如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家(jiā )”,以水(shuǐ )定(dìng )粮改变了察汗淖尔湿地周边农业形态。庞学峰给(gěi )记(jì )者算了一笔(bǐ )账:种植燕(yàn )麦草,只搞“雨养”农业,不(bú )使(shǐ )用(yòng )地下(xià )水。成(chéng )本下降,加(jiā )上轮作和“水改(gǎi )旱(hàn )”补贴,亩效益可(kě )比种甜菜增加(jiā )200元人民币(bì )左右。
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