如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了(le )察汗淖尔湿地周边(biān )农业形态。庞学峰给(gěi )记者算了(le )一笔(bǐ )账:种植燕麦草,只搞(gǎo )“雨养”农业,不使用(yòng )地下水。成本下降(jiàng ),加上(shàng )轮作和“水改(gǎi )旱”补贴,亩效益可(kě )比种甜菜增加200元(yuán )人(rén )民币左(zuǒ )右。
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