N utilization rate 第1页

STUDY ON NITROGEN MIGRATION IN PURPLE SOIL AND NITROGEN UPTAKE BY RICE Effects of humic acid urea on yield and nitrogen absorption,assimilation and quality of ginger THE EFFECT OF TITANIUM ON THE UPTAKE OF NITROGEN AND WHEAT YIELDS BY USING ~(15)N-AMMONIA SULPHATE Effect of Fertilizer Being Bag-controlled Release on Nitrogen Utilization Rate, Growth and Fruiting of Zhanhua Winter Date ( Zizyphus jujuba Mill. var. inermis Rehd. ) Effect of Fertilizer Being Bag-controlled Release on Nitrogen Utilization Rate, Growth and Fruiting of Zhanhua Winter Date ( Zizyphus jujuba Mill. var. inermis Rehd. )