共 3 条
[1]
20世纪90年代美国农业补贴改革研究.[D].左晖.武汉大学.2004, 04
[2]
Cost of meeting manure nutrient application standards in hog production: The roles of EQIP and fertilizer offsets
[J].
REVIEW OF AGRICULTURAL ECONOMICS,
2004, 26 (04)
:430-444