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All Journal Jurnal Silva Samalas: Journal of Forestry and Plant Science
Hapisah Hapisah
Fakultas Pertanian Universitas Mataram
Agriculture, Biological Sciences & Forestry Environmental Science

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ORGANIC FERTILIZATIONTO INCREASE YIELD OF SOYBEAN VAR. ANJASMORO INTERCROPPED WITH VARIOUS VARIETIES OF RED RICE UNDER AEROBIC IRRIGATION SYSTEM Hapisah Hapisah; Wayan Wangiyana
Jurnal Silva Samalas Vol 3, No 1 (2020): Juni 2020
Publisher : Universitas Pendidikan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jss.v3i1.3677

Abstract

This study aimed to examine the effect of organic fertilization and red rice varieties on growth and yield of soybean grown together with various red rice varieties under aerobic system irrigation. The pot experiment, carried out in the plastic house of the Faculty of Agriculture, University of Mataram in the Narmada experimental farm, was arranged according to the Completely Randomized Design, with three replications and two treatment factors, namely organic fertilization using bokashi of cattle manure (16 ton/ha) applied at rice planting (P0 = without; P1 = with organic fertilizer), and red rice varieties (V1= AM-G2, V2= AM-G4, V3= AM-G9, V4= AM-G10, V5= Inpari 24, V6= Inpago Unram-1), under aerobic irrigation system through sub-irrigation. Pre-germinated soybean seeds (“Anjasmoro” variety) were relay-planted 18 days after planting rice. The results indicated that organic fertilization only significantly increased weights of dry stover, dry pods and grain yield of soybean, whereas rice varieties only affected dry pod weight, and the interaction effect was significant only on soybean grain yield, with the highest average of 17.77 g/pot (equivalent to 2.84 ton/ha) in soybean relay-planted with organic-fertilized rice of “Inpari 24” variety, which grain yield was the lowest (11.1 g/pot or 1,78 ton/ha), indicating that there were below-ground competitions between rice and soybean grown in one pot. However, in the treatment producing the highest rice grain yield (40.9 g/pot or 6.54 ton/ha), the average soybean grain yield was 13.7 g/pot (or 2.19 ton/ha), which is still quite high (far above the national productivity), so relay-planting soybean with rice crop in aerobic irrigation systems supplied with organic fertilizer is still feasible.
Co-Authors Wayan Wangiyana