如今(jīn )燕麦草、小(xiǎo )杂粮、覆膜(mó )马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地周边农业形态。庞(páng )学峰给记者算了一笔(bǐ )账:种植燕(yàn )麦草,只搞“雨养”农(nóng )业,不使(shǐ )用(yòng )地下水(shuǐ )。成本下降,加上(shàng )轮作和“水(shuǐ )改旱”补(bǔ )贴(tiē ),亩效益(yì )可比种甜菜增加200元(yuán )人民币左右。 -
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