如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆膜(mó )马铃薯等耐旱作物“当(dāng )家”,以水定粮(liáng )改变了察汗淖(nào )尔湿地周边农业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本(běn )下降,加(jiā )上(shàng )轮作和“水改旱”补贴(tiē ),亩(mǔ )效益可比种甜菜增加200元人(rén )民币左右。 -
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