如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作(zuò )物“当家”,以(yǐ )水(shuǐ )定粮改变了察(chá )汗淖尔湿地周边(biān )农业形(xíng )态。庞学(xué )峰给(gěi )记者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水改(gǎi )旱(hàn )”补贴,亩效(xiào )益可比(bǐ )种甜菜增加200元人民币(bì )左右。 -
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