如(rú )今(jīn )燕麦草、小(xiǎo )杂粮、覆膜(mó )马铃薯等耐(nài )旱(hàn )作物“当家”,以水定粮改(gǎi )变了察(chá )汗(hàn )淖尔湿地周边(biān )农(nóng )业形态。庞学峰给记者算(suàn )了一笔账:种植燕麦草,只搞“雨养”农业,不使用地(dì )下水。成本(běn )下降,加上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜(cài )增加(jiā )200元人民币左右。
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