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在对朝阳地区大量刺槐标准地调查基础上,查明了影响刺槐生长的立地主导因子为坡位与土层厚度,以主导因子分级组合法将朝阳地区刺槐立地划分为12个立地类型,并且采用树高和胸径同时进行立地质量评价,能够更加准确地反映林地生产力,将立地研究同各种经营措施有机地结合在一起。在立地分类、评价的基础上,根据辽西对各材种的需求状况将12个立地类型划分为檩材型、柱材型和把材型3个经营类型。不同经营类型具有不同的适宜密度,檩材型的最佳保留株数为750～900株/ha;柱材型为1350—1650株/ha,把材型为2400—2550株/ha。
Based on the survey of a large number of Robinia pseudoacacia in Chaoyang area, the dominant site factors affecting the growth of Robinia pseudoacacia were identified as slope position and soil layer thickness. The dominant locust classification was used to divide Robinia pseudoacacia into 12 site types in Chaoyang area. Tree height and diameter at the same time site quality evaluation, can more accurately reflect the productivity of woodland, site research and various management measures organically integrated. Based on the site classification and evaluation, 12 site types were classified into three types according to the demand status of each species in western Liaoning: timber type, column type and timber type. Different management types have different suitable densities. The optimal number of preserved leaves is 750-900 plants / ha, the column type is 1350-1650 plants / ha, and the material type is 2400-2550 plants / ha.