如(rú )今燕麦(mài )草、小杂粮、覆(fù )膜马铃薯(shǔ )等耐旱(hàn )作物“当家(jiā )”,以水定粮改变(biàn )了察汗(hàn )淖尔湿地周边农业形态。庞学峰给记者算了一笔账:种植燕麦草(cǎo ),只搞“雨养”农业,不使(shǐ )用地(dì )下水。成本下降,加上轮作和“水改(gǎi )旱(hàn )”补(bǔ )贴,亩效(xiào )益可比种甜菜增加200元人(rén )民币左右。 -
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