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ISSN : 2456-8643

Title:
INFLUENCE OF BIOFERTILIZER AND HUMIC ACID ON NPK CONTENT AND YIELD OF RICE (Oryza sativa L.)

Authors:
Betty Natalie Fitriatin ,Putri Tamara , Oviyanti Mulyani , Emma Trinurani Sofyan , Anny Yuniarti and Tien Turmuktini

Abstract:
The objective of this study was to know the effect of biofertilizer and humic acid on NPK content and yield of riceIR-64 cultivar in Indramayu. Biofertilizer containing nitrogen fixing microbes (Azotobacter and Azospirillum) and phosphate solubilizing microbes (Pseudomonas mallei, Pseudomonas cepaceae, Penicillium sp. And Aspergillusniger) was used in this experiment. This research was conducted from April to July 2017 in paddy fields located at Gantar District, Indramayu. A Randomized Block Design (RBD) was used in this experiment with seven treatments and repeated four times. The treatments were biofertilizer(50 kg ha-1) and humic acid (20 L ha-1) with different recommendation doses of NPK fertilizer (0%, 25%, 50%, 75% and 100%). The result showed that biofertilizer and humic acid with different recommendation doses of NPK fertilizer significantly increase P content (0,73%) and yield of rice (8,93 t ha 1).

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