When the rivers and streams are full of soil deposits due to sedimentation and the valley levels up with the surface. In this paper, the diverse factors that cause soil erosion are assessed. Pdf soil is the most fundamental and basic natural resource for all life to survive. The rates of soil erosion that exceed the generation of new topsoil are a dynamic process which leads to decline in the soil productivity, low agricultural yield and income. Rajesh kumar mishra, tropical forest research institute. Another cause of accelerated exposure is that exposed subsoils may increase erosion on adjacent areas of a field. The flow of rivers and streams causes valley erosion. Soil is the most fundamental and basic natural resource for all life to survive. Soil erosion occurs when upper layers of soil are removed from their original location in the process that is either slow and goes unnoticed for long periods of time or can be sudden and cause immediate damage for example. The rate of erosion can be increased by activities other than those of humans. Effects of soil erosion on soil properties as related to. The primary causes are tillage, grazing, and cutting of timber. The causes and sources of land erosion generally include activities that.
The major objective of studying this lesson is to understand the. Water and wind erosion are two main agents that degrade. Soil erosion over decades can have detrimental effects on. The greatest challenge for sustainable soil management.
Available data indicate that the effects of land erosion are widespread. Runoff washes away the soil particles from sloping and bare lands while wind blows away loose and detached soil particles from flat and unprotected lands. The spectacular episodes of erosion, such as the soil blowing on. Soil compaction, low organic matter, loss of soil structure, poor internal.
Pdf effects of soil erosion on agricultural productivity. Causes of soil erosion soil erosion occurs when natural forces, such as wind and water, act on the soil. Soil erosion issues in agriculture ebook pdf jan 30, 2020 ebook by. Extensive erosion also minimizes the depth of soil available for water storage and rooting. Irving wallace library soil erosion issues in agriculture edited by danilo godone and silvia stanchi isbn 978 953 307 435 1 pdf isbn 978 953 51 4916 3 published 2011 10. This loss of cropland to the effects of soil erosion often results in the. Soil erosion is the detachment and movement of soil material. Soil erosion can be a slow process that continues relatively unnoticed or can occur at an alarming rate, causing serious loss of topsoil. The water flowing in the rivers and streams tend to eat away the soils along the water systems leading to a vshaped erosive activity.
Soil erosion effects on soil productivity southwest watershed. Man can also cause soil erosion by such practices as tilling a farmers field or the. Tillage erosion causes the thinning of soils on upper slope areas and can result in. The top soil is loaded with nutrients and organic matter critical for crop growth. Water and wind erosion are two main agents that degrade soils. Causes, effects and types of erosion water, wind, glacier. In agriculture, soil erosion refers to the wearing away of a fields topsoil by the natural physical.