What Is Water Logging And Its Impact Upsc?

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What is water logging impact?

Waterlogging lowers oxygen levels in the root zone, which reduces plant growth. Waterlogging increases the reduction potential of the soil and changes the chemical equilibrium of many elements which then enter the soil-water solution in their ionic forms.

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What is water logging explain?

Waterlogging is the natural flooding and over-irrigation that brings water at underground levels to the surface. As a consequence, displacement of the air occurs in the soil with corresponding changes in soil processes and an accumulation of toxic substances that impede plant growth.

What is water logging How does it affect the growth of plant?

Waterlogging is one of the main abiotic stresses suffered by plants. Inhibition of aerobic respiration during waterlogging limits energy metabolism and restricts growth and a wide range of developmental processes, from seed germination to vegetative growth and further reproductive growth.

What is waterlogging PDF?

Water logging is a condition of land in which the soil profile is saturated with water either temporarily or permanently (figure 1). In waterlogged lands, the water table rises to an extent that the soil pores in the crop root zone are saturated resulting in restriction of the normal circulation of air.

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What is water logging and its impact Class 8?

The presence of extra water in the roots of plants is known as water logging. Water logging is responsible for the decrease in oxygen availability to roots. Water logging has major effects on the growth of a plant and may lead to plant death if not controlled in an appropriate manner.

What is the potential impacts of logging on soil and water?

Runoff and increase surface flow will persist in areas that have been logged for years, ensuring that increased sediment loads reach local streams and rivers, greatly impacting aquatic systems and species. This loss of nutrient rich soils impacts the forest ecosystem for decades after a logging operation occurs.

What is water logging give its causes and effects of water logging and how will you prevent water logging?

In simple words, waterlogging is the saturation of soil with water either temporarily or permanently. When there is an excess amount of water in an area, the soil is unable to absorb the water as it should. It can also occur when the water table rises to the point that the soil pores in the crop root zone get clogged.

What is water logging and how it can be controlled?

Controlling loss of water by seepage from the canals : This includes lowering the F.S.L of the canal. By lining the canal with suitable impervious material. By using irrigation water economically and keeping the intensity of irrigation flow.

What is water logging how can it be prevented?

Waterlogging is one of the soil conditions that hinder plant growth and results in less crop yield. To prevent waterlogging effective measures should be taken such as planting more trees and lift the irrigation system. Waterlogging also is a serious threat to food security.

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What will be the impact of waterlogging on roots of crop plants and why?

Soil waterlogging dramatically reduces the oxygen (O2) diffusion rate through soils, and when coupled with O2 depletion by respiration of microorganisms and plant roots, soil O2 levels quickly fall below critical levels. This process is further exacerbated by high temperatures, which accelerate respiratory activity.