全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Samad Emamgholizadeh , Shahin Shahsavani , Mohamad Amin Eslami
来源:[J].Chinese Geographical Science(IF 0.5), 2017, Vol.27 (5), pp.747-759Springer
摘要:Soil macronutrients (i.e. nitrogen (N), phosphorus (P), and potassium (K)) are important soils components and knowing the spatial distribution of these parameters are necessary at precision agriculture. The purpose of this study was to evaluate the feasibility of different m...
作者:... Somayeh Akhlaghi , Shahin Shahsavani , Naser Farrokhi
来源:[J].Communications in Soil Science and Plant Analysis(IF 0.42), 2011, Vol.42 (6), pp.719-727Taylor & Francis
摘要:The effects of urea foliar application rates at different growth stages of wheat on protein and yield of winter wheat were evaluated in a factorial experiment. Time of application and amounts of urea foliar application rates were the treatments. Urea was applied at four stag...

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