如(rú )今(jīn )燕麦草、小杂粮(liáng )、覆膜马铃薯(shǔ )等耐旱作物“当(dāng )家”,以水定粮改(gǎi )变了察(chá )汗淖尔湿地周边(biān )农业(yè )形态。庞学峰给记者算了一笔账:种植(zhí )燕麦草,只搞“雨养”农业,不使用(yòng )地(dì )下水。成本下降(jiàng ),加上(shàng )轮作和“水改旱(hàn )”补贴,亩效益可比种甜(tián )菜增加200元人民币左右。 -
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