如今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等耐旱作物“当家(jiā )”,以水定粮改变了(le )察汗淖尔湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一(yī )笔账:种植燕麦草,只搞“雨养”农(nóng )业(yè ),不使用地(dì )下水。成本下降,加(jiā )上轮作和“水(shuǐ )改旱”补贴,亩效益可(kě )比种甜菜增加(jiā )200元人(rén )民币左(zuǒ )右。 -
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