Thursday, September 26, 2019
Modual 6 questions see below Coursework Example | Topics and Well Written Essays - 500 words
Modual 6 questions see below - Coursework Example Industrial farming quickly utilize the top soil. When the top soil is exhausted the land remains bare, and the farmers clear trees for more virgin lands. Since its inception, a third of the earthââ¬â¢s topsoil has been lost. Making the Industrial farming one of the largest enemy of the soil. The soil is diminishing in quantity and quality in Midwestern areas. This is due to the heavy agricultural machinery that compact the soil leaving behind heterogeneous clamps that are loose and impermeable to rainwater leading to erosion. Plant roots are unable to penetrate the land and the reverse process of compaction will require decades to occur. Sahel is another location with diminished quality and quantity of soil. The consequences include the region moving more into a desert periphery. The regions now experience hot days and harsh winds. A large portion of the soil has turned into stone hard soil that water and plant roots are unable to filter or penetrate. The lands stretching from the northern Africa are also having poor quality and quantity of soil. This is due to human activities such as overgrazing and deforestation. The consequences of their action are desertification and huge famine in 1980s that killed over 100,00o people in the region (Richardson, 2008) Soil is the mixture of fine matter consisting of organic remains, rock particles and clay. It forms the top most layer of the earth and support plant growth. It is normally black or dark brown in color and act as a habitat for some animal as insects and worms. Soil erosion comprises of the removal of the earths top soil that has no vegetative cover by surface runoffs and other agents. This top soil is normally rich in humus and the best for plant growth. Soil erosion occurs when agents as wind and water flow over the soil carrying the loose top soil and depositing it at other places like riverbanks and the ocean. Soil desertification is the degradation of land due to loss
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