如今燕麦草、小杂(zá )粮、覆(fù )膜马(mǎ )铃薯等(děng )耐旱作(zuò )物(wù )“当家”,以(yǐ )水定(dìng )粮改(gǎi )变了察汗(hàn )淖(nào )尔湿地周边(biān )农业(yè )形态。庞学峰(fēng )给(gěi )记者算了(le )一笔账:种(zhǒng )植(zhí )燕麦(mài )草,只搞“雨养”农业,不使(shǐ )用(yòng )地下水。成本下降(jiàng ),加上轮作和“水(shuǐ )改(gǎi )旱(hàn )”补(bǔ )贴,亩效(xiào )益可(kě )比种甜菜(cài )增加200元人民币(bì )左右。
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