Rescheduling of fertilisers and fertilisation strategies for rice crop

Abstract

A field experiment was conducted for three Kharif seasons (2014-15,2015-16 & 2016-17) at Regional Agricultural Research Station, Nandyala, Andhra Pradesh to study the rescheduling of fertilizer doses in Rice crop for Scarce rainfall zone of Andhra Pradesh. The results revealed that the Panicle Length (cm), No of grains per panicle, Grain yield (5714 kg/ha), and straw yield (9389 kg/ha) were obtained with STBF + Vermicompost @ 2 t ha-1 (T3 treatment), while the minimum values of yield attributes and grain yield (4628 kg ha-1) and yield attributes were recorded with treatment of STCR equation (T4 treatment). The highest benefit cost ratio (2.60) and net income (47,245/-) was recorded by the application of soil test based fertilization over the other fertilizer doses. Lowest benefit cost ratio (1.71) was observed with the farmers practice application of fertlization. The study indicated that nutrient management based on soil tested data lead to positive nutrient balance.