如今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物(wù )“当家”,以水定粮改变了察(chá )汗淖尔湿地(dì )周边农业形态。庞学峰给记(jì )者(zhě )算了(le )一笔账:种(zhǒng )植燕(yàn )麦草(cǎo ),只搞“雨养”农业,不使(shǐ )用(yòng )地下水。成本下降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比(bǐ )种甜菜(cài )增(zēng )加200元(yuán )人民币左右。 -
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