如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察汗淖尔湿(shī )地(dì )周边农业(yè )形态。庞学(xué )峰给记者算了(le )一笔(bǐ )账:种(zhǒng )植燕(yàn )麦草,只搞“雨养”农(nóng )业(yè ),不(bú )使用(yòng )地下水。成本下降,加(jiā )上轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比(bǐ )种甜菜增加200元人民币左右。
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