如今燕麦草、小杂(zá )粮、覆膜马(mǎ )铃薯等耐旱作物“当(dāng )家”,以水定粮改变(biàn )了察(chá )汗淖尔湿地周边农业(yè )形态。庞学峰给(gěi )记者算了一笔账(zhàng ):种植燕麦草(cǎo ),只搞“雨养”农业,不使用(yòng )地下水。成本下(xià )降,加上轮作和“水(shuǐ )改旱”补贴,亩效益可(kě )比种甜菜增加200元人民币(bì )左右。 -
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