如(rú )今燕麦草、小杂粮、覆(fù )膜马(mǎ )铃薯(shǔ )等耐旱作(zuò )物“当家”,以水定(dìng )粮改变了察汗淖尔湿地周边农业形态。庞学峰(fēng )给记(jì )者算(suàn )了一笔账:种植燕麦草,只搞“雨养”农(nóng )业(yè ),不(bú )使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益(yì )可比种甜菜增加200元人民币(bì )左右。
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