N, P and K fertilizers applications on sweet corn
1991
Rifin, A. (Balai Penelitian Tanaman Pangan, Bogor (Indonesia))
An experiment was conducted at Cikeumeuh experiment farm from June to August 1989, Bogor to find out optimum dosage of N, P and K on yield and yield components of sweet corn. The experiment was laid out in a factorial arrangement in a randomized block design with three replications, and three factors. The first factor was nitrogen applications with three levels, namely N0 (without nitrogen), N1 (90 kg N/ha) and N2 (135 kg N/ha). The second factor was phosphorus applications with three levels: P0 (without P205), P1 (45 kg P2O5/ha) and P2 (90 kg P2O5/ha), and the third factor was potassium applications with two levels: K0 (without K2O) and K1 (30 kg K2O/ha). The results showed that only the nitrogen applications affected yield and components of the sweet corn, the applications of P2O5 and K2O did not. The application 90 kg N/ha gave no different effects on yield and yield components of the corn compared to that applied with 135 kg N/ha, except for ear classification and fresh weight of plants.
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