如今燕麦草、小杂粮、覆膜马铃薯(shǔ )等(děng )耐(nài )旱作物“当家”,以(yǐ )水定粮改变了察(chá )汗淖尔湿地周边农(nóng )业形态。庞学峰给记者算了(le )一笔账:种植燕(yàn )麦草(cǎo ),只搞(gǎo )“雨养”农业,不使(shǐ )用(yòng )地下水。成本下降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可(kě )比种甜菜增加200元人民币(bì )左右。
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