如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐(nài )旱(hàn )作(zuò )物(wù )“当家”,以水定粮改变(biàn )了察汗淖尔湿地周边农业形态。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(yòng )地(dì )下水(shuǐ )。成本下降,加上(shàng )轮作和“水改旱”补(bǔ )贴,亩效(xiào )益可比种甜菜增加200元人(rén )民币左右。 -
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