Vegetation Management in Plantation Forestry
Summary
Vegetation management in plantation forestry encompasses the suite of practices aimed at optimising tree growth and stand productivity by regulating competing plants and modifying understory conditions. Early in the rotation, seedlings are highly vulnerable to competition for light, water and nutrients from grasses, herbs, shrubs and invasive species. Mechanical weeding, herbicide spot application and integrated approaches are employed to reduce competition, accelerate canopy closure and enhance light interception by crop trees. Beyond establishment, the timing and intensity of interventions are adjusted according to site productivity, rainfall patterns and soil fertility dynamics. Well-timed control of competing vegetation not only increases wood volume yield but also minimises the need for repeated treatments, reduces herbicide inputs and supports broader ecosystem services such as soil conservation and biodiversity retention. Advances in modelling competition intensity and resource availability now allow managers to tailor vegetation management regimes across environmental gradients, balancing economic returns with ecological resilience.
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Vegetation Management in Plantation Forestry publication trend
The graph below shows the total number of articles in vegetation management in plantation forestry across all publications each year (not limited to Nature Index journals).
Technical terms
Understory vegetation: The layer of shrubs and herbaceous plants growing beneath the main tree canopy, often competing for light, water and nutrients.
Canopy closure: The stage in plantation development when tree crowns begin to touch, reducing light penetration to lower vegetation layers.
Herbicide spot application: Targeted chemical treatment applied to specific areas to suppress undesirable vegetation while minimising broader environmental impacts.
Competition intensity: A measure of the degree to which non-crop vegetation reduces resource availability for planted trees.
Nutrient utilisation efficiency: The ratio of biomass produced by plantation trees to the amount of nutrient absorbed from the soil.
References
- Growth Response to Weed Control and Fertilisation in Mid-Rotation Plantations of Eucalyptus pellita in South Sumatra, Indonesia. Forests (2021).
- Weed Coexistence in Eucalyptus Hybrid Stands Decreases Biomass and Nutritional Efficiency Mid-Rotation. Forests (2023).
- How Weed Control Affects Eucalyptus globulus Labill. Productivity: Results from Two Long-Term Trials. Forests (2023).
- Modelling the Effect of Weed Competition on Long-Term Volume Yield of Eucalyptus globulus Labill. Plantations across an Environmental Gradient. Forests (2018).
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