如今(jīn )燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变了察(chá )汗(hàn )淖尔湿地周边农业形态。庞学峰给(gěi )记(jì )者算了一笔账:种植(zhí )燕(yàn )麦草,只搞“雨养”农业,不使用(yòng )地下水。成(chéng )本下降,加上(shàng )轮作和“水改旱(hàn )”补贴,亩效益可比种甜菜增加200元人民币左(zuǒ )右。
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