INTERNATIONAL JOURNAL OF AGRICULTURAL TECHNOLOGY

Volume 14, No. 07, Month DECEMBER, Year 2018, Pages 1471 - 1482

Residual effect of vermicompost on sweet corn growth and selected chemical properties of soils from different organic farming practices

Muktamar, Z., Adiprasetyo, T., Yulia, Suprapto, Sari L., Fahrurrozi, F. and Setyowati, N.

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Solid organic fertilizer releases plant nutrient slowly, however, the residue in soil is available for the longer period. The he effect of vermicompost residue on sweet corn growth and selected chemical properties of soils from different organic farming practiceswas investigated. The first factor was soil from different organic farming practices (OFP), i.e., 0, 5, and 10 years of OFP and the second factor was rates of vermicompost, i.e., 0, 10, 20, and 30 Mg ha-1. Result revealed that at the first and second plantings, vermicompost application considerably increased sweet corn growth and soil chemical properties, being the greatest was at the rate of 30 Mg ha-1. Likewise, soil from 10 years of organic farming practice had higher total organic carbon and pH than the other practices. But, those of the second planting was shown significantly lower than those of the first planting, indicating that there was a depletion of nutrients after the second planting. The study confirmed that regular fertilization on organic farming practices is yet necessary to maintain the availability of plant nutrients.

Keywords

residue, vermicompost, organic farming, sweet corn

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