如今(jīn )燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水(shuǐ )定粮改(gǎi )变了察汗淖尔湿(shī )地周边农业形态。庞学峰给(gěi )记者算(suàn )了一笔账:种植燕麦草,只搞“雨养”农业(yè ),不使用(yòng )地下(xià )水。成本下降,加(jiā )上轮作和“水改旱”补贴,亩效(xiào )益可比种甜菜增(zēng )加(jiā )200元人民币(bì )左(zuǒ )右。
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