如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马(mǎ )铃薯等耐旱(hàn )作物“当家”,以水定(dìng )粮改变了察汗淖尔湿地周边农业形态。庞学峰给记者算了(le )一笔账:种植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用(yòng )地下水(shuǐ )。成本(běn )下降,加(jiā )上轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加(jiā )200元人(rén )民币左右。
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