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大青沟自然保护区原来松树很少。近二十年来先后栽培樟子松、油松万余亩,一片片松林,逐渐发挥了防风固沙、改造自然的作用。为了把这些林木培育成优质材,抚育管理工作必须跟上。现根据多年实践谈谈我们的做法。一、定植后的前几年,结合林粮间作进行除草松土,没搞林粮间作的在定植后的三四年内,每年也应进行一至三次除草松土。
Daqinggou Nature Reserve, the original little pine. Over the past two decades has cultivated Pinus sylvestris, pine more than 10,000 acres, a piece of pine forest, and gradually play a wind and sand, the role of transformation of nature. In order to grow these trees into high-quality timber, tending and management must keep pace. Now based on years of practice to talk about our approach. First, a few years after planting, combined with forest intercropping weeding loosening, did not engage in intercropping of forest grain in the three or four years after planting, annual weeding should also be carried out one to three times.