Question

Compare the soil profiles of the desert and the forest and write two differences between them.

Answer 1

Answer:

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Explanation:

the tropical rainforest soils. They contain very little or- ganic matter partly because there is very little vegeta- tion and partly because any organic matter is quickly broken down by the hot sun. The desert soils lack the dark surface organic horizon of most other world soils.Vegetation regions can be divided into five major types: forest, grassland, tundra, desert, and ice sheet. Climate, soil, the ability of soil to hold water, and the slope, or angle, of the land all determine what types of plants will grow in a particular region. Soil horizons differ from one another in composition (e.g. clay or organic matter content), physical properties (e.g. color or particle size), or chemical properties such as pH or CEC. ... An all-organic horizon (O horizon), typically occurs in wetlands or at the surface of forest soils.

Answer 2

Desert soils form in areas where the demand for water by the atmosphere (evaporation) & plants (transpiration) is much greater than precipitation.

Forest soils form where it is not too hot, and not too cold. The type of soil that forms depends on what type of vegetation grows.

Explanation:

Forest or Mountain Soil

• Forest or mountain soil is formed because of the mechanical weathering caused by rain, snow, temperature variation, and so on
• The soils are "heterogeneous in nature" & their character "changes" with mountainous altitude & environment.
• Mountain soil is very rich in humus, however, is deficient in phosphorous, lime, & potash.
• The soil is particularly suitable for plantation of coffee, tea, tropical fruits, & spices.
• Mountain soil contains a rich deposit of minerals & moisture, thus making it fertile for most livestock/crops.
• The soil is "silty & loamy" in valley sides & "coarse-grained" in the upper slopes. It is "acidic" with "low humus content" in the snow covered areas

Desert Soil

• Desert soils can only support little vegetation, mainly due to extremely low rainfall & extremely high temperatures.
• Most plants need water from the soil however rainfall in the desert is both low & irregular & cannot be depended on to maintain  the water in the soil replenished such that there is no "regular supply for plants".
• Because of the lack of vegetation and the rapid pace at which organic matter is broken down with excessive heat, desert soils are poor in organic matter.
• Desert soils range from "red to brown" in color. They are usually "sandy in structure" & "saline in nature". Because of the the dry climate, extremely high temperature & accelerated evaporation, desert soil lack humus & moisture. "Nitrogen" is insufficient & the "phosphate" content is normal.
• These are very healthy soils in many ways, with plenty of nutrients, but the scarcity of water and low levels of species in particular make them difficult to support vegetation..

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