如今燕麦草、小杂粮、覆膜(mó )马铃薯等耐旱(hàn )作物“当家”,以水定(dìng )粮改变了(le )察汗(hàn )淖尔湿地周边农业形态。庞学峰给记者算了一笔(bǐ )账:种植(zhí )燕(yàn )麦草,只搞“雨养”农业,不(bú )使(shǐ )用地(dì )下水。成本下降,加上轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益(yì )可比种甜(tián )菜增加200元(yuán )人民币(bì )左右。
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