Questions and Answers
What is soil primarily composed of?
Minerals, organic matter, water, and air
What role does soil play in plant growth?
Provides support, nutrients, and water to plants
Why is soil considered a non-renewable resource?
It takes centuries to form and can be depleted faster than it forms
Study Notes
Soil Composition
- Soil is primarily composed of 45% minerals, 25% water, 25% air, and 5% organic matter
Soil's Role in Plant Growth
- Soil provides physical support and anchorage for plant roots
- Soil supplies plants with essential nutrients, water, and air
- Soil's pH level and nutrient availability affect plant growth and development
Soil as a Non-Renewable Resource
- Soil formation is a slow process, taking hundreds to thousands of years
- Soil erosion and degradation are significant concerns, as they can lead to irreversible soil losses
- Soil conservation and sustainable management practices are crucial to preserve this valuable resource
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