The increase of corn crop productivity through NPK fertilizer addition in dy land

Abstract

Abstract Corn crop is categorized as C4 plant that may be used as alternative feed substitution of forage grass with high nutritional content. The aim of this study is to identify the effect of NPK fertilizer addition to productivity and nutrient content of corn crop in dry land. This study was performed from March to May 2019 (by the end of rainy season) in Tanete Riaja, Barru. This study employed completely randomized design with 4 treatments namely, A1: No fertilizer addition, A2=100 kg ha −1 , A3=200 kg ha −1 , A4=300 kg ha −1 and 3 replications. The corn crops used in this study was corn hybrid (Bisi-18) that were harvested at the age of 2 months. The result of this study showed that the use of NPK fertilizer improves the growth and productivity of corn crop, particularly the production and nutritional quality. The highest increase of production and growth occured in A3.

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