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Question on the study of soil.

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.
Created by: Candace7
Popular Earth Science sets




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