如(rú )今(jīn )燕(yàn )麦草、小杂粮、覆(fù )膜马铃(líng )薯等耐(nài )旱作物“当(dāng )家(jiā )”,以水定粮改变了察(chá )汗淖(nào )尔湿(shī )地(dì )周边农业形(xíng )态(tài )。庞(páng )学峰给记者(zhě )算了一笔账(zhàng ):种(zhǒng )植燕麦草,只(zhī )搞(gǎo )“雨养”农业,不使(shǐ )用(yòng )地下水。成本(běn )下(xià )降(jiàng ),加上轮作和“水改旱”补贴,亩效益(yì )可比(bǐ )种甜(tián )菜增加200元(yuán )人(rén )民币(bì )左(zuǒ )右。
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