如(rú )今燕麦草、小杂粮、覆膜马(mǎ )铃(líng )薯(shǔ )等(děng )耐旱作物(wù )“当家”,以水定粮改(gǎi )变了察(chá )汗淖尔(ěr )湿地(dì )周边农业(yè )形态(tài )。庞学(xué )峰(fēng )给记(jì )者算了一笔(bǐ )账:种(zhǒng )植燕麦草,只(zhī )搞(gǎo )“雨(yǔ )养”农业,不使用地下水。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱(hàn )”补(bǔ )贴,亩效益可比种甜菜增加200元人(rén )民(mín )币(bì )左右。
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