如(rú )今(jīn )燕麦草、小杂粮、覆(fù )膜马铃薯(shǔ )等耐(nài )旱(hàn )作物(wù )“当家”,以水(shuǐ )定粮改变了察(chá )汗(hàn )淖尔(ěr )湿地周边农业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养”农(nóng )业,不使用地下水。成(chéng )本下降,加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比种甜菜增加(jiā )200元(yuán )人民币左右。
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