The Effectiveness of cow manure and inorganic fertilizer on sweetcorn (Zea mays saccharata sturt) productivity

Sweetcorn has been treated by cow manure and inorganic fertilizer in Inceptisols. Inceptisols possesses low soil fertility and a relatively low to moderate level of organic matter content. This study has been conducted from June to December 2018 at the Field Experimental Station of Agriculture Faculty, Universitas Padjadjaran, Jatinangor, West Java. The treatments are as follow: A = Control, B = Standard NPK, C = 0 NPK + 1 cow manure, D = ¼ NPK + 1 cow manure, E = ½ NPK + 1 cow manure, F = ¾ NPK + 1 cow manure, G = 1 NPK + 1 cow manure, H = ¾ NPK + ¼ cow manure, I = ¾ NPK +½ cow manure and J = ¾ NPK + ¾ cow manure. The combination of cow manure and inorganic performed the best result.