如今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等耐旱(hàn )作物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔湿地周边农(nóng )业形态。庞学(xué )峰给记(jì )者算了一笔账:种植燕麦(mài )草(cǎo ),只搞(gǎo )“雨养”农业,不(bú )使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜增加200元(yuán )人民币左(zuǒ )右。 -
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