الفهرس 
Nitrogen fertilizationOnly 14 pages are availabe for public view
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Abstract
The aim of this study is to investigate the effect of nitrogen fertilizer sonrccs and splitting of the nitrogen on wheat yield, yield components nitrogen phosphorus, potassiutll uptake, protein content, nitrogen use cllicicncy and assessment of available phosphorus and potassium in soil sanlplcs at dilTercnt time during growth season.