如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定(dìng )粮改变了察汗淖(nào )尔湿地周边农业形态。庞学峰给(gěi )记(jì )者算了一笔(bǐ )账(zhàng ):种(zhǒng )植燕(yàn )麦草,只搞“雨养”农业,不使用地(dì )下水。成本(běn )下降,加上轮作和(hé )“水改旱”补贴,亩效(xiào )益(yì )可比种甜菜增加200元人民币左(zuǒ )右。 -
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