如今燕麦草、小(xiǎo )杂(zá )粮、覆膜(mó )马铃薯等耐旱作物“当家”,以(yǐ )水定(dìng )粮改变了察(chá )汗淖尔湿地周边农业(yè )形态。庞学峰给(gěi )记(jì )者算了一笔账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业(yè ),不使用(yòng )地下水。成本下(xià )降,加上轮作和“水改旱”补贴,亩效益(yì )可比种甜菜增加(jiā )200元(yuán )人民币左右。 -
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