如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆(fù )膜马铃薯(shǔ )等(děng )耐旱作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地(dì )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(yè ),不使(shǐ )用地(dì )下水。成本下降,加(jiā )上(shàng )轮作和“水改旱(hàn )”补贴(tiē ),亩(mǔ )效益可比种甜菜增加200元人(rén )民币左右。 -
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