如今燕麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物“当(dāng )家”,以水定(dìng )粮改变(biàn )了察汗淖尔(ěr )湿(shī )地周边农业(yè )形态。庞学峰给记者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农业,不(bú )使用(yòng )地(dì )下水。成本下降,加上轮(lún )作和(hé )“水改旱(hàn )”补贴,亩效益可(kě )比(bǐ )种甜菜增加200元人民币左右。 -
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