如今燕麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改(gǎi )变了察汗(hàn )淖尔湿地周边农业(yè )形态。庞学峰给记者算了(le )一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不使(shǐ )用(yòng )地下水。成本下(xià )降,加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩(mǔ )效益可比种甜菜(cài )增加(jiā )200元人民币左(zuǒ )右。
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