Journal of Food, Agriculture and Environment

Influence of bio and mineral nitrogen fertilizers on productivity of some bread wheat varieties

Author(s):

S.A.S. Mehasen ¹, Shimaa A. Badawy ^{2 *}, S. Sh. Abdullah ³

Recieved Date: 2015-01-11, Accepted Date: 2015-03-20

Abstract:

This study was conducted to determine the effect of five bio and mineral nitrogen fertilizer levels (Control, 37.5kg N/fed, 75kg N/fed, 37.5kg N/fed+Inoc. and 75 kg N/fed+Inoc.) on yield, yield components and chemical properties of three bread wheat varieties (Sids12, Misr2 and Gemmaza 11) during 2012/2013 and 2013/2014 seasons. Results showed that Gemmeiza 11 variety gave the highest values of plant height, spike length, No. of spikelets spike^-1, No. of grains spike^-1, grain weight spike^-1, grain index, grain yield fed^-1, straw yield fed^-1, N and protein% in grains, protein yield fed^-1 and carbohydrate yield fed^-1 in both seasons. Plant height, No. of spikes m^-2, spike length, No. of spikelets spike^-1, No. of grains spike^-1, grains weight spike, grain index, grain yield fed^-1, straw yield fed^-1, N and protein% in grains, protein yield fed^-1 and carbohydrate yield fed^-1 increased significantly by increasing N mineral fertilizer levels and bio-inoculation, whereas carbohydrate% decreased by increasing N mineral fertilizer levels and bio-inoculation in both seasons. Significant effect of interaction between bread wheat varieties and bio and mineral nitrogen fertilizers was obtained for plant height, No. of spikes m^-2 and grain weight spike^-1 in the first season only. Plant height, No. of spikes m^-2, spike length, No. spikelets spike^-1, No. of grains spike^-1, grain weight spike^-1, grain index and straw yield fed^-1 were highly significantly correlated with grain yield fed^-1. Generally, it can be concluded that sowing Gemmeiza 11 variety combined with 75 kg/fed+Inoculation or 37.5 kg/fed + Inoculation is the recommended treatment to improve the productivity of wheat crop under the study conditions.

Keywords:

Chemical properties, inoculation of grains, N-levels, Triticum aestivum L., yield, yield components

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Journal: Journal of Food, Agriculture and Environment
Year: 2015
Volume: 13
Issue: 2
Category: Agriculture
Pages: 162-167

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