如(rú )今燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱作(zuò )物(wù )“当家”,以水定粮改变了察汗淖尔湿地周(zhōu )边(biān )农业形态。庞学峰给(gěi )记(jì )者算了一笔账:种植(zhí )燕(yàn )麦草,只搞“雨养”农业,不使(shǐ )用地下水(shuǐ )。成本下(xià )降,加(jiā )上(shàng )轮作和(hé )“水改旱”补(bǔ )贴,亩效益可比种甜菜增加200元人民币左右。 -
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