如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当(dāng )家(jiā )”,以水定粮改变(biàn )了(le )察汗淖(nào )尔(ěr )湿地周边(biān )农业(yè )形(xíng )态。庞学(xué )峰给记者算(suàn )了一(yī )笔(bǐ )账:种植(zhí )燕麦草(cǎo ),只(zhī )搞(gǎo )“雨养”农业,不使(shǐ )用地下水。成本下降,加(jiā )上轮作(zuò )和“水改旱”补(bǔ )贴,亩效益可(kě )比种(zhǒng )甜(tián )菜增加200元(yuán )人民币左(zuǒ )右(yòu )。
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