如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水(shuǐ )定(dìng )粮改变了察(chá )汗(hàn )淖尔湿地周边农业形(xíng )态(tài )。庞(páng )学(xué )峰给记(jì )者算了(le )一笔账:种(zhǒng )植燕麦(mài )草(cǎo ),只搞(gǎo )“雨养”农业,不(bú )使用地下水(shuǐ )。成本(běn )下降(jiàng ),加(jiā )上轮作和“水改(gǎi )旱(hàn )”补(bǔ )贴,亩(mǔ )效益(yì )可比种(zhǒng )甜菜(cài )增加(jiā )200元(yuán )人民(mín )币(bì )左右。
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