如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察汗淖尔湿地(dì )周(zhōu )边农业形态。庞学峰给(gěi )记者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农(nóng )业(yè ),不使(shǐ )用地(dì )下水。成(chéng )本下(xià )降,加上(shàng )轮作和“水改旱(hàn )”补贴,亩效(xiào )益(yì )可比种甜菜增加200元人民币左(zuǒ )右。 -
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