TY - GEN AU - Wu,Yiyun AU - Xi,Xican AU - Tang,Xin AU - Luo,Deming AU - Gu,Baojing AU - Lam,Shu Kee AU - Vitousek,Peter M AU - Chen,Deli TI - Policy distortions, farm size, and the overuse of agricultural chemicals in China SN - 1091-6490 PY - 2018///0904 KW - Agrochemicals KW - economics KW - China KW - Crop Production KW - Humans KW - Models, Economic N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1073/pnas.1806645115 ER -