如(rú )今(jīn )燕麦(mài )草、小杂粮、覆膜马铃薯等耐旱(hàn )作(zuò )物“当家”,以水定粮改(gǎi )变了察汗淖尔湿地周边农(nóng )业形态。庞学(xué )峰给记者(zhě )算了一笔账:种植燕麦草(cǎo ),只搞“雨养”农业,不(bú )使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水(shuǐ )改旱”补贴(tiē ),亩效(xiào )益可比种甜菜增加(jiā )200元人民币(bì )左右。
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