PERFORMANCE AGRONOMY OF CIHERANG RICE IN BALANCING NITROGEN NUTRIENT INTAKE FROM AZOLLA COMPOST AND UREA Muhammad Hazmi, Habib Waliyuddin, and Hudaini Hasbi
Universitas Muhammadiyah Jember
Abstract
Ciherang rice production, grown expansively in East Java, declines due to soil fertility aspect, especially Nitrogen intake. It could be a result of intensive use of inorganic fertilizer. Restoring soil fertility is necessary using Azolla as nutrient natural source, known for its Nitrogen supplement content to counterbalance the Urea fertilizer. The study aimed to investigate performance argonomy of Ciherang rice in Nitrogen balancing from Azolla and Urea fertilizer. The study began in March and completed in June 2019 in Sulek, Tlogosari, Bondowoso ±510 masl. The experiment used one-factor treatment RCBD; balancing Nitrogen nutrient intake using Azolla compost (A) and Urea fertilizer (U), 10 combinations, three replications. Duncan multiple-range test indicates the crop at its high performance at 68 DAP, total tillers, and productive tillers were influenced by AU 6 (Azolla balancing 12 g/m2:Urea 18 g/m2). Weigh performance of wet stover was affected by AU 8 (6 g/m2:24 g/m2), whereas that of dry stover was influenced by AU 7 (9 g/m2:21 g/m2). Grain weigh performance per hill was influenced by AU 4 (21 g/m2:9 g/m2), while per plot was influenced by AU 5 (18 g/m2:12 g/m2). Nitrogen intake balancing from Azolla and Urea fertilizer could restore the performance agronomy of Ciherang rice.
Keywords: Performance agronomy, Ciherang rice, nitrogen, Azolla compost, and Urea
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