CRD) factorial with 2 factors. The first factor with the composition of charcoal planting media husks banding soil 0:1, 1;1, 1;2 and 1:3 . and the second factor with NPK fertilizer doses 400kg/ha, 500kg/ha and 600kg/ha repeated 4 times. The observation data is analyzed with the F test at a 5% level, if the F count is greater than the F table then continue with the Duncan New Multiple Range Test (DNMRT) at a real level of 5%. The results of the study showed there is an interaction between the administration of the composition of the planting media of charcoal husks and soil 1:2 and the administration of NPK fertilizer dose 3.0g / polybag to the height of plants, as well as the provision of the composition of planting media affects the lifespan of flowers, the number of flowers, the number of fruit, the length of fruit, the diameter of the fruit and the total weight of the fruit.

The effect of coffee grounds compost and planting media on the growth and yield of kailan plants (Brassica oleracea L.)

The research aimed to determine the effect of composting from coffee waste and planting media composition on the growth and yield of the kailan plant (Brassica oleracea L.). This research was conducted from June until September 2023 in Pagenjahan Village, Kronjo District, Tangerang Banten. The method used a Randomized Completely Block Design (RCBD) as factorial with two factors and analyzed using SPSS. The first factor was the Compost from Coffee Waste (K) which consisted of four levels namely; 0 g Coffee Waste (K1), 10 g Coffee Waste (K2), 20 g Coffee Waste (K3), and 30 g Coffee Waste (K3). The second factor was the Planting Media Composition (M) which consisted of three levels namely; Topsoil Planting Media (M1), Topsoil Planting Media + Rice Husk Charcoal 1:1 (M2), Topsoil Planting Media + Cocopeat 1:1 (M3). The results showed that compost from coffee waste with 20 g dose (K2) had the best effect on the number of leaves at 14 DAP (Days After Planting), leaf area, total fresh weight, fresh weight consumption, and dry weight parameters. Planting media composition with Topsoil Planting Media + Cocopeat 1:1 (M3) had the best effect on the leaf area parameter. There was an interaction between compost from coffee waste and planting media composition on plant height at 14 DAP and 28 DAP. Nasution (2014), coffee waste influences the growth and yield of long bean plants (Vigna sinensis L.) and the best concentration is 20 grams.

Optimizing The Growth of Palm Palm Seedlings by Providing Several Types of Market Waste Fertilizer and Planting Media

Oil palm is a plant that holds a significant position in the agricultural and horticultural industries. The objective of this study was to examine the correlation between the composition of the planting medium and the utilization of commercial fertilizer waste on the growth of oil palm in nurseries. Additionally, the study aimed to determine the impact of different waste fertilizers on the market and the composition of the growing media for oil palm trees in the nursery. The research was conducted at the Education and Research Garden (KP2) in Wedomartani Village, Depok District, Sleman Regency, Special Region of Yogyakarta. The research site is at an altitude of 118 meters above sea level, and the study was conducted from March to June 2023. A factorial randomized design (CRD), consisting of two factors, was employed for this study. The first factor involved market waste, which was categorized into three levels: fish waste (70g), vegetable waste (70g), and fruit fertilizer (70g). The second factor focused on the composition of the planting media, which also had three levels: latosol 100g: beach sand 1900g, latosol 150g: beach sand 1850g, and latosol 200g: beach sand 1800g. The study included five repetitions, resulting in a total of 45 plants. The research data were analyzed using analysis of variance (ANOVA) at a significance level of 5%. The study's results revealed an interaction between the combination of market waste fertilizer and the composition of the oil palm planting media in the pre-nursery stage. Significant interactions and effects were observed between the combinations of fertilizer market waste and the composition of the growing media on leaf area and soil pH. Furthermore, the market waste fertilizer significantly impacted the number of leaves, stem diameter, shoot fresh weight, shoot dry weight, plant fresh weight, and plant dry weight. Additionally, the composition of the media had a significant influence on stem diameter and soil pH.

Physiological Response of Three Melon Varieties Applied to Trichokompos Planting Media and Various Concentrations of Liquid Organic Fertilizer

The aim of this research is to determine the effect of providing trichocompost planting media composition, varieties and various concentrations of liquid organic fertilizer on the physiology of melon plants. This experiment used a separate plot design in groups, the Main Plot was the planting medium (m) which consisted of 3 planting media compositions, m1: Soil Composition: Trichokompos = 1:1, m2 : Soil Composition : Trichokompos = 1:2, m3: Soil Composition : Trichokompos = 2:1 and Subplots are 3 types of melon varieties (v), namely: v1 = Glamor F1, v2 = Rio F, v3 = Noni F1, and Children's Plots are the concentration of eco farming (k), namely: k0 = Without eco farming (control), k1 = Eco farming 5 ml/ liter of water, k3 = Eco farming 10 ml/ liter of water. The results of this research indicate that the composition of 2 soil planting media: 1 trichocompost, Rio F1 variety and a liquid organic fertilizer concentration of 1 ml/liter of water is recommended to improve the physiological phase of melon plants.

EFFECTIVENESS PRUNING AND PLANTING MEDIA ON THE MORPHOLOGY AND RESULTS OF FLOATING RED CHILIES

Horticultural commodities hold significant economic potential in Indonesia, particularly red chilies, which serve various purposes such as a spicy,traditional spicy, and industrial raw material. This research aims to assess the impact of shoot pruning and planting media composition on the morphology and yield of red chili plants. The study employed a Randomized Factorial Group Desugn (RAKF) with two main treatments : shoot pruning and planting medium composition. Results indicate that pruning shoots at 35 days after planting (P4) enhances the cultivation of red chili plants, as evidenced by improved plant height, earlier flowering, and increased root length. Furthermore, a planting medium composed of soil, cow dung compost, and 2:1:1 husk charcoal (M4) proves to be more beneficial for red chili yield, demonstrated by higher plant height, stem diameter, and root length.

Okra Plant Growth Characteristics (Abelmoschus esculentus L. Moench) with Different Growing Media and Watering Intervals

The composition of planting media and the right watering interval to obtain the best characteristics of okra plants need to be obtained. This study aims to obtain the growth and production characteristics of okra plants on the use of several compositions of planting media (topsoil; top soil and husk charcoal; topsoil and chicken manure; topsoil and vermicompost) with watering intervals (1 day; 3 days and 5 days). Using a Randomized Complete Block Design with 3 repeats. Held in Medan with an altitude of ± 25 meters above sea level from March to June 2021. The results showed the best characteristics of okra plants, both growth and production were obtained in the use of top soil plus chicken manure media (9: 1). The best plant growth characteristics are also obtained at watering intervals once a day.

The effect of PGR red onion extract on the growth and yield of green mustard plants (Brassica juncea L.)

Mustard plants are green plants that can be cultivated easily in various climatic conditions and can be consumed as a companion to cooking. In addition, mustard plants have enough content to meet the human body's needs. Giving a combination of PGR concentration of red onion extract and the right combination of media composition can affect mustard plants' growth and propagation system. This study aims to determine the effect of PGR red onion extract and the best composition of planting media, as well as to know whether there is an interaction between PGR and the composition of planting media regarding the growth and production of mustard plants. Sample selection is carried out using random sampling techniques in each population. The study was conducted in July-August 2023 in the Pasuruan City area using the 2-factor RAK (Group Random Design) research method. The first factor is the concentration of PGR, which consists of control (T0), concentration of 10% (T1), concentration of 20% (T2), and concentration of 30% (T3). The second factor is the composition of the planting medium with a ratio of soil, husk charcoal, and manure, namely (1: 2: 1) and (1: 1: 2). The results showed that the PGR factor of red onion extract with a concentration of 30% had a very real influence and gave the best results on the parameters of plant height, leaf width, and wet biomass of mustard plants. Planting media factors significantly affect and provide the best results in 1: 1: 2 treatment regarding plant height parameters at age 35-42 HST and wet biomass of mustard plants. The interaction between PGR and planting media has a real effect on the wet biomass of plants but does not have a real effect on plant height and leaf width of mustard plants.

Growth Response of Antanan (Centella asiatica L.) to Dosage of Chicken Manure And Planting Media Composition

Antanan (Centella asiatica L.) is a plant that has high nutritional content and active compounds that are beneficial for health. This research aims to determine the effect of doses of chicken manure and planting media on the growth and production of antanan. The research used a factorial completely randomized design (CRD). The first factor is the composition of the planting medium which consists of four levels, namely: M1 (100% soil = 980g), M2 (50% soil = 490g, 50% husk charcoal = 125g), M3 (75% soil = 735g, 25% husk charcoal = 62 g), M4, (25% soil = 245g, 75% husk charcoal = 187g). The second factor is the dose of chicken manure consisting of five levels, namely: P2 (100% chicken manure = 133g), P4 (75% chicken manure = 100g), P6 (50% chicken manure = 67g), P8 (25% chicken manure = 33g), P10 (15% chicken manure = 20g). The results of the research showed that the dose of chicken manure and the composition of the planting media had a significant effect on the growth and production of antanan plants. A dose of 100% chicken manure resulted in better growth in leaf area, number of leaves, dry weight and fresh weight of the crown, dry weight and fresh weight of plant stover, as well as root dry weight compared to other treatments. In the mixed planting media composition treatment of 75% soil + 25% husk charcoal, the value of the stolon length of antanan plants was better compared to other media compositions, while for the root length variable the best value was shown in the planting media composition of 25% soil + 75% husk charcoal.

Growth and Yield of Indoor-Cultivated Mustard Microgreens against the Duration of LED Irradiation and Variations in Planting Media

The limitations of agricultural land currently encourage cultivation activities to be carried out with the use of limited space such as indoor cultivation by utilizing irradiation techniques and the use of varied planting media. This study aimed to evaluate the growth and yield of indoor-cultivated mustard microgreens to the irradiation duration and the composition of varied planting media. This study used a split plot design with the treatment of LED irradiation duration of 0, 10, and 20 hours/day, and the variations of planting media, 100% soil, 100% compost, addition of 50% compost and cocopeat, and a combination of compost and cocopeat planting. The study results showed that the irradiation only affected the plant height in the both planting periods. The treatment of the composition of the planting media had significant effect on all variables observed in the two planting periods, while the interaction had a very significant effect on the plant height on 1st planting period and root length on 2nd planting period. The treatment of 50% soil + 50% compost on LED 10 hours/day had the highest yield of fresh weight in two planting periods. The use of 100% soil media inhibited the growth of mustard microgreens, while the irradiation of 0 hours/day in all planting media treatments showed the symptoms of etioliation. So, the treatment of 10 hours/day irradiation with the addition of 50% compost is able to provide the best results in quality and quantity against the pH value and the growth and yield of mustard microgreens.

Effect of planting media composition and watering time interval on Andrographis paniculata Ness growth

Sambiloto (Andrographis paniculata Ness.) contains andrographolide which can increase the body’s immune system. The cultivation efforts for this commodity are still low, even though demand is rising. The current production of sambiloto is only obtained from nature or small-scale cultivation; this will lead to a decrease in availability and germplasm. This study aimed to examine the role of planting media composition and watering time interval on the growth of Sambiloto. This study used a factorial complete randomized design with two treatments. The first factor is the composition of the planting medium. The second factor is the watering interval treatment. The results showed that there was no interaction between the composition of the growing media and the watering time interval. Soil media and vermicompost gave the best results on plant height, number of leaves, number of primary branches, fresh weight of plants, and andrographolide content. Watering every 3 and 4 days had the same effect on the growth of sambiloto. Soil media and vermicompost fertilizer produced the highest andrographolide (8.03%).

Perbandingan Pertumbuhan Mucuna bracteata Pada Berbagai Macam Pupuk dan Komposisi Media Tanam

The research was carried out at the Sungai Bungur Estate Plantation (SBGE), PT. Prisma Cipta Mandiri, South Sumatra Region 2, PSM 2 located in Cempaka Sari Village, East Kikim, Lahat Regency, South Sumatra. This research was conducted from March 2023 - April 2023. The research method used to analyze the results of this research was a 2-factor Completely Randomized Design (CRD). The first factor is the type of fertilizer with 3 levels: urea 5 g/polybag, rock phosphate (RP) 50 g/polybag, NPKMg 5 g/polybag. The second factor is the composition of the planting medium with 3 levels: top soil, top soil: 1:1 manure, and top soil: 2:1 manure. Observational data Ade analyzed Alt variance at the 5% level. To find out the differences betwween treatments the Duncan’s Multiple Range Test bas continued St 5% level. The parameters observed were the increase in seedling height, number of leaves, stem diameter, root length, root volume, shoot fresh weight, shoot dry weight, root fresh weight, root dry weight. The results of the analysis show that the combination of applying NPKMg fertilizer with the composition of top soil planting media: manure 2:1 shows that there is a real interaction on the parameters of shoot dry weight, root fresh weight and root dry weight.

PENGARUH KOMPOSISI MEDIA TANAM DAN DOSIS PUPUK ORGANIK CAIR NASA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TERONG (Solanum melongena L.) VARIETAS YUVITA F1

The aim of this research is to determine the effect of the interaction between planting media composition and dosage of Nasa liquid organic fertilizer on the growth and yield of eggplant (Solanum melongena L) var. YuvitaF1. The research was carried out in Dukuh Jlimut, Plosokerep Village, Sananwetan District, Blitar City with an altitude of 150-200 in March – June 2023. The research used a 2 factorial Randomized Block Design. Factor I is the composition of the planting medium (M) which consists of 3 levels, namely M1: soil: Goat kohe fertilizer (5:1), M2: Soil: Rice husks: Goat kohe (3:2:1), M3: Soil: Cocopeat : Kohe Goat (3:2:1). Factor II is the dose of Nasa POC fertilizer (P) which consists of 4 levels, namely P1 = 0 ml/polybag (without POC fertilizer), P2: 3 ml/polybag, P3: 6 ml/polybag and P4: 9 ml/polybag . The experiment was repeated 3 times so there were 36 experimental units. The variables observed were plant height (cm), number of fruit and fruit weight at harvest (grams). The average observation results were analyzed using a variance test (α = 5%) and followed by a 5% Honestly Significant Difference Test (BNJ). The research results showed that there was a real interaction between the composition of the planting medium (M) and the Nasa POC dose (P) on the variables of plant height, number of fruit and fruit weight of eggplant plants. The best results were obtained in the M1 planting media composition treatment (soil: goat kohe with a ratio of 5:1) and a Nasa POC dose of 6 ml/polybag (M1P3) for these 3 variables.

Pengaruh Lama Perendaman Benih dalam Larutan CaCO3 terhadap Pertumbuhan Bibit Kakao (Theobroma cacao L.) pada Media Tanaman yang Berbeda

The presence of pulp in cocoa seeds is known to inhibit seed germination and seedling growth. The conventional method of removing pulp from cocoa seeds is done mechanically by rubbing the seeds with rubbing ash. Conventional pulp removal has disadvantages, such as being less practical and potentially damaging the seed surface. Therefore, it is necessary to try chemically removing the pulp from cocoa seeds by soaking the seeds in a lime solution (CaCO3). This study aims to determine the effect of the duration of cocoa seed soaking in CaCO3 solution and different planting media compositions on seedling growth. The research was conducted from September to December 2021 at a plastic house in Labuhan Dalam Village, Tanjung Senang District, Bandar Lampung, and the Seed Laboratory, Faculty of Agriculture, University of Lampung, Gedong Meneng, Bandar Lampung. The study used a Completely Randomized Design (CRD) arranged in a factorial manner. The first factor was the duration of cocoa seed soaking in CaCO3 solution, consisting of no soaking, soaking for 30, 60, 120, and 240 minutes. The second factor was the planting media composition, consisting of a mixture of rice husk charcoal + manure, sand + manure, and sand + rice husk charcoal + manure. Each treatment combination was replicated three times, resulting in 45 experimental units. The observation data were analyzed using analysis of variance, and the mean differences were tested using the Least Significant Difference (LSD) test at the 5% level. The results of the study showed that the duration of cocoa seed soaking in CaCO3 solution had no effect on cocoa seedling growth. The planting media composition of sand + rice husk charcoal + manure had a significant effect on the best cocoa seedling growth compared to the planting media compositions of rice husk charcoal + manure and sand + manure. Soaking cocoa seeds in CaCO3 solution had no effect on cocoa seedling growth in different planting media. Keywords : Cocoa seeds, pulp, CaCO3, soaking, planting media

Effect of Different Types of Plant Media Composition on Growth And Physiology of Tomato

The study aims to determine the effect of several planting media on the growth and physiology of tomato plant seedlings except for soil. This research was conducted from March to May 2021 at the Greenhouse and Laboratory of Agronomy and Horticulture, Faculty of Agriculture, Jenderal Sudirman University, Purwokerto. The research method was the Completely Randomized Block Design (CRBD) with one factor and three replicated designs. The data obtained were analyzed using the F test with a 5% level, followed by Duncan's Multiple Range Test (DMRT) with a 5% level. The result shows that the planting medium of husk ash and compost (1:1) gave the best effect on average several observation parameters on plant height 25.17 cm, number of leaves 25 strands, leaf area 12.75 cm2, fresh crown weight 6.55 g, dry crown weight 1.32 g, root length 17.92 cm, fresh root weight 0.86 g, dry root weight 0.286 cm. While, the average relative growth rate of 0.341 g/day, and the net assimilation rate was 0.036 g/cm2/day. Other results showed that the composition of the planting media which includes a combination of sand, cocopeat, burnt husks, husk ash, and compost has an influence on the growth and physiology of seedlings but does not increase the chlorophyll content and greenness of the leaves of tomato plant seeds.

Pengaruh Komposisi Media Tanam dan Dosis Pupuk Nitrogen Terhadap Pertumbuhan Tanaman Bit Merah (Beta vulgaris L.)

Red beet (Beta vulgaris L.) is a plant with low productivity, so it is necessary to increase productivity by optimally cultivating plants. This study aims to examine the composition of the planting medium and the right dose of nitrogen fertilizer to increase the growth and yield of red beet plants which was carried out from March to June 2022 in Sengkrakan Hamlet, Bedali, Lawang District, Malang Regency, East Java. This study was designed using a factorial randomized block design (RAKF) with the first factor being the composition of the growing media consisting of three levels, namely, soil, soil and compost, soil and cow manure. The second factor is the dose of nitrogen fertilizer which consists of four levels, namely, 50 kg N/ha, 75 kg N/ha, 100 kg N/ha and 125 kg N/ha. The analysis used in this study is analysis of variance followed by the BNJ test at 5% level with the help of computer programs MS. Excel and SPSS. Combination treatment of soil planting media composition and cow manure with a dose of nitrogen fertilizer 50 kg N/ha can increase the height of red beet plants aged 35, 42, 63 and 70 days after planting, increase the number of leaves of red beet plants aged 14 and 28 days after planting and increase dry weight. red beet plant.

Growth and Yield of Spinach (Amaranthus tricolor L.) Using Various Compositions of Planting Media

Spinach was a vegetable that was rich in nutrients and has many health benefits. The high level of public consumption of spinach plants in line with population growth, it was necessary to increase production by using organic fertilizers. This research aimed to determine the effects of the composition of the growing media among soil, chicken manure, and oil palm empty fruit bunches fertilizer on the growth and yield of spinach. The research used a completely randomized design (CRD) with 6 treatments repeated three times and each treatment unit consisted of 5 plants so that the total number of all plants was 90 plants. The results of the analysis of diversity showed that the treatment of chicken manure and oil palm empty fruit bunches fertilizer had a very significant effect on the plant height, leaf area, plant fresh weight, crown fresh weight, root fresh weight and plant dry weight. The provision of chicken manure and oil palm empty fruit bunches fertilizer had a significant effect on the number of leaves, but had no significant effect on the level of greenness of the leaves and the root shoot ratio. The results of the study showed that the soil treatment: chicken manure: oil palm empty fruit bunches fertilizer (1:2:2) provided the best results on the variables of plant height, number of leaves, leaf area, plant fresh weight, crown fresh weight, root fresh weight, and plant dry weight. The soil composition : chicken manure : oil palm empty fruit bunches fertilizer (1:2:2) was the best combination of planting media for the spinach growth and yield. Spinach cultivation using the composition of soil planting media, chicken manure, oil palm empty fruit bunches (1:2:2) could increase crop yields.

Improvement of Falcataria moluccana Root Growth by Giving Empty Palm Oil Fruit Bunches (EFB) Biochar in Growing Media

Sengon (Falcataria moluccana) is a fast-growing species widely planted in Industrial Plantation Forests (IPF/HTI) and has high economic value. The provision of planting material must be well prepared and planned to get the appropriate nursery planting media composition. The Empty Palm Oil Bunches (EFB) biochar application improves soil's chemical and physical properties to provide nutrients for plants. This study aims to determine the effect of the application of EFB biochar on the growth of sengon roots. The experimental design was completely randomized (CRD) by applying four treatment levels and 20 repetitions. The treatments were (A) 100% soil (control), (B) 5% EFB biochar, (C) 10% EFB biochar, and (D) 15% EFB biochar. The data were then analyzed by analysis of variance to see the effect of the treatment on the observed root growth parameters, followed by the 5% Least Significant Difference (LSD) further test to determine differences between treatments. The parameters observed were root length, root volume, root wet weight, and root dry weight. The result showed that the application of EFB biochar increased the growth of sengon roots compared to the control. The greater the dose of the addition of EFB biochar given to the growing media, the more it showed a positive response in improving the growth of sengon roots. In this study, the 15% dose showed the best results compared to other treatments.