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Desak Ketut Tristiana Sukmadewi
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Agriculture, Biological Sciences & Forestry

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Application of Organic Fertilizer POC (Rice Washing Water) and Cow Manure on The Growth and Yield of Bird's Chili (Capsicum Frutescens L) Plants I Gusti Ngurah Yogi Iswara Wibawa; Made Sri Yuliartini; Desak Ketut Tristiana Sukmadewi
Agriwar Journal Vol. 5 No. 2 (2025): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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This study aims to determine the effect of liquid organic fertilizer (POC) application from rice water washing and cow manure on the growth and yield of cayenne pepper (Capsicum frutescens L). The method used is a Randomized Block Design (RBD) with two treatment factors, namely the concentration of POC (10 cc.l -1, 20 cc.l -1, and 30 cc. l ---1) and the dose of cow manure (10 tons ha -1, 15 tons ha -1-, and 20-tons ha -1). The results of the analysis showed that the interaction between the concentration of POC and the dose of cow manure did not have a significant effect (P>0.05) on all observed variables. The treatment of rice water washing POC concentration gave the highest fresh weight of fruit bunches at a concentration of POC (C3) 30 cc.l -, namely 44.18 g, or an increase of 6.4% from the lowest fresh weight of fruit bunches obtained at a concentration of POC (C1) 10 cc.l-1, namely 40.19 g, the highest oven dry weight of fruit bunches at a concentration of POC 30 (C3) cc.l-1, namely 10.49 g, an increase of 28.5%. The treatment of cow manure dose had no significant effect (P>0.05) on all observed variables. There was a significant effect on the number of harvested fruits per plant, where the treatment of POC 30 cc.l -1 and the dose of cow manure 30 tons ha -1. This study concluded that the use of liquid organic fertilizer (POC) from rice washing water and cow manure can increase cayenne pepper yields, although the effect varies depending on the variables observed. It is hoped that these results will provide useful information for farmers in sustainably increasing cayenne pepper productivity.
Application of Mycorrhizal Biofertilizer and NPK Fertilizer to the Growth and Yield of Edamame Soybean Plants Ni Putu Agnis Candrawati; Yohanes Parlindungan Situmeang; Desak Ketut Tristiana Sukmadewi
Agriwar Journal Vol. 4 No. 1 (2024): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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This study aims to evaluate the effect of doses of arbuscular mycorrhizal biofertilizer and NPK fertilizer and their interaction in increasing the growth and yield of edamame soybean plants. This research was carried out in Kutuh Village, South Kuta District, Badung Regency, Bali in March-June 2023. This study used a Factorial Group Randomized Design (2 factors) which was repeated 3 times. The first factor is the application of mycorrhizal biofertilizer (M) which consists of 4 levels (0; 7.5; 15; dan 22.5 g plant-1). The second factor is the application of NPK chemical fertilizer which consists of 4 levels (0; 1.25; 2.5; dan 3.75 g plant-1). Arbuscular mycorrhizal biofertilizer treatment of 22.5 g plant-1 (M3) gave the highest yield of fresh seed weight of 22.92 g plant-1 with an increase of 34.19% compared to without mycorrhizal fertilizer treatment (M0) which was 17.08 g plant-1. The treatment dose of NPK fertilizer 3.75 g plant-1 (N3) resulted in the highest fresh weight of seeds of 25.75 g plant-1 or an increase of 101.96% compared to treatment without NPK fertilizer which was 12.75 g plant-1. The interaction between mycorrhizal biofertilizer 15 g plant-1 and NPK fertilizer 3.75 g plant-1 resulted in the highest average number of leaves of 18.57 strands. Meanwhile, the interaction without biofertilizer treatment with NPK fertilizer 3.75 g plant-1 resulted in the highest average number of branches, namely 5.73 pieces.
The Effect of a Combination of Biodive Fertilizers on The Growth of Sweet Corn (Zea mays L. Saccharata Sturt) Desak Ayu Diah Prawerti; I Gusti Bagus Udayana; Desak Ketut Tristiana Sukmadewi
Agriwar Journal Vol. 5 No. 1 (2025): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/aj.5.1.2025.10-15

Abstract

This research aims to determine the effect of a combination of biological fertilizers on the growth of sweet corn plants. This research was conducted at Subak Mambal Jl. Raya Semana, Mambal Village, Abiansemal District, Badung Regency, with an altitude of 240 meters above sea level. The experiment lasted for approximately 3 months, starting from April to July 2023. This research was conducted using a single-factor Randomized Block Design (RAK), which employed five treatments with five replications, and the dose of fertilizer was calculated based on the land area. The combinations used are P1 (NPK 100%), P2 (NPK 50% + Aspergillus costaricaensis Biological Fertilizer), P3 (NPK 50% + Liquid Biological Fertilizer), P4 (Aspergillus costaricaensis Biological Fertilizer + Organic Fertilizer), P5 (Organic Fertilizer + Liquid Biological Fertilizer). The results of statistical analysis show that the combination of biological fertilizer on plant height, number of leaves, stem diameter, cob length, weight of cobs with husks, weight of cobs without husks, number of cobs, and fresh weight of roots can equalize the results from using 100% NPK even though the differences are not significant. In terms of the weight of cobs with husks and the weight of cobs without husks, the combination of 50% NPK + liquid biofertilizer can increase the weight of husked cobs and the weight of cobs without husks, which is not significantly different from the 100% NPK treatment.
Co-Authors Desak Ayu Diah Prawerti I Gusti Bagus Udayana I Gusti Ngurah Yogi Iswara Wibawa Made Sri Yuliartini Ni Putu Agnis Candrawati Ni Putu Agnis Candrawati Yohanes Parlindungan Situmeang