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河南省柞林资源总面积在1500万亩以上。柞林是“一林多用”的经济树种,随着科技的进步,其用途越来越广阔,经济价值也随之提高。柞树,可称为世界性的水土保持优势树种。它除了有极强的耐寒、耐旱、耐瘠特点以外,林地吸水率、截留雨量、林木对土壤营养元素返回量均显著高于松、杉、桦、杨等树种。长期以来,山区人民就依靠柞林作燃料和换取经济收入,在人民生活中占有重要位置。利用柞林养蚕、缫丝织绸,是河南的优势产业。柞坡利用面积多达1000万亩。早在1921～1931年
The total area of oak forest in Henan Province is more than 15 million mu. The oak forest is the economic tree species of “one multi-purpose forest”. With the progress of science and technology, its use is more and more extensive, and its economic value also increases. Oak tree, can be regarded as the world’s dominant soil and water conservation species. In addition to its extremely hardy, drought-tolerant and barren-resistant characteristics, its water absorption, interception rainfall, and return of nutrient elements to forest soil were significantly higher than those of pine, fir, birch and poplar. For a long time, people in mountainous areas have relied on tussah forests for fuel and economic income, occupying an important position in people’s lives. The use of tussah sericulture, silk reeling, is the dominant industry in Henan. The use of oak area up to 10 million mu. As early as 1921 ~ 1931