如今(jīn )燕麦草(cǎo )、小杂粮(liáng )、覆膜马(mǎ )铃薯等耐旱(hàn )作物“当家”,以(yǐ )水定粮改变了察汗(hàn )淖(nào )尔湿(shī )地周边农(nóng )业形(xíng )态。庞学峰给记(jì )者算了一笔账:种植燕(yàn )麦草,只搞“雨(yǔ )养”农(nóng )业,不使用地(dì )下水(shuǐ )。成(chéng )本下(xià )降,加(jiā )上轮作和(hé )“水(shuǐ )改(gǎi )旱”补贴,亩效益可比种甜菜(cài )增加(jiā )200元(yuán )人民币左右。
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