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Paper Details

Yield and quality of maize (Zea mays L.) as influenced by different levels of nitrogen, phosphorus and zinc

S.S. RASKAR*, V.V. SONANI, A.V. SHELKE1 AND V.B. SAWANT2

Journal Title:International Journal of Agricultural Sciences
Abstract


A field investigation was conducted during the Rabi season of 2009-10 to study yield and quality of maize as influenced by different levels of nitrogen, phosphorus and zinc. The results indicated that application of 120 and 160 kg N ha-1 were at par and produced significantly higher grain and stover yield as compared to 80 kg N ha-1. The mean grain yield recorded under the application of 120 and 160 N ha-1 was 5209 and 5550 kg ha-1 which accounted for 11.35 and 18.64 per cent increases over 80 kg N ha-1. Nitrogen levels had significant influence on the protein content in grain. Protein content increased under the levels of 120 and 160 kg N ha-1 was to tune of 4.93 and 7.68 per cent, respectively over application of 80 kg N ha-1. Application of 60 and 80 kg P2O5 ha-1 were at par and produced significantly higher grain yield than that of 40 kg P2O5 ha-1. The grain yield showed increase under the levels of 60 and 80 kg P2O5 ha-1 were 8.97 and 10.13 per cent increase over 40 kg P2O5 ha-1. Protein content was not influenced significantly due to phosphorus application. Grain yield, stover yield and protein content were significantly influenced due to different levels of zinc. The per cent increase was to the tune of 10.21 in case of grain yield, 7.76 in case of stover yield and 4.15 in case of protein content

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