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Soil
Question on the study of soil.
Question | Answer |
---|---|
What is leaching? | Leaching occurs when a lot of water seeps into soil, pulling with it all the nutrients. |
What are the elements of soil? | Mineral particles, water, plant litter, air and living organisms. |
What is Humus? | Humus is organic decomposed plant litter. |
What is the role of living organisms in soil? | Living organisms such a fungi, earthworms, insects and burrowing animals break down the organic matter to form humus and allow air and water to pass through easier. |
What is role of water in soil? | Water binds the soil together and provides hydration for the roots of plants. |
What percentage is mineral matter in soil? | 45% |
Define the term hard pan. | Hard pan is when rainfall is heavy and then form a crust which prevents water from seeping through it. |
Where is red soil found? | Red soil is found in areas close to the equator with hot and wet equatorial climates. |