FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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25%
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5%
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45%
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None of the above
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Detailed explanation-1: -The typical soil consists of approximately 45% mineral, 5% organic matter, 20-30% water, and 20-30% air. These percentages are only generalizations at best. In reality, the soil is very complex and dynamic.
Detailed explanation-2: -In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air. In order to sustain plant life, the proper mix of air, water, minerals, and organic material is required.
Detailed explanation-3: -Mineral-The largest component of soil is the mineral portion, which makes up approximately 45% to 49% of the volume.
Detailed explanation-4: -The four components of soil include: mineral matter 45%, organic matter 5%, air 25%, and water 25%.
Detailed explanation-5: -There is more to soil than weathered rocks (minerals) and worms. In fact, a typical soil is comprised of 50% solids and 50% pore (empty) space. To break that down even further a typical mineral soil is comprised of 45% minerals, 5% organic matter, 25% air, and 25% water.