如今燕(yàn )麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮(liáng )改变了(le )察汗淖尔湿地周边农业形态。庞学峰给记(jì )者算了(le )一笔账(zhàng ):种植(zhí )燕麦草,只搞(gǎo )“雨养”农业(yè ),不使(shǐ )用(yòng )地下水。成本下降,加上轮作和“水(shuǐ )改旱”补贴(tiē ),亩效(xiào )益可比种(zhǒng )甜菜增加(jiā )200元人民币(bì )左右。 -
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