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Published on: March 15, 2017
Selecting tolerant grass seedlings and analyzing the possibility for using aged refuse as sward soil
Guangke Li1, Xiaofang Liu, Ming Han
1College of Environment and Resource, Center of Environmental Science and Engineering, Shanxi University, Taiyuan, Shanxi 030006, PR China.
Ecotoxicology and Environmental Safety
|December 29, 2009
Summary
Recycling aged refuse as sward soil is possible if tolerant grasses like tall fescue are selected. Controlling exposure conditions is crucial to mitigate negative impacts on grass growth and physiology.
Area of Science:
- Environmental Science
- Agronomy
- Soil Science
Background:
- Aged refuse presents a potential resource for sward soil creation.
- Understanding plant responses to aged refuse leachate is vital for sustainable recycling.
Purpose of the Study:
- To evaluate the suitability of aged refuse leachate for use as sward soil.
- To determine the tolerance of key grass species to aged refuse leachate.
Main Methods:
- Assessing the growth and chlorophyll content of perennial ryegrass, tall fescue, and annual bluegrass exposed to aged refuse leachate.
- Investigating the physiological responses of tall fescue, including antioxidant enzyme activity and oxidative damage markers, under varying leachate concentrations and exposure durations.
Main Results:
- Seedling growth was inhibited by aged refuse leachate, with effects intensifying at longer durations and higher concentrations.
- Tall fescue exhibited greater tolerance, showing better growth and chlorophyll content under shorter exposure times and lower concentrations.
- Prolonged exposure to higher leachate concentrations induced lipid peroxidation and protein oxidation in tall fescue, altering its antioxidant status.
Conclusions:
- Aged refuse can potentially be recycled as sward soil, contingent on careful management.
- Selection of stress-tolerant grass species, such as tall fescue, is essential.
- Controlling leachate concentration and exposure duration is critical for successful implementation.
