China must protect high-quality arable land.
Xiangbin
X
Kong
D000383:Agriculture / Q000592:standards* / Q000706:statistics & numerical data* / Q000639:trends; D002681:China; D003247:Conservation of Natural Resources / Q000639:trends; D003625:Data Collection; D005523:Food Supply / Q000706:statistics & numerical data; D012987:Soil / Q000592:standards*
D012987:Soil