Influence of different levels of phosphorus and PSB seed treatment on P fraction in soil at different growth stages of groundnut (Arachis hypogaea L.)

In order to know the effect of PSB seed treatment and P levels on P-fractions in different growth stages of groundnut a field experiment was conducted on a sandy loam soil at KVK, UAHS, Shimoga during kharif of 2013 The levels of phosphorus @ 0, 25, 37.5 and 50 kg P2O5 as DAP per ha-1 with or without PSB seed treatment were tried in a randomized complete block design with three replications and eight treatments.