Response of Plant Growth Promoting Rhizobacteria (PGPR) And Biochar Towards Growth and Yield of Domba Variety of Peanut (Arachis Hypogaea L.)
Keywords:
Peanuts, PGPR, Biochar, 100-Seed WeightAbstract
Abstract: This experiment aims to obtain the appropriate ratio of Plant Growth Promoting Rizobacteria (PGPR) and Biochar to increase the growth and yield of Peanut Plants (Arachis Hypogaea L.) Domba Variety. This experiment uses a Randomized Block Design arranged in a factorial manner consisting of two factors and repeated three times. The first factor is the concentration of PGPR including P1: PGPR concentration of 10 ml/L, P2: PGPR concentration of 15 ml/L, P3: PGPR concentration of 20 ml/L. The second factor is the dose of Biochar including B1: Control, B2: dose of 3 tons/ha (equivalent to 18 gr/polybag), B3: dose of 6 tons/ha (equivalent to 36 gr/polybag). The variables observed in this study are plant height, number of primary branches, Number of Pods per Plant, Fruit Weight per Plant (grams), Weight of 100 Seeds. The data analysis used statistical analysis of variance (ANOVA). If the results of the analysis of variance showed significant differences, Duncan's test was used at the 5% level. This experiment was conducted in Tingal Village, Garum District, Blitar Regency, East Java, from December 2024 to March 2025. Based on the research results, the best treatment combination was P3B3 (PGPR 20 ml/L + biochar 6 tons/ha). This treatment combination increased growth and yield from the vegetative to the generative phases of peanut plants.
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Copyright (c) 2025 Muhamad Rifa’i, Jeka Widiatmanta , Army Dita Serdani , Tri Kurniastuti
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