如(rú )今燕麦草、小(xiǎo )杂粮、覆膜马铃(líng )薯等耐旱作物“当家”,以(yǐ )水定粮改变了察汗淖尔湿(shī )地周(zhōu )边农业形(xíng )态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养”农业,不(bú )使用(yòng )地(dì )下(xià )水(shuǐ )。成本下降,加(jiā )上(shàng )轮作和(hé )“水改旱”补贴,亩效益(yì )可比种甜菜增加200元(yuán )人民币左右。
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