如今(jīn )燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察汗淖尔湿(shī )地周边农业形态。庞学(xué )峰给记(jì )者算了一笔账(zhàng ):种植燕麦草,只搞(gǎo )“雨养”农业,不使(shǐ )用地下(xià )水。成本(běn )下降,加(jiā )上轮(lún )作和(hé )“水改旱”补贴(tiē ),亩效益(yì )可比种甜菜增加(jiā )200元人民币左(zuǒ )右。 -
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