如今(jīn )燕麦草、小杂粮、覆膜马(mǎ )铃(líng )薯等(děng )耐旱(hàn )作物(wù )“当(dāng )家(jiā )”,以水(shuǐ )定(dìng )粮改(gǎi )变了察汗(hàn )淖尔湿地(dì )周边农业(yè )形(xíng )态。庞(páng )学峰(fēng )给记(jì )者算(suàn )了一笔账:种(zhǒng )植(zhí )燕麦草,只(zhī )搞“雨(yǔ )养”农业,不使(shǐ )用地下水。成本(běn )下降,加上轮作和(hé )“水(shuǐ )改旱”补贴(tiē ),亩效益(yì )可比种(zhǒng )甜菜增加(jiā )200元人民币左右。
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