MODEL MATEMATIKA PENGELOLAAN N, P, K PADA LAHAN TEGAL UNTUK BUDIDAYA TANAMAN JAGUNG HIBRIDA (Zea mays L.) DI KECAMATAN JATISRONO, WONOGIRI

HASWORO, NILA TRI (2008) MODEL MATEMATIKA PENGELOLAAN N, P, K PADA LAHAN TEGAL UNTUK BUDIDAYA TANAMAN JAGUNG HIBRIDA (Zea mays L.) DI KECAMATAN JATISRONO, WONOGIRI. Other thesis, Universitas Sebelas Maret.

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Abstract

The aims of this research is to construct that the mathematics model can used as reference for N,P,K management for maize hybride (Zea mays L.) cultivation in dry land of Jatisrono, Wonogiri Regency. The problem of the research is the available of N,P,K in the dry land determined by endogen and eksogen factor, so that need existence of mathematics model within can be reference in its management. The frame idea of this research is to determine recommendation management of correct N,P,K land. According to the aims, problems, and frame idea, this research conducted by field survey and supported with land analysis in laboratory and statistic analysis (Stepwise regression dan correlation). The result of this research it can be concluded that mathematics model can used as reference for N,P,K management for maize hybride (Zea mays L.) cultivation in dry land of Jatisrono, Wonogiri Regency. The Mathematics model of N, P,K management this research is : N total ` = 1.74 + 11.7 Organic matter + 0.021 Kind of fertilizers P available = 1.61 - 26.6 Organic matter + 0.161 Kind of fertilizers K available = 6.53 + 425 Organic matter + 0.434 Kind of fertilizers Keywords : Matemathics model, Management of N,P,K, Maize Hybride (Zea mays L.)

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