地处川滇两省交界的元谋县姜驿乡阿拉益村，海拔约１９５０米，有农户１２２户４８５人，耕地面积６８０亩，其中田１４８亩，地５３２亩，自从１９８７年该村进行玉米地膜覆盖示范以来，通过农科部门的大力宣传和农户的示范对比，广大农户对玉米地膜覆盖有了新的认识，尝到了 Located at the junction of Sichuan and Yunnan Province Yuanmou County Jiang Yi Township Alai village, about 1,950 meters above sea level, 122 households with 485 people, 680 acres of arable land, of which 148 acres of fields, to 532 acres, since 1987 the village corn Since the demonstration of plastic film mulching, through the vigorous propaganda of the agricultural departments and the farmer demonstration, the majority of peasants have got a new understanding of the plastic mulching of corn and have tasted