如(rú )今燕麦草、小杂粮、覆膜马(mǎ )铃薯(shǔ )等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地周(zhōu )边农业形态。庞(páng )学峰给记(jì )者算(suàn )了(le )一笔账(zhàng ):种植(zhí )燕麦草,只(zhī )搞(gǎo )“雨养”农(nóng )业,不使(shǐ )用(yòng )地下水。成本下降,加(jiā )上轮作和“水改旱”补贴,亩效益可(kě )比种(zhǒng )甜菜增加200元人民币左右。 -
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