PENGARUH WAKTU PEMBERIAN PUPUK KANDANG SAPI TERHADAP P TERSEDIA DAN SERAPAN P SERTA HASIL TANAMAN BAWANG MERAH (ALLIUM ASCALONICUM L.) VARIETAS BIMA

This study aimed to determine the effect of cow manure application at different times on available P. and P uptake and yield of shallot (Allium Ascalonicum L.) Bima Variety on Entisols Sidera. This research was carried out by Screen House, Department of Agricultura Cultivation, Faculty of Agriculture, Tadulako Univercity Palu, soil and plant analysis was carried out at the soil Science Laboratory, Faculty of Agriculture, Tadulako Univercity, Palu This research was conducted from October to January 2019. This study used a randomized block design (RAK), With 3 repetition. The treatments were as follows : W0 = fertilizer application at the same time as planting (27.37 g), W1 = fertilizer application 1 week before planting (27.37 g), W2 = fertilizer application 2 weeks before planting (27.37 g), W3 = application of fertilizer 3 weeks before planting (27.37 g), and W4 = application of fertilizer 4 weeks before planting (27.37 g). The result showed that the application of cow manure Based on the results of research on the effect of time of application of cow manure 27.37 g, on Entisols sidera can increase P-Total, pH H20, pH KCI, plant and P uptake.

Keywords : Shallot, Cow Manure, Entisol.