如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮(liáng )改(gǎi )变了察汗淖尔湿(shī )地周边农业形态。庞学峰给记者算了一笔账:种植燕麦草(cǎo ),只(zhī )搞(gǎo )“雨养”农业,不使(shǐ )用(yòng )地(dì )下(xià )水。成本下降,加上轮作和“水改旱”补(bǔ )贴,亩效(xiào )益可比种甜菜增(zēng )加200元人(rén )民币左右。
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