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۱Effect of Nitrogen Levels, Diatomite and Potassium Silicate Application on Yield and Chemical Composition of Wheat (Triticum aestivum L.) Plants
نویسنده(ها): ، ، ،
اطلاعات انتشار: World Applied Sciences Journal، بيست و پنجم،شماره۸، ۲۰۱۳، سال
تعداد صفحات: ۵
A field experiments were conducted two winter seasons of 2010\2011 and 2011\2012 in the private farm, Shebeen El Kanater Qalubia Governorate, Egypt to study the effect of three levels of nitrogen fertilizers with two type of foliar application of silicon (diatomite and potassium silicate) on yield and chemical composition of wheat plants. Data showed that increasing the levels of nitrogen with diatomite and potassium silicate as foliar application increased fresh, dry weight, chlorophyll a, b, carotenoids and N, P, K content of wheat plants at 70 days after planting (DAP). The addition of 100 kg N\feddan (one feddan=0.42ha) with 5% potassium silicate resulted in a remarkable effect on all parameters as compared with control. It was observed that the application of 150 kg N\fed + 5% diatomite increased the biological yield, crop and harvest index than the addition of 50 or 100 kg N\fed + 5% K SiO . While, addition 2 4 of 100kg N\fed + 5% K2SO4 was more pronounced effect on biological yield, crop and harvest index than any treatments. It was noticed the addition of 100 kg N\fed with 5% K2SiO4 as foliar application had a remarkable effect on total and uptake– NPK and protein as compared with 50 or 150 kg N\fed with K2SiO4 as foliar application.
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