4、土壤剖面的综合评述观察土壤剖面之后,要将观察记载的资料加以整理,进行综合评述,简要阐明其生产性能和障碍因素,对林木生长的影响,提出在土地利用、采伐方式、更新造林方面的意见。评述所调查土壤的生产性能,主要是指土层厚度、腐殖质层厚度、养分状况(根据腐植质层厚度、颜色和蚯蚓活动情况估测)、 4. Comprehensive Review of Soil Profile After observing the soil profile, the data recorded in the observation should be sorted out and comprehensively reviewed. The production performance and obstacle factors of the soil profile should be clarified briefly. The impact on the growth of trees should be briefly stated. The land use, harvesting methods, Aspects of the opinion. Commenting on the productive performance of the soils surveyed mainly refers to the thickness of the soil layer, the thickness of the humus layer, the nutrient status (based on the estimation of humus layer thickness, color and earthworm activity)