近几年来,不少农民只重视眼前利益而忽视了用地与养地结合的长远打算,突出表现在秸秆不能还田上。秸秆还田虽然已提倡多年,但至今仍未引起足够的重视和广泛的应用。目前,多数农户的作法仍是将大部分作物秸秆卖掉或烧掉,而对土壤肥力的维持则是依靠投入大量化肥。长期下去,土壤理化 In recent years, many peasants have only paid attention to the immediate interests and neglected the long-term plan of combining land use with land conservation, highlighting that straw can not be returned to the fields. Although straw has been advocated for many years, it has not yet attracted enough attention and extensive application. At present, most peasant households still sell or burn most of their crop straws, while maintaining soil fertility relies on investing large quantities of fertilizers. Long term, soil physics and chemistry