如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家(jiā )”,以水定粮改变了察(chá )汗(hàn )淖尔湿(shī )地(dì )周(zhōu )边农业形态。庞学峰给记者算了(le )一笔(bǐ )账:种植(zhí )燕麦草,只搞“雨养”农(nóng )业(yè ),不使用地下水。成本下(xià )降,加上(shàng )轮作和“水改旱”补贴,亩效益可比种甜(tián )菜增加200元人民币左右。 -
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