如今(jīn )燕(yàn )麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地(dì )周边农业(yè )形态。庞学峰给记(jì )者(zhě )算了一笔(bǐ )账(zhàng ):种植燕麦(mài )草,只搞“雨养”农业,不使用地(dì )下(xià )水。成本下降(jiàng ),加上轮作和“水改旱(hàn )”补贴,亩效(xiào )益可比种甜菜增加200元(yuán )人民币(bì )左右。 -
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