FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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dead orginisems
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dead pants
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your mama
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air
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Detailed explanation-1: -Humus:-Humus is a substance made from dead leaves and plants, that put into the ground to help plants grow. Humus is partially decayed organic matter. Function of humus: It makes soil porous, thereby increasing its air and water holding capacity. It is rich in nutrients (e.g., minerals) that promote plant growth.
Detailed explanation-2: -Humus is the organic component of the soil which is formed by deposition of leaves and other plant materials. The are deposited by soil micro-organisms.
Detailed explanation-3: -A colloidal mass, i.e. it holds many times its own weight in water-squeeze humus and water will come out. Humus contains nutrients in two forms: Soluble Ions-The water in humus dissolves and holds the critical plant nutrients (NO3-nitrate ion, NH4-ammonium ion, SO4 Sulphate ion).
Detailed explanation-4: -1. Humidity: Humidity is the concentration of water vapour present in the air. 2. Humus: Humus is dark, organic material thabhit forms in soil when plant and animal matter decays.