如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐(nài )旱作物“当(dāng )家”,以水定粮改变了察汗淖尔湿(shī )地周边农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不(bú )使(shǐ )用(yòng )地下水(shuǐ )。成本下降,加(jiā )上轮作和“水改(gǎi )旱(hàn )”补贴,亩效益可比种(zhǒng )甜菜增加200元(yuán )人民币左右。 -
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