如(rú )今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水(shuǐ )定(dìng )粮改变(biàn )了察汗淖尔湿(shī )地周边农业(yè )形态。庞学峰给记者算(suàn )了一笔(bǐ )账(zhàng ):种植燕(yàn )麦草,只(zhī )搞“雨养”农业,不使用地下水。成本下降(jiàng ),加上(shàng )轮作(zuò )和“水改旱”补贴,亩效益可比种甜菜增加200元人民币左右。 -
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