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Much of the water used for irrigation has a high salt and mineral content. As this water is taken in by plants or evaporates it leaves behind the salts and minerals. Eventually, the soil becomes so contaminated that it will support no plants.
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What causes the problem of land degradation in Punjab?
the main causes for the land degradation in the punjab is theintensive cultivation.
What are the causes of degradation of soil?
Human activity is the main cause of soil degradation. Agriculture plays a large part in soil degradation, especially clearing, irrigation, the spreading of chemical fertilizers and pesticides, overgrazing and even the passage of heavy farming equipment. Tillage and the clearing and deforestation of large plots of land also lead to soil degradation. Improper drainage in agricultural fields also contributes to soil degradation.
What has the author H J Maker written?
H. J. Maker has written: 'Soil associations and land classification for irrigation, McKinley County' -- subject(s): Classification, Irrigation, Land use, Soils 'Soil associations and land classification for irrigation, Mora County' -- subject(s): Classification, Irrigation, Land use, Soils 'Soil associations and land classification for irrigation, Socorro County' -- subject(s): Classification, Irrigation, Land use, Soils 'Soil associations and land classification for irrigation, Catron County' -- subject(s): Classification, Irrigation, Land use, Soils 'Soil associations and land classification for irrigation, Lea County' -- subject(s): Irrigation, Land use, Soils 'Soil associations and land classification for irrigation, Otero County' -- subject(s): Classification, Irrigation, Land use, Soils
How did irrigation canals expand from land in Egypt?
Irrigation canals do not expand from land. They expand from water into the land.
Why is land degradation is not a good indication for the future?
land degradation causes soil errosion which further lead to drought and desertification.
Why are the pipes of drip irrigation black in colour?
To help slow degradation of the plastic from the ultraviolet wavelength of sunlight.
What has the author Roy S Rauschkolb written?
Roy S. Rauschkolb has written: 'Nitrogen management in irrigated agriculture' -- subject(s): Crops and nitrogen, Irrigation farming, Management, Nitrogen in agriculture 'Land degradation'
Pictures on the effects of land degradation?
Go to google images and type 'effects of land degradation' or just 'land degradation' and you should get what you want. You can also type in things like removal of topsoil & mudslides because they come under soil erosion and soil erosion. Soil erosion is a factor of land degradation. http://en.wikipedia.org/wiki/Land_degradation This website has effects of land degradation. You can also type a few of those effects in google images.
Definition of land degradation?
Land degradation is a process in which the value of the bio physical environment is affected by one or more combination of human-induced processes acting upon the land.
Is land degradation hazardous?
Yes, it is hazardous.
How do you control land degradation?
By planting trees
What is the difference between land degradation and soil erosion?
Land degradation is the land that is being degraded in some form that is negative. Soil erosion is when rock and soil is removed from one location of land to another.
