如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯(shǔ )等耐旱(hàn )作物“当家”,以水(shuǐ )定(dìng )粮改变了察汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰给记者算了一笔(bǐ )账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地(dì )下水。成本下降,加(jiā )上轮作和“水改旱”补贴,亩(mǔ )效益可(kě )比种(zhǒng )甜菜增加200元(yuán )人民币左右。
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