如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐(nài )旱作物“当家”,以水定粮改变了察汗淖(nào )尔湿(shī )地周边农业形态。庞学峰给记者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农业,不使用(yòng )地下水(shuǐ )。成本下降,加(jiā )上轮作和“水(shuǐ )改旱”补贴,亩效益(yì )可(kě )比种甜菜增加(jiā )200元人民(mín )币左(zuǒ )右。
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