Soil is a natural formation resulting from the transformation of surface rock by combination of climate, plant and animal life with ageing. The bedrock also influences soil pH as certain rocks produce certain soils.
For example, granite in Donegal and Wicklow produce acidic soils. There are 3 main soil structures: So soil contains not only Brown earth soils essay but organic humus and organo-mineral complex or chilate compounds.
They are the original rock that got broken down by weathering and erosion to form the basis of soil. It is a grayish or greenish soil found in the desert areas of the world. As colloids are charged particles hence they can be divided into two groups: Deposits of this can be found on the roof and these are called stalactites.
The colloidal complex increases the water holding capacity of soil and stores various nutrients for the growth of plants.
Soils which are quite acidic are peaty soils which have a ph value of less than 4and are found mainly in the mountainous areas of the west. Earthworm and many Wnds of insects are found in true soil which help to make the soil rich. Due to larger particle size, Brown earth soils essay spaces remain in between sand particles and through these empty spaces, air and water can easily pass through the soil.
Normally, it is brown or black. Oh and an answer on the karst landscape of the Burren! Soil Erosion and Conservation: The soil becomes polluted when the quantity of 13 elements decreases or increases irregularly due to industrial effluents.
The mild winters and warm summers of the Cool Temperate climate are ideal for the formation of humus. The capillary of soil reflects their energy for retaining water. Different kinds of crops are raised on desert soil wherever water supply is provided. This parent material does not contain any organic materials.
The sub-montage belt along the Siwalik foot hills is composed of alluvial fans with coarse soils. Clay is a kind of material that occurs naturally and consists of very fine grained material with very less air spaces.
Humus contributes to soil cation exchange capacity, water absorption and soil structure stability. Extensive afforestation, massive plantation, terrace cultivation in hilly areas, raising grasslands etc.
Marshy soils with a high quantity of vegetable matter frequently occur in the coastal areas of Orissa, West Bengal and Tamilnadu and in some areas of Bihar and Uttar Pradesh.
It is granular and consists of rocks and minerals particles that are very small. The clints are marked by depressions called karren.
Moderate levels of rainfall wash the nutrients into the soil but do not leach it. The structure of soil determines its degree of drainage and aeration. Because of its fertility, farmers and gardeners prefer a loamy soil. It is a deep coloured layer, representing the zone of maximum receipt of transported colloids.
E Uses of Soil: The soil contains the following gases: The texture of a soil describes how fine or coarse the particles of a soil feel.
The bottom layer is the bedrock Brown earths are fertile and very suitable for agriculture. Brown earths have a granular structure which allow for good aeration.
The texture of soil influences drainage, nutrient content and the degree of which plant roots can penetrate it.
This means that Brown Earth soils are well drained making them very fertile and ideal for agricultural purposes, as most plants will grow in a loam soil. This is the zone of eluviation in which most of the materials leached out of A-zone are precipitated.
Brown Earth soils have a crumb structure. Air content is also vital and determined by the soils peds.Composition and Characteristics of soil. The scientific study of soil is called pedology.
Soil is composed of both organic and inorganic matter, and it is essential for life on earth to exist. The soil type that i have studied is brown earths.
Brown earths are the most common soil type in Ireland and are very fertile. Of course, the desert soil and forest soil cover more areas, but these are not so much suitable for agriculture.
Alluvial Soil: This is a very important soil of India and about 24% of the total land surfaces are covered with this type of soil. Characteristics of Brown Earth Soils Essay GEOECOLOGY Describe and explain the characteristics of any one soil type you have studied. ( Q18, 80 marks) In this answer I will discuss the characteristics of the Brown Earth soil.
Essay # 4. Soil Layers of Earth: Soil is made up of rock which has been transformed into other layers due to vegetation and various micro and macro-organisms.
Several factors contribute to the formation of soil from the parent material. The soil type I have studied is brown earth soils. The key characteristics of soil are: colour, alkalinity, structure, humus content, texture and water content. These characteristics are affected by parent material, bedrock, topography, time and human activity.
Texture Brown Earth soils have equal amounts of silt, sand and clay particles giving them a loamy texture. The texture of a soil describes how fine or coarse the particles of a soil feel. The loamy texture of the Brown Earth soil means that there is space between the soil particles for air and water to pass through it.Download