如(rú )今(jīn )燕麦草、小杂粮、覆膜(mó )马铃(líng )薯等耐旱(hàn )作物(wù )“当(dāng )家”,以水定粮改(gǎi )变了察(chá )汗淖(nào )尔湿地周边农业形态。庞学峰(fēng )给(gěi )记者算了一(yī )笔(bǐ )账(zhàng ):种植(zhí )燕麦草,只搞(gǎo )“雨养”农(nóng )业,不使用(yòng )地下水(shuǐ )。成本下降,加上轮作和(hé )“水改旱(hàn )”补贴,亩效(xiào )益可(kě )比种甜(tián )菜增加(jiā )200元(yuán )人(rén )民(mín )币左右。
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