摘要
通过对杉阔轮栽模式及对照的杉木萌芽林土壤腐殖质及肥力的研究。得出结果：２６年生杉阔轮栽模式土壤有机质和全Ｎ含量增加．土壤生化活性加强．土壤速效养分供应量增强；土壤腐殖质、 Ｈ_(Ａ)（胡敏酸）／Ｆ_(Ａ)（富里酸）比值、Ｅ_(4)（胡敏酸光密度值）上升．Ｅ_(４)／Ｅ_(６)（胡敏酸吸收光谱曲线的斜率）变小；土壤松结合态和紧结合态腐殖质含量及其比值增加．土壤腐殖质活化度增强．土壤肥力得到明显改善。
The soil humus and fertility of the management pattern of planting broadleaf and Chinese fir alternatively(PBCA) and the Chinese fir stand regenerated from sprouts(CPRS) were studied. The results indicated that the soil organic matter and total N of 26-year-old PBCA stand increased. the activities of soil biochemistry strengthened. the amount of available nutrient supply enhanced. Soil humus. the ratio of HA/FA humic acid and E4 value increased. E4/E6 descended. loosely and tightly combined humus contents and its ratio ascended. the activation of soil humus enhanced. The soil fertility was improved obviously in PBCA stand.
出处
《东北林业大学学报》
CAS
CSCD
北大核心
2001年第1期30-33,共4页
Journal of Northeast Forestry University
基金
福建省自然科学基金
关键词
杉阔轮栽模式
杉木萌芽林
细柄阿丁枫
土壤腐殖质
土壤肥力
Pattern of planting broadleaf and Chinese fir alternatively (PBCA)
Chinese fir stand regenerated from sprouts(CPRS)
Altingia gracilipes
Soil humus: Soil fertility
