如(rú )今燕麦草(cǎo )、小(xiǎo )杂粮、覆膜(mó )马(mǎ )铃薯等耐旱(hàn )作物“当家”,以水定粮改(gǎi )变了察(chá )汗淖尔湿地(dì )周边农业形态。庞学峰给记者算了(le )一笔(bǐ )账:种植燕麦草,只搞“雨养”农业(yè ),不使用地(dì )下水。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200元人民币(bì )左右。
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