如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等(děng )耐旱作物“当(dāng )家”,以水定粮改变(biàn )了察汗淖尔湿地周边农业形态。庞学(xué )峰给记者算了一笔账:种植燕麦草,只搞“雨养(yǎng )”农业,不使(shǐ )用(yòng )地下水。成本下(xià )降,加上(shàng )轮作和(hé )“水改旱”补(bǔ )贴,亩效益(yì )可比种甜菜增加200元人民币左右。 -
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