如今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等耐(nài )旱作(zuò )物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔湿地周边农业形态。庞学峰给记者算了一笔账:种(zhǒng )植(zhí )燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地下水。成本(běn )下降,加上(shàng )轮作和“水改旱(hàn )”补贴,亩效益(yì )可比(bǐ )种甜菜(cài )增加200元人民币左右。 -
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