如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当(dāng )家(jiā )”,以(yǐ )水(shuǐ )定粮改变(biàn )了察汗(hàn )淖尔湿(shī )地周边农业形(xíng )态。庞学峰给(gěi )记者算了一笔账:种植(zhí )燕麦(mài )草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降,加上轮作和“水(shuǐ )改旱”补贴,亩效益可比种(zhǒng )甜菜增加200元人民币左右。
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