如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆(fù )膜马铃薯(shǔ )等耐旱作物(wù )“当家”,以水定粮改变了察汗(hàn )淖(nào )尔湿(shī )地周边农业形态。庞(páng )学(xué )峰给记者算了一笔账(zhàng ):种植燕麦草(cǎo ),只搞“雨养”农业,不使用地下水。成本下降,加上(shàng )轮作和“水改旱”补贴,亩效(xiào )益(yì )可比种甜菜增加200元人民币左(zuǒ )右。
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