The effect of organic fertilizer and urea fertilizer on growth, yield and quality of sweet corn and soil health

This study aims to determine the effect of organic fertilizer and urea fertilizer on growth, yield, and quality of sweet corn (Zea maysL.saccharata)and soil health. The research was conducted in Bandar Lampung, Indonesia in December 2016 until March 2017. This research was designed using a randomized factorial block design 2 x 4 with three replications. The arrangement of treatments are as follows: The first treatment was organic fertilizer (poultry manure that has been composted and combined with Biomax-Growbiofertilizer) consisting of 2 levels that are, 0 and 15ton ha-1. The second treatment was the dosage of urea fertilizer consisted of0, 150, 300 and 450 kg ha-1.The results showed that application of integrated use of organic fertilizer and urea fertilizer would decrease the use of urea and be recommended for sweet corn cultivation. Organic fertilizer gives a better postharvest quality of sweet corn and a better soil health with respect to soil respiration as well as fungi and bacterial population.