如今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变(biàn )了察汗淖尔湿地周边农业形态。庞学峰(fēng )给记(jì )者(zhě )算了一笔账:种植燕麦草(cǎo ),只搞“雨养”农(nóng )业,不使用(yòng )地下水(shuǐ )。成本下降,加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比种甜(tián )菜增(zēng )加(jiā )200元人民币(bì )左右。
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