如(ru)今燕(yan)麦草、小(xiao)杂(za)粮、覆膜马铃薯(shu)等耐旱作物“当家”,以水(shui)定粮改变了察汗(han)淖尔湿(shi)地(di)周边农(nong)业形态。庞学峰(feng)给记者算了(le)一笔(bi)账:种植燕(yan)麦草,只搞“雨养”农(nong)业,不使用地(di)下水。成本下降,加(jia)上轮作和“水改旱”补贴(tie),亩(mu)效(xiao)益可比种(zhong)甜菜(cai)增加(jia)200元(yuan)人民币左(zuo)右(you)。
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