如今(jīn )燕麦草、小(xiǎo )杂粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水定(dìng )粮改变(biàn )了察汗(hàn )淖尔湿地周边(biān )农业形态。庞学(xué )峰给记者算了(le )一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下(xià )降(jiàng ),加上轮作和“水改旱”补(bǔ )贴(tiē ),亩效益(yì )可比种甜菜增加200元人民币左右。 -
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