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  如今燕麦草、小杂(zá )粮、覆(fù )膜马铃(líng )薯等(děng )耐旱(hàn )作(zuò )物“当(dāng )家”,以(yǐ )水定(dìng )粮改变了察(chá )汗(hàn )淖(nào )尔湿地(dì )周边(biān )农业形(xíng )态。庞(páng )学峰给记者算了(le )一笔(bǐ )账:种植燕麦(mài )草,只(zhī )搞“雨养”农业,不(bú )使(shǐ )用地下水。成(chéng )本下降,加(jiā )上(shàng )轮作和(hé )“水改旱”补(bǔ )贴(tiē ),亩(mǔ )效益可比种甜菜增加200元人(rén )民币左(zuǒ )右。

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