如今(jīn )燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物“当家”,以水(shuǐ )定粮改变了察汗(hàn )淖尔(ěr )湿地周(zhōu )边农业形态。庞学峰给记者算了一笔账:种植(zhí )燕(yàn )麦草(cǎo ),只搞“雨(yǔ )养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加上(shàng )轮作和“水改(gǎi )旱”补贴,亩效(xiào )益(yì )可比种甜(tián )菜增加200元人民币左右。
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