如(rú )今燕麦草、小杂粮、覆膜(mó )马(mǎ )铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地周边农业形态。庞学峰给记(jì )者算了一笔(bǐ )账:种植(zhí )燕麦草,只搞(gǎo )“雨养”农(nóng )业,不(bú )使用(yòng )地下水。成(chéng )本下降(jiàng ),加(jiā )上轮作和“水改旱”补贴,亩效益可比种甜(tián )菜(cài )增加200元人民币左右。 -
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