如(rú )今(jīn )燕(yàn )麦草、小(xiǎo )杂粮、覆膜马铃薯等耐(nài )旱作物“当家”,以水定粮改变了察(chá )汗淖尔湿(shī )地周边农(nóng )业形态。庞学(xué )峰给记者算(suàn )了一笔账:种植燕麦草,只搞“雨养”农(nóng )业(yè ),不使用(yòng )地下水。成本下降,加上轮作和“水改旱”补贴,亩效益(yì )可比种甜菜增加(jiā )200元人民币(bì )左右。 -
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