如(rú )今燕(yàn )麦草、小杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当(dāng )家”,以(yǐ )水定粮改变(biàn )了察汗淖尔湿(shī )地周边(biān )农业形态。庞学峰给记者算(suàn )了一笔账:种植(zhí )燕(yàn )麦(mài )草,只搞“雨养”农业,不(bú )使(shǐ )用地下水。成本下降,加上轮作(zuò )和“水改旱”补贴,亩(mǔ )效(xiào )益可比种甜菜增加200元人民币左右。 -
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