如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物“当家”,以水定粮(liáng )改变了察汗淖尔湿地(dì )周边(biān )农业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不使用(yòng )地下水。成本下降,加(jiā )上(shàng )轮作和“水改(gǎi )旱”补贴,亩(mǔ )效(xiào )益可比种甜菜增加200元人民币(bì )左(zuǒ )右。 -
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