Effect of zinc application on yield, growth characters and nutrient uptake by paddy (Oryza sativa. L)

Abstract

A pot culture study entitled “Effect of zinc through agronomic fortification in paddy” was conducted during kharif 2017-2018 at Dept. of Soil Science and Agricultural Chemistry, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. The significantly highest yield and growth characters were observed in the treatment of soil application of RDF+ ZnSO4 @ 25 kg ha-1. The higher N, K, Zn, Fe and Mn content and uptake was recorded with the soil application of RDF+ ZnSO4 @ 25 kg ha-1. But the highest P and Cu content and uptake was observed in the treatment of recommended dose fertilizer (RDF) due to antagonistic effect of zinc with these elements. It is concluded that, the soil application of ZnSO4 @ 25 kg ha-1 + RDF (100:50:50 kg ha-1 N, P2O5, K2O) at the time of sowing recorded highest paddy grain and straw yield, growth characters and nutrient uptake.