Pengaruh Waktu Pemberian Pupuk Kandang Sapi Terhadap N Tanah Dan N Tanaman Serta Pertumbuhan Dan Hasil Bawang Merah (Allium Ascalonicum L.)

This study aims to determine the effect of cow manure application at different times on soil N and crop N of shallot (Allium Ascalonicum L) Bima variety on Entisols Sidera. This research was conducted at the Screen House Department of Agricultural Cultivation, Faculty of Agriculture, Tadulako University Palu, soil and plant analysis was carried out at the Soil Science Laboratory, Faculty of Agriculture, Tadulako University, Palu. This research was conducted from October to January 2019. This study used a randomized block design (RAK). with 4 repetitions. The treatments were as follows: T0 = control without fertilizer application, T1 = application of manure 1 week before planting, T2 = application of manure 2 weeks before planting, T3 = application of manure 3 weeks before planting, T4 = application of manure 4 weeks before planting, and T5 = application of manure 5 weeks before planting. The results showed that the application of 51.375 g of cow manure on Entisols sidera could increase the total soil N, pH H2O, pH KCl, and plant N.