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锟叫匡拷院锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷霞锟斤拷锟狡硷拷锟絡锟斤拷锟节★拷农业锟斤拷锟斤拷学锟斤拷锟斤拷Agricultural Economics锟斤拷锟斤拷锟斤拷锟斤拷锟铰筹拷全锟斤拷锟斤拷锟斤拷锟脚拷锟斤拷锟斤拷锟脚╋拷锟斤拷锟斤拷锟斤拷锟斤拷泻锟斤拷模锟斤拷怨锟斤拷农锟斤拷锟斤拷锟斤拷锟斤拷摹锟�
锟斤拷锟侥凤拷锟斤拷锟斤拷未锟斤拷锟斤拷锟斤拷锟斤拷浠拷锟轿匡拷锟斤拷影锟斤拷锟叫癸拷锟斤拷农业锟斤拷锟斤拷锟斤拷全锟斤拷28锟斤拷省8405锟斤拷锟斤拷锟斤拷锟酵癸拷锟脚╋拷锟斤拷慕锟斤拷锟斤拷锟斤拷荩锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷露群徒锟剿拷谋浠拷锟脚╋拷锟斤拷锞伙拷锟斤拷锟斤拷影锟届。锟叫撅拷锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷锟斤拷锟脚拷锟斤拷锟斤拷锟脚╋拷锟斤拷锟斤拷锟斤拷锟斤拷泻锟斤拷模锟斤拷怨锟斤拷农锟斤拷锟斤拷锟斤拷锟斤拷摹锟斤拷锟斤拷诳锟斤拷锟斤拷锟戒化锟斤拷农业锟侥革拷锟斤拷影锟届不锟角很大，碉拷锟矫革拷锟斤拷影锟斤拷锟斤拷锟金渐硷拷强锟斤拷锟斤拷锟狡★拷锟斤拷锟斤拷浠拷锟接帮拷锟揭诧拷锟斤拷诤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟届。锟斤拷锟较碉拷锟斤拷锟斤拷农业锟杰碉拷锟侥革拷锟斤拷影锟斤拷锟叫★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚┮碉拷艿锟斤拷母锟斤拷锟接帮拷锟杰达拷然锟斤拷锟斤拷锟斤拷锟叫撅拷没锟叫匡拷锟斤拷锟斤拷锟节匡拷锟斤拷水锟斤拷源锟斤拷锟侥变化锟斤拷农业锟斤拷锟杰诧拷锟斤拷锟侥硷拷锟接帮拷欤拷锟斤拷锟斤拷锟剿拷锟皆达拷锟斤拷谋浠拷锟斤拷泄锟脚┮碉拷锟接帮拷锟斤拷遣锟斤拷莺锟斤拷拥摹锟� 锟斤拷锟斤拷源锟斤拷锟叫匡拷院锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷农业锟斤拷锟斤拷学锟斤拷锟斤拷
Agricultural Economics锟斤拷DOI: 10.1111/j.1574-0862.2009.00379.x锟斤拷Jinxia Wang锟斤拷Robert Mendelsohn锟斤拷
锟斤拷锟斤拷锟侥讹拷锟斤拷英锟侥ｏ拷
锟斤拷农业锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
