如(rú )今燕(yàn )麦草、小杂粮、覆膜马(mǎ )铃薯等(děng )耐旱作物“当家”,以水定粮改变(biàn )了察汗淖尔(ěr )湿(shī )地周边农(nóng )业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养”农(nóng )业(yè ),不使用地(dì )下水(shuǐ )。成本(běn )下降,加(jiā )上轮(lún )作和(hé )“水改旱(hàn )”补贴,亩效益可比种甜菜增加200元人民币左右。
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