拍卖“四荒地”使用权　加快土地资源开发艾云航土地历来是农业、农村和农民问题的焦点之一。拍卖＂四荒地＂（荒山、荒坡、荒沟、荒滩）使用权，是继农村实行以家庭联产承包为主的责任制后上地制度建设的又一次深刻变革和重大突破，由于它明晰了土地产权，延长了土地承包... Auction “four wasteland” right to speed up the development of land resources IY Air Land has always been the focus of agriculture, rural areas and peasants issues. The auction of “Four Badlands” (barren hills, barren slopes, waste ditches and waste beaches) is another profound change and a major breakthrough in the system construction after the implementation of the household responsibility system based on household contract co-production in rural areas. Since it Clear land property rights, extended land contract ...