Author(s):

H Arunakumari, M Martin Luther and K Chandrasekhar

Abstract: A study was conducted during kharif 2016-17 and 2017-18 to assess the impact of phosphorus management i.e., the influence of source and levels of phosphorus on nutrient uptake and availability of rice in Agricultural College Farm, Bapatla. The results inferred that significant improvement in nutrient uptake and availability (NPK) of rice was observed with the treatment received green manuring insitu with dhaincha along with PSB. Availability of NPK was enhanced with increased rate of P₂O₅ application upto some extent but optimum grain yield, nutrient uptake and availability after harvest of rice crop was observed with the 50% RDP than 100 and 150% RDP.

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