如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以(yǐ )水定(dìng )粮改变(biàn )了察汗淖尔湿地周边农(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(nóng )业,不使用地(dì )下水。成(chéng )本下降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比(bǐ )种甜菜增(zēng )加(jiā )200元(yuán )人民币左右。 -
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