如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱(hàn )作(zuò )物(wù )“当家”,以水定粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰给(gěi )记者(zhě )算了(le )一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加上(shàng )轮作和(hé )“水改旱”补贴,亩效(xiào )益可比种甜菜增加200元人民币左(zuǒ )右。 -
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