如今燕麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱(hàn )作物“当(dāng )家”,以水定粮改变(biàn )了(le )察汗淖尔湿地周边(biān )农业形态。庞学峰给记者算(suàn )了一笔账:种植燕麦草,只(zhī )搞“雨养”农(nóng )业,不使(shǐ )用地下水(shuǐ )。成本下降(jiàng ),加上轮作(zuò )和“水改旱”补贴(tiē ),亩效(xiào )益可比种甜菜增加200元人民币左右。
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