如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变了察汗淖尔湿(shī )地(dì )周边农业形态。庞学峰给记(jì )者(zhě )算(suàn )了一笔账:种(zhǒng )植燕麦草,只搞(gǎo )“雨养”农业,不使用地下(xià )水。成本下降,加上(shàng )轮(lún )作和“水改旱(hàn )”补贴,亩效益可(kě )比种甜菜增加200元人民(mín )币左右。 -
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