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在（中国林副特产）1992年第3期发表的“山槐资源潜在危机”一文中谈到了“次生资源多，优质资源少的供不应求的矛盾”。笔者在参加1997年、1998年山槐采伐生产中发现；优质山槐与次生山槐比差悬殊。在万宝山经营所25休班采山槐同时，与采槐农工陈德学共同对几个山槐生息小区进
In the article entitled “The Potential Crisis of Locust Resources” published in the 3rd issue of China’s Afforestation Commission (1992), “contradictions in supply exceeding secondary resources and few high-quality resources” were discussed. The author found in 1997, 1998, the production of Sophora japonica; quality Sophora japonica and secondary Sophora are very different. Operate in Wan Baoshan 25 Off-shift mining Sophora japonica at the same time, and mining Huai agricultural workers Chen Dexu common to several living areas of Sophora japonica