如今燕麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿(shī )地(dì )周边(biān )农业(yè )形态。庞学峰给(gěi )记者算了一笔账:种植燕麦草,只搞“雨养”农业(yè ),不使用(yòng )地(dì )下水(shuǐ )。成本下(xià )降,加(jiā )上轮作和“水改旱(hàn )”补贴(tiē ),亩效益可(kě )比种甜菜增加200元人民币左(zuǒ )右。 -
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