如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱(hàn )作物“当(dāng )家”,以水定粮改变了察汗(hàn )淖尔湿地周边农(nóng )业形态。庞学(xué )峰(fēng )给记者算了一笔账:种植(zhí )燕麦草,只搞“雨养”农(nóng )业,不使用地(dì )下水。成(chéng )本(běn )下降,加上(shàng )轮作和“水改旱”补贴,亩效益(yì )可比(bǐ )种甜菜增加200元人民币左右。 -
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