tailieunhanh - Effect of zinc application on yield attributes and yield of maize and wheat in maize-wheat cropping system

An experiment was conducted during 2009-10 and 2010-11 at research farm of division of Agronomy, IARI, New Delhi, to study the effect of various doses and methods of zinc application on maize and wheat. The treatment consisted of control, kg ZnSO4 ha-1 , 25 kg ZnSO4 ha-1 and foliar spray of % ZnSO4 and two wheat Varieties ‘DBW 17’ and ‘PBW 343’. The grain, stover and biological yield of maize were significantly influenced by application of zinc during first year and the maximum yields were recorded with the application of 25 kg ZnSO4 ha-1 during both the year. During first year application of 25 kg ZnSO4, ZnSO4 ha-1 and foliar spray of % ZnSO4 increased grain yield by , and percent respectively over control, while , and increase in grain yield was recorded during second year. In wheat, application of 25 kg ZnSO4 ha-1 significantly increased 1000 grain weight during both the years while during second year effective tiller m-2 , grain spike-1 and grain diameter; as compared to the remaining treatment. | Effect of zinc application on yield attributes and yield of maize and wheat in maize-wheat cropping system

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