如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物“当家(jiā )”,以水定粮改变了(le )察汗淖尔(ěr )湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一(yī )笔账(zhàng ):种植燕(yàn )麦草,只搞“雨养”农业(yè ),不使(shǐ )用地下水(shuǐ )。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜增加200元人民币左右。
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