如今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱(hàn )作物(wù )“当家”,以水定(dìng )粮改变了(le )察(chá )汗(hàn )淖尔湿(shī )地周边(biān )农业形态。庞学峰给记者算了(le )一笔账:种植燕麦草(cǎo ),只(zhī )搞“雨养”农业,不使用地下水。成本下降,加上轮作和“水改旱”补贴(tiē ),亩效(xiào )益可比种甜菜增加200元人(rén )民币(bì )左右。
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