如今(jīn )燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地(dì )周边(biān )农业形态(tài )。庞学(xué )峰给(gěi )记者算了一笔账:种植燕麦(mài )草,只搞“雨养”农业,不使(shǐ )用地(dì )下水。成本下(xià )降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加(jiā )200元人民币左右。
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