如今(jīn )燕麦草、小杂粮、覆膜马铃薯(shǔ )等耐旱作物“当家”,以水定粮改(gǎi )变了察汗淖尔湿地周(zhōu )边农(nóng )业形(xíng )态。庞学峰给记(jì )者算了一笔账(zhàng ):种植燕麦草,只(zhī )搞(gǎo )“雨养”农业,不使用(yòng )地下水。成本下降,加上(shàng )轮作和“水(shuǐ )改(gǎi )旱”补贴,亩效(xiào )益可比种甜菜增加(jiā )200元(yuán )人民币左右。 -
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