如(rú )今燕(yàn )麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱(hàn )作(zuò )物“当家(jiā )”,以水定粮改变(biàn )了(le )察汗淖尔湿(shī )地周边(biān )农业(yè )形态(tài )。庞学峰给记者(zhě )算(suàn )了一笔账:种植燕麦草,只(zhī )搞“雨养”农(nóng )业,不使(shǐ )用地(dì )下水(shuǐ )。成本下降,加(jiā )上轮作和“水(shuǐ )改(gǎi )旱(hàn )”补(bǔ )贴,亩效(xiào )益可比种甜菜(cài )增加200元人(rén )民币左右。
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