STATUS AND RECOMMENDATIONS OF SOIL NUTRIENT APPLIED TECHNOLOGYOF LOWLAND RICE (CASE STUDY IN DISTRICT SEMIDANG ALAS MARAS, SELUMA)

Wahyuni, Tri and Irma , Calista Siagian (2016) STATUS AND RECOMMENDATIONS OF SOIL NUTRIENT APPLIED TECHNOLOGYOF LOWLAND RICE (CASE STUDY IN DISTRICT SEMIDANG ALAS MARAS, SELUMA). In: Proceeding ISEPROLOCAL. Badan Penerbitan Fakultas Pertanian Universitas Bengkulu, Bengkulu, Indonesia, pp. 431-435. ISBN 9786029071184

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Abstract

Rice is the most important agricultural commodities. The productivity of paddy in the Seluma District whichis a center of rice crops is still low. One effort that can be done to improve the productivity of applied technology is the application of site-specific recommendations. The purpose of the study was to obtain data and information on the status of N, P and K soil rice field and make recommendations applied technology in rice paddies. The benefits obtained by the recommendation N, P and K rice paddy more rational and efficient based on the nutrient status of the soil and can reduce the using offertilizers. The experiment was conducted in October until November of 2013 and located in Semidang Alas Maras, Seluma District. Methodologies used include: preparation, implementation of soil sampling, laboratory analysis, and preparation of recommendations applied technology. In practice, individual soil become composite, 1 composite soil sample consisting of 10-15 individual soil samples. The number of composite soil samples were taken by 10 composite soil samples, data from soil analysis assessed the levels of macro elements (N, P, K, Ca, Mg, Na, CEC,and KB), microelements (Al-dd, H-dd, soil texture ), pHH2O, pHKCl, and texture. The results ofthe analysis ofthe elements of Nas very low to very high with urea fertilizer recommendations 200-250kg /ha. Nutrients P classified as very low to moderate, with the SP-36 fertilizer recommended is 75-100kg/ha. K nutrients classified as very low to low with KCl fertilizer recommendations given was100kg/ha.

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