Concentration Of Liquid Organic Fertilizer 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 Moringa Leaf (Moringa oleifera L.) Liquid Organic Fertilizer with Different Concentrations on the Growth of Beans (Phaseolus vulgaris L.)

One of the efforts to increase the production of chickpea plants to meet market needs is to optimally utilize the waste of Moringa leaves by converting Moringa leaves into liquid organic fertilizer so that it is easier and more practical to apply and easily absorbed by plants. Liquid organic fertilizer plays a role in improving the physical, chemical and biological properties of the soil, which can increase the production of upright bean plants. This study aims to determine the effect of liquid organic fertilizer (POC) of Moringa leaves with different concentrations and to determine the most effective concentration of liquid organic fertilizer (POC) on the growth of green beans (Phaseolus vulgaris L.). The method used is an experimental method with a completely randomized design (CRD). The treatment consisted of a concentration of 16% chicken manure (as a control), POC concentrations of 60%, 65%, 70%, 75% and 80%. The results showed that there was an effect of different concentrations of liquid organic fertilizer (POC) from Moringa oleifera L. on the growth of plant height, number of leaves and wet weight in bean plants (Phaseolus vulgaris L.). The most effective concentration of liquid organic fertilizer (POC) from Moringa leaves is at a concentration of 80% with an average plant height of 41.2 cm, an average number of leaves of 15.25 leaves and an average wet weight of 3.98 grams. number of leaves and fresh weight on chickpea plants (Phaseolus vulgaris L.). The most effective concentration of liquid organic fertilizer (POC) from Moringa leaves is at a concentration of 80% with an average plant height of 41.2 cm, an average number of leaves of 15.25 leaves and an average wet weight of 3.98 grams. number of leaves and fresh weight on chickpea plants (Phaseolus vulgaris L.). The most effective concentration of liquid organic fertilizer (POC) from Moringa leaves is at a concentration of 80% with an average plant height of 41.2 cm, an average number of leaves of 15.25 leaves and an average wet weight of 3.98 grams.

OPTIMALISASI KONSENTRASI PUPUK ORGANIK CAIR BIOGUSUAN TERHADAP RESPON PERTUMBUHAN VEGETATIF TANAMAN SAWI HIJAU (Brassica juncea L.)

Liquid organic fertilizer is a complete fertilizer because it contains macro and micro elements. The purpose of this study was to determine whether there was an influence or concentration of Bio GuSuan liquid organic fertilizer on the vegetative growth response of mustard greens (Brassica juncea L.). This research is an experimental research. The independent variables is the concentration of liquid organic fertilizer, namely the concentration of 1%; 2%;3%;4%; 5%, and control (0%). Data analysis used statistical analysis with one way analysis of variance (ANOVA) test with a significance level of 5%. Based on the results of data analysis, it can be concluded: (1) There is an effect of Bio GuSuan liquid organic fertilizer on the vegetative growth of mustard greens (Brassica juncea L), (2) Bio GuSuan liquid organic fertilizer with a concentration of 5% in treatment (T5) is the most optimal concentration for the vegetative growth of mustard greens (Brassica juncea L). Leaf area is 5.2 and the number of leaves is 3,800. Based on the F table value with a significance level of 5%, (the sum of inter =3 and the sum of inner =20), the H0 rejection limit is 3.10.

The Availability of Soil N, P, K, and Mustard Yield after the Application of Liquid Organic Fertilizer from Household Waste in Ultisols

Ultisols are one of the dominant soil orders in Indonesia, accounting for approximately 25% of the total land area. The main problem of this soil is high aluminum (Al) saturation with low pH and plant nutrients. The study was intended to determine the effect of liquid organic fertilizer (LOF) from household waste on the availability of N, P, K, and mustard yield in Ultisols. The research used a complete randomized design (CRD) with six concentrations of liquid organic fertilizer of household waste. The treatments were repeated four times. The treatment included control, 10, 20, 30,40, and 50 ml LOF in a liter of water. The study revealed that the liquid organic fertilizer from household waste increased 1.06 folds of total soil N and 1.04 folds of exchangeable-K compared to the control but did not affect available P. Also, soil pH was comparable among treatments. The greatest concentration of LOF (50 ml per liter of water) exhibited the highest yield of mustard, indicated by the highest fresh and dry shoot weight. In general, the study contributes to the development of eco-frindly agriculture.

Pengaruh Komposisi Media Tanam dan Konsentrasi Pupuk Organik Cair Daun Kelor (moringa oleifera L.) terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.)

This study aims to determine the effect of the composition of the planting medium with the concentration of liquid organic fertilizer of Moringa leaves on the growth and yield of shallot plants. This research was conducted in October 2022 - March 2023 in the greenhouse of the Soil Science Study Program, Faculty of Agriculture, University of Jember. The study used a completely randomized design with 2 factors, there were 16 treatment combinations, 3 repetitions, and each repetition there were 3 experimental units, so that 144 experimental units were obtained. The first factor is the composition of the planting medium consisting of control; soil: cow manure (1:2); soil: cow manure (2:2) and soil: cow manure (3:2). The second factor was the concentration of liquid organic fertilizer for moringa leaves which consisted of control; 20ml/l; 50 ml/l and 80ml/l. The results showed that there was an interaction effect between the treatment of the composition of the planting medium and the concentration of liquid organic fertilizer of Moringa leaves on the fresh weight of the tubers and the dry weight of the tubers. The treatment of the composition of the planting media was able to increase the growth and yield of shallot plants, and the addition of liquid organic fertilizer for Moringa leaves was able to increase the growth and yield of shallot plants.

Effect of Nasa Liquid Organic Fertilizer (LOF) Concentration and Varieties on Growth and Production of Lettuce Plants (Lactuca Sativa L.) with the DFT Hydroponic System

Effect of Nasa Liquid Organic Fertilizer (LOF) Concentration and Varieties on Growth and Production of Lettuce Plants (Lactuca sativa L.) with DFT Hydroponic System. Lettuce (Lactuca sativa L.) is a short-lived leaf vegetable that can be grown in both highlands and lowlands. Generally consumed in a raw state so that hygiene is a top priority. Currently the demand for lettuce has not been fulfilled optimally, this is due to constraints in cultivation which causes low quality and yield of lettuce production. Efforts to increase lettuce production can be done by adding organic fertilizers as a source of plant nutrition and selecting the right lettuce varieties. This study aims to determine the interaction between the concentration of Nasa LOF fertilizer and lettuce varieties on the growth and production in hydroponic cultivation with DFT system. This study used a factorial randomized block design with a 2-factor treatment design. The first factor is the concentration of Nasa LOF with 3 levels, namely 4 mL/L; 6 mL/L; 8 mL/L and the second factor is the lettuce variety with 3 levels, namely the new grand rapid variety of lettuce; karina; kriebo le 873 which consisted of 3 groups. The results of this study showed an interaction between the concentration of Nasa LOF and lettuce varieties on the observed variables of plant height (24 DAP and 31 DAP), number of leaves (31 DAP) and wet weight per lettuce plant (31 DAP). The single treatment of Nasa LOF concentration had no significant effect on all variables observed in lettuce. The single treatment of lettuce varieties affected the observed variables of plant height (10 DAP and 17 DAP), number of leaves (24 DAP) and root length (10 DAP, 17 DAP, 24 DAP, and 31 DAP)

The Effect of Applying Azolla Liquid Organic Fertilizer in the Growth of Oil Palm Seedlings in Pre-Nursery


 
 
 
 The development and replanting of smallholder oil palm is rapid and massive; its success from the beginning is determined, among others, by sufficient quantities of seeds with good quality. Nutrient management is the highest priority in nurseries, and along with strengthening the application of sustainability principles in the palm oil industry, alternative sources of nutrients other than inorganic fertilizers are needed. This study aimed to determine the right concentration of Azolla liquid organic fertilizer to increase the growth of oil palm seedlings in pre-nursery. The study was a single factor arranged in a completely randomized design. The studied treatment of POC Azolla concentrations of 100, 85, 75, 65, 55, 45, 35, 25, 15%, plus compost treatment of Azolla solids, NPKMg (15-15-6-4) and urea with 8 repetitions. Required seedlings (9+3) x 8 = 96 polybags. The results showed that applying Azolla POC concentration of 15-35% and solid Azolla compost provided the growth of oil palm seedlings in the pre-nursery, which tended to be better than inorganic fertilizers. POC in this concentration range also results in a better seedling root system, thus potentially increasing the adaptability of oil palm seedlings after being transplanted on permanent land
 
 
 
 

Effect of Concentration of Liquid Organic Fertilizer and Arbuscular Mycorrhizal Fungi (CMA) on Growth and Red Bean Plant (Phaseolus vulgaris L)

This study aims to determine the interaction between the effect of liquid organic fertilizer concentration and arbuscular mycorrhizal fungi (CMA) on the growth and yield of red bean plants (Phaseolus vulgaris L.). The experiment was conducted in Nusaherang Village, Nusaherang District, Kuningan Regency, from July to September 2022. The research method used is the experimental method of Group Random Design (RAK) factorial pattern. The treatment consists of two factors and is repeated three times. The first factor is the concentration of liquid organic fertilizer (P), which consists of three levels, namely: P1 (5 ml / l), P2 (10 ml / l), and P3 (15 ml / l). The second factor of arbuscular mycorrhizal fungi (C) consists of three levels, namely: C1 (5 g / plant), C2 (10 g / plant), and C3 (15 g / plant). The primary observation data is processed using variance analysis; if there is a noticeable effect, the test is continued with the Duncan multiple distance test. The results showed a real interaction between the concentration of liquid organic fertilizer and arbuscular mycorrhizal fungi on plant height aged 21 HST, root length aged 21 HST, number of flowers aged 35 HST, and number of pods per red bean plant. The concentration treatment of liquid organic fertilizer has an independent effect on the number of leaves aged 21 HST. In comparison, the treatment of arbuscular mycorrhizal fungi has an independent effect on the number of leaves aged 21 and 28 HST and the number of seeds per pod. The treatment of liquid organic fertilizer and arbuscular mycorrhizal fungi has the same effect on yield variables, so the average weight of fresh red bean beans per plot is 626 g (0.63 kg) or equivalent to 1.6 tons/ha, assuming 80% of the land is effective.

Effects of Applying Liquid Organic Fertilizer Kasgot on Growth and Weight of Kolesom Leaf Consumption (Talinum Triangulare Jacq. Willd)

The research aimed to determine the effect of kasgot liquid organic fertilizer on the growth and consumption weight of kolesom leaves (Talinum triangulare [Jacq.] Willd). The experiment was conducted in Babakan Jawa Village, Majalengka District, Majalengka Regency, from August to October. The land used for research has a clay texture. Rainfall at the research location, which is rather wet, is included in type C. The research method used was a Randomized Complete Design (RCD). The treatment consisted of one factor with four replications. The factor in this study is the concentration of kasgot liquid organic fertilizer, which consists of six treatment levels, namely: K1 (control/no treatment), K2 (5 ml l-1), K3 (10 ml l-1), K4 (15 ml l-1), K5 (20 ml l-1), K6 (25 ml l-1) all treatment was repeated four replication. Variables observed were plant height (cm), number of leaves (strands), stem diameter (mm), number of shoots per plant of upright leaves (strands), shoot weight per plant (g), and total shoot weight (g). The results showed that the application of kasgot liquid organic fertilizer had a significant effect on the growth of kolesom plants, namely on the diameter of the stem at the age of 6 MSPT and the number of leaves at the age of 7 MSPT. The application of liquid organic fertilizer Kasgot K2 5 ml l-1 gave the best results on the diameter of the stem at the age of 6 MSPT, and 5 20 ml l-1 gave the best results on the number of leaves at the age of 7 MSPT

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.

The Growth of Rice Plants on Combination of Liquid Organic Fertilizer Based of the Water Hyacinth

Aims: This study aims to obtain a combination of liquid organic fertilizer (LOF) concentrations of palm wine and water hyacinth on the growth of rice plants.
 Study Design: This research used a randomized block design with thri (3 replications).
 Place and Duration of Study: This research was conducted in Baolan District, Tolitoli Regency, Central Sulawesi Province with an altitude of 20 meters above sea level (MSL) from September 2022 to January 2023.
 Methodology: consisting of six treatments, namely Ao = control, A1 = 80 ml LOF of water hyacinth + 20 ml LOF of palm wine + 900 ml of water, A2 = 70 ml LOF of water hyacinth + 30 ml palm wine + 900 ml water, A3 = 50 ml water hyacinth + 50 ml palm wine + 900 ml water, A4 = 40 ml water hyacinth +60 ml palm wine + 900 ml water, A 5 = 30 ml water hyacinth + 70 ml of palm wine + 900 ml of water. Each treatment was applied to the pot as media and each pot was planted with 1 seed.
 Results: The results of the study was shown that the combination of water hyacinth and palm wine had a significant effect on plant height, number of tillers, panicle length and grain weight per panicle.
 Conclusion: Application of liquid organic fertilizer with a combination of water hyacinth and palm wine can increase rice plant growth, increase the number of tillers, panicle length and seed weight per panicle.

Effect of Liquid Organic Fertilizer Type and Concentration on the Growth and Production of Purple Eggplant (Solanum melongena L.)

The productivity of purple eggplant has decreased and consumption continues to increase, it is necessary to increase the productivity of purple eggplant. Increasing productivity can be done by applying liquid organic fertilizer (LOF) derived from organic waste such as banana peels and fish waste. The purpose of this study was to determine the type and concentration of LOF that can help the growth and yield of purple eggplant. This research was conducted on the land of the Faculty of Agriculture, University of National Development (UPN) "Veteran" East Java in March to July 2022. The study used a factorial Randomized Block Design (RBD) consisting of 2 factors. The first factor was the LOF of banana peels and LOF of fish waste. The second factor is the LOF concentration level, namely 10%, 15%, 20%, 25% and 30%. The results showed that the treatment combination of fish waste LOF with a concentration of 30% gave plant with a biggest stem diameter of 1.01 cm. While the treatment combination of fish waste LOF with a concentration of 25% gave results with a total of 16.78 flowers and a total fruit weight of 1435.61 g/plant. Keywords: Banana peels, Concentration, Eggplant, Fish waste, Yield

Growth of Black Orchids (Coelogyne Pandurata Lindl) with Additional Ecoenzyme Liquid Organic Fertilizer and Biostimulant of Cengkodok Leaf Extract

Acclimatization of black orchid plantlets (Coleogyne pandurata Lindl.) with cengkodok leaf extract biostimulant treatment has been successfully carried out, but still have slow growth. To support growth and development at the enlargement stage, cultivated orchids need to be given eco enzyme liquid organic fertilizer (LOF) derived from various sources of organic matter. Provision of ecoenzyme LOF combined with biostimulant 20 mg/l of Cengkodok leaf extract to increase the efficiency of nutrient absorption. The aim of the research was to find the best type and concentration of LOF for the growth of black orchids at the enlargement stage. The study used a Complete Randomized Design (CRD) with two treatment factors namely type of LOF (ecoenzyme (ee) LOF from vegetable and fruit waste, ee LOF from pineapple peel waste, and "NASA" LOF) and . the POC concentration (0; 0.5; 1.0; and 1.5 ml/l). The results showed that the single treatment of ee LOF significantly effected the number of leaves and the number of black orchid tillers, while the single treatment of ee LOF concentration had an effect on the parameters of height, number of leaves, number of tillers and leaf area of black orchid. The parameter of chlorophyll content had no signifcant effect by the type and concentration of LOF. The largest leaf area was shown in the addition of ee LOF from vegetable and fruit waste at a concentration of 1 ml/l which was 11.88 cm2.

Rice (Oryza sativa L.) Growth and Production in Main Square System Treatment with Liquid Organic Fertilizer of Gold Snails (Pomacea caniculata L.) and Citronella Oil (Cymbopogon nardus (L.) Rendle)

The use of artificial chemicals as fertilizers and pesticides can endanger the health of the environment and consumers, so the potential utilization of natural materials as fertilizers and pesticides needs to be increased from local sources such as golden snails and citronella. The experiment aims to get the best interaction between golden snail Liquid Organic Fertilizer (LOF) and citronella oil for rice growth and production. The experiment was carried out in the paddy fields of Jorong Paraman Ampalu, Gunung Tuleh District, West Pasaman Regency from September 2020 to January 2021 using an RBD of 2 factors with 3 replications. The first factor was the golden snail LOF concentration, namely: 0, 100, 200, and 300 ml/L. The second factor was the citronella oil concentration, namely: 0, 10, 20, and 30 ml/L. Data were analyzed with ANOVA and DNMRT at 5% and 1%. The experimental results showed that the interaction between golden snail LOF and citronella oil concentration accelerated flowering, increased panicle length, grain weight, and dry grain production per hectare, while the golden snail LOF concentration factor increased plant height, maximum number of tillers and productive tillers, panicle length, number of grains per panicle, and 1000 grain weight. The highest grain production was obtained at concentrations of golden snails LOF of 200 ml/L and citronella oils 20 ml/L, namely 9.18 t/ha. The frequency of attacks by ground beetles and golden snails decreased at a concentration of 30 ml/L citronella oil, while stink bug infestation frequency was reduced at a concentration of 10 ml/L.

Uji Kualitas Pupuk Organik Cair Kotoran Sapi dengan Beberapa Bioaktivator Terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium Ascalonicum L.)

This study aims to improve the quality of cow manure liquid organic fertilizer from several bioactivators and to determine the effect of liquid organic fertilizer on the growth and yield of shallot (Allium ascalonicum L.) plants. This research was conducted on March 11 2022 – November 29 2022 at the cultivation land of Lamongan Regency. The research was arranged using Factorial RBD consisting of two levels and three replications. The first level is the types of bioactivators which consist of 5 types, namely without bioactivators (B0), Em4 (B1), BRE4 (B2), PAZ's (B3), and Mol rumen (B4). The second level is the concentration of liquid organic fertilizer to be tested on plants which consists of 4 concentrations of only basic fertilizer (K0), 20 ml/liter (K1), 40 ml/liter (K2), and 60 ml/liter (K3). Research data can be analyzed by ANOVA followed by Duncan's Multiple Range test at 5% level. The experimental results showed that a single treatment with the type of bioactivator helped improve the quality of liquid organic fertilizer for cow dung because the total N and pH parameters met the quality of the Minister of Agriculture. Single treatment concentration of cow manure liquid organic fertilizer showed a highly significant different effect on the variables observed in plant height, number of leaves, root volume, tuber diameter, and tuber dry weight. The variable number of tubers showed significantly different results in a single treatment, the concentration of cow dung liquid organic fertilizer and the fresh weight of tubers showed no significant differences. The best concentration of liquid organic fertilizer for cow dung was 60 ml/liter with the highest value at plant height 15.81 cm, number of leaves 10-11 leaves, root volume 10.96 ml, tuber diameter 1.86 cm, tuber number 38-38 tubers/plot, and tuber dry weight 17.89 grams. A significant correlation was also shown between fresh weight and tuber diameter because the value of r count 0.5237 was greater than r table 0.2144.

Pakcoy's (Brassica rapa L.) Response to the Provision of Liquid Organic Fertilizer in Polybags

This study aimed to examine the effect of Liquid Organic Fertilizer (LOF) in increasing the growth and yield of pakcoy, as well as obtaining LOF concentrations that provided the best growth and yields of pakcoy plants. It was conducted at the Teaching and Research Farm, Faculty of Agriculture, University of Jambi, 35 asl. The study used a Randomized Block Design with one factor, namely various LOF concentrations: 0ml/l; 5ml/l; 10ml/l, 15ml/l. Each treatment was repeated five times. The results showed that LOF application was able to increase the growth and yield of pakcoy plants in the form of plant height (4.94%–24.49%), number of leaves (4.63%–9.26%), leaf area (18.17%–46.12%), dry weight (50.98%–94.90%), and plant fresh weight (50.46%–102.60%). The LOF concentration of 10ml/l provided the best pakcoy growth and yield. The results of this study have just been able to produce a fresh weight of pakcoy 26%–33% of the potential pakcoy yield.

Effect of concentration of banana corm liquid organic fertilizer and dosage of bokashi fertilizer on growth and yield of long bean (Vigna sinensis L.)

This research aims to determine the effect of the concentration of corm banana liquid organic fertilizer and doses of chicken manure bokashi on the growth and yield of long bean plants. The research was conducted in Sidera Village Sigi Biromaru District, Sigi Regency, from October to December 2021. The research used a Factorial Randomized Block Design (RBD). The first factor was the concentration of banana corm liquid organic fertilizer, which consisted of four levels, namely P0 = without liquid organic fertilizer, P1 = 100 ml per L, P2 = 200 ml per L, and P3 = 300 ml per L. The second factor was the dose of bokashi chicken manure, which consisted of 3 levels, K1 = 15 tons per ha, K2 = 20 tons per ha, and K3 = 25 tons per ha. The results showed an interaction between banana corm liquid organic fertilizer and chicken manure bokashi. The treatment of banana corm liquid organic fertilizer at a concentration of 300 ml per L, and bokashi chicken manure at a dose of 25 tons per ha significantly affected plant height, number of leaves and number of pods.

Effectivity of liquid organic fertilizer on production of pakcoy (Brassica rapa L.)

The main objective of this research was to obtain the optimal concentration of Liquid Organic Fertilizer (LOF) from house waste against the growth and yield of pakcoy. This study used an experimental method with a single-factor randomized design group, with eight treatments. The treatments are: A0 (control), A1 (LOF 100 ml/L), A2 (LOF 200 ml/L), A3 (LOF 300 ml/L), A4 (LOF 400 ml/L), A5 (LOF 500 ml/L), A6 (LOF NASA 6 ml/L), A7 (NPK fertilizer 250 kg/ha). The treatments were repeated four times and tested by analysis of variance (ANOVA) and further tested with Duncan’s Multiple Range Test (DMRT) at 5% level. The results showed that the application of LOF from house waste significantly affected improving the growth and yield of pakcoy plants. The LOF concentration of 200 ml/L gave the highest contibution to the leaf area: 285 cm2 and fresh weight: 82 gram.

Growth and production of purple eggplant (Solanum melongena L.) with application of chicken manure and liquid organic fertilizer of goat urine

It is feared that the continuous use of inorganic fertilizers at high doses could cause a decrease in soil fertility. Besides that, currently people tend to prefer organic plant products. Efforts that can be made to reduce the use of inorganic fertilizers are using liquid organic fertilizer goat urine and steps to improve soil quality require the application of manure. This study aims to determine the effect of the interaction of dosing chicken manure and the concentration of goat urine liquid organic fertilizer. This study used a factorial completely randomized design consisting of two factors, namely chicken manure with 3 dose levels of 10, 20, 30 t.ha-1 and liquid organic fertilizer (LOF) of goat urine with 3 concentration levels of 10, 20, 30%. The results showed that the interaction between chicken manure and goat urine liquid organic fertilizer did not provide an increase in all observation parameters. Applying several doses of chicken manure can increase plant height and stem diameter in purple eggplant plants with the best growth found at a dose of chicken manure 20 t.ha-1. Application of liquid organic fertilizer goat urine does not improve the entire parameter. Application of chicken manure dose of 20 t. ha-1 and concentration of 20% LOF showed the best growth and production of purple eggplant plants.