Fine-Root Responses of Populus tomentosa Forests to Stand Density
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Experimental Design
2.3. Data Collection
2.4. Fine Root Analysis
2.5. Soil Analysis
2.6.Data Analyses
3. Results
3.1. Differences in Soil Available Nutrients
3.2. Responses of Fine-Root Biomass
3.3. Differences in Fine-Root Morphology
3.4. Differences in Fine-Root Nutrient Content
4. Discussion and Conclusions
4.1. Defining Fine Roots
4.2. Morphological Characteristics of 1–3-Order and >3-Order Fine Roots
4.3. Variation in Fine Root Traits under Differing Stand Density
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Organic Matter | Total N | Available P | Available K | pH | Bulk Density | Total Porosity | Field Capacity |
---|---|---|---|---|---|---|---|
g/kg | g/kg | mg/kg | mg/kg | g/cm3 | % | % | |
8.6 ± 0.13 | 0.6 ± 0.09 | 8.1 ± 0.11 | 90 ± 0.08 | 8.6 ± 0.12 | 1.4 ± 0.11 | 47 ± 0.09 | 26 ± 0.12 |
Stand Density | T1 | T2 | T3 |
---|---|---|---|
Basal area (m2) | 132 | 288 | 360 |
Mean DBH (cm) | 12.4 ± 0.31 | 18.1 ± 0.24 | 16.4 ± 0.13 |
Mean Dominant Height (m) | 14.6 ± 0.25 | 16.6 ± 0.12 | 17.6 ± 0.35 |
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Bo, H.; Wen, C.; Song, L.; Yue, Y.; Nie, L. Fine-Root Responses of Populus tomentosa Forests to Stand Density. Forests 2018, 9, 562. https://doi.org/10.3390/f9090562
Bo H, Wen C, Song L, Yue Y, Nie L. Fine-Root Responses of Populus tomentosa Forests to Stand Density. Forests. 2018; 9(9):562. https://doi.org/10.3390/f9090562
Chicago/Turabian StyleBo, Huijuan, Chunyan Wen, Lianjun Song, Yatao Yue, and Lishui Nie. 2018. "Fine-Root Responses of Populus tomentosa Forests to Stand Density" Forests 9, no. 9: 562. https://doi.org/10.3390/f9090562