如今燕(yan)麦草、小杂粮、覆(fu)膜(mo)马铃(ling)薯等(deng)耐旱作物“当家”,以水定粮改变(bian)了察汗淖尔湿(shi)地周边农业形(xing)态。庞学峰给记(ji)者算了一笔账:种(zhong)植(zhi)燕麦(mai)草(cao),只搞“雨养(yang)”农(nong)业(ye),不(bu)使(shi)用(yong)地(di)下水。成本下降,加上轮作和(he)“水改旱”补贴,亩效益可(ke)比种(zhong)甜菜增(zeng)加200元人(ren)民币(bi)左右。
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