如(rú )今燕麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物(wù )“当(dāng )家”,以水定粮改变了察(chá )汗淖尔湿地(dì )周边农业形态。庞学峰给记者算(suàn )了一笔账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成本下(xià )降,加(jiā )上(shàng )轮作和(hé )“水改(gǎi )旱”补贴(tiē ),亩效益可比种甜菜增加200元人民币左右。 -
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