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Apr
This issue has been exacerbated by the use of high-end technological equipment. Soil erosion and sedimentation can be regarded as a natural form of agricultural pollution however it can also be harmful to the environment.
This practice depletes the soil of nutrients making the soil less productive over time reduces organic matter in soil and can cause significant erosion.
Soil erosion caused by agriculture. What causes soil erosion. Soil erosion refers to the process whereby the top layer of soil is removed. While it is a natural process caused by the weather it is also caused by human activity and it can cause harm to agricultural processes when it occurs rapidly and excessively.
One of the leading causes of soil erosion is deforestation. Although incredibly bad for the environment the slash-and. Erosion causes a deficiency in basic nutrients nitrogen phosphorus potassium calcium essential for agricultural production.
More present on the surface they leave with the runoff. It is in Asia Africa and South America that the erosion hits the highest. A loss of 30 to 40 tons of soil per hectare per year.
About 17 tonnes per year in Europe and the United States. On every continent this. Agriculture is a main driver of soil erosion by water.
Soil erosion by water is one of the most widespread forms of soil degradation in Europe. Approximately 116 of all erosion-prone land is estimated to have been affected by moderate or severe soil erosion more than 5 tonnes per hectare per year in 2016 in the EU-27 Figure 1. This concerned 43 million hectares.
The share of land in this category declined by. The loss of soil from land surfaces by erosion is widespread and reduces the productivity of all natural ecosystems as well as agricultural forest and pasture ecosystems Troeh et al 2004. Lal et al 2010.
Pimentel et al 2015. Concurrently with the growing human population soil erosion water availability climate change due to fossil fuel consumption. Natural- Or Industrial-Related Issue.
Negligent agricultural activities such as tillage break the soil surface into small pieces. This issue has been exacerbated by the use of high-end technological equipment. It is interesting to note that tillage influences wind erosion by dehydrating the land resulting in finer pieces of soil that can be easily picked up by the wind.
Erosion results in the degradation of a soils productivity in a number of ways. It reduces the efficiency of plant nutrient use damages seedlings decreases plants rooting depth reduces the soils water-holding capacity decreases its permeability. The Impact of Industrial Agriculture on Soil Health.
Industrial agriculture negatively affects soil health and the atmosphere by reducing organic matter and releasing carbon. The Effect of Monocropping on Soil Health. Monocropping is the practice of growing the same crop on the same plot of land year after year.
This practice depletes the soil of nutrients making the soil less productive over time reduces organic matter in soil and can cause significant erosion. Soil erosion is caused by several erosive agents like water air snow plants animal and humans. Therefore depending on the agents of erosion soil erosion is classified mainly as water erosion wind erosion.
In the process of soil erosion three distinct actions are involved. However depending on how agricultural expansion occurs an increase in soil erosion currently 800 million t yr 1 is expected with degraded pasture sugarcane and soybeans in order of importance representing the main contributors. The worst-case scenario involves expansion of agriculture into areas of native vegetation in the Brazilian Savannah Cerrado and rainforest.
This research presents a step forward in the mapping and quantification of soil erosion and sedimentation at agricultural plot scales caused by overland flow and concentrated surface runoff as distinguished from measurements at small sample plots or estimations by prediction models. The proposed method may be suitable when important soil detachment is produced especially during. Soil erosion is the displacement of the upper layer of soil.
It is a form of soil degradationThis natural process is caused by the dynamic activity of erosive agents that is water ice glaciers snow air wind plants animals and humansIn accordance with these agents erosion is sometimes divided into water erosion glacial erosion snow erosion wind aeolean erosion zoogenic. This ultimately causes protection of soil from erosion. It involves application of fertilizers to the soil either to make more fertile or to recover the fertility loss because of different physical actions.
Sometimes the erosion control practices like cover crops cropping system etc. Are not able to provide best result on erosion control due to poor vegetative. Agricultural practices such as burning and clearing of vegetation also reduce the overall vegetation cover.
As a result the lack of land cover causes increased rates of soil erosion. Trees and vegetation cover help to hold the soil particles together thereby reduces the erosive effects of. Soil erosion and sedimentation can be regarded as a natural form of agricultural pollution however it can also be harmful to the environment.
Farmers are often not aware of soil erosion and sedimentation and do not protect their fields against this issue. The agricultural aspect of soil erosion is well known since the problems of yield production and transport are present in almost all branches of water management. The inappropriate use of soil a ects the development of erosion processes resulting in degradation and the reduction of the infiltrationretention capacity of the soil.
This creates conditions for the frequent occurrence of.