Excessive accumulation of soluble salts in the soil is called

Salinity
Acidity
Water logging
Mineralization

The correct answer is (a) Salinity.

Salinity is a measure of the total amount of dissolved salts in a solution. In soil, salinity is caused by the accumulation of salts from irrigation water, rainwater, and the weathering of rocks. High levels of salinity can damage plants and make it difficult for them to grow.

Salinity can be caused by a number of factors, including:

  • Irrigation with water that contains high levels of dissolved salts
  • Rainfall that contains high levels of dissolved salts
  • The weathering of rocks that contain high levels of dissolved salts
  • The use of fertilizers that contain high levels of dissolved salts

Salinity can have a number of negative effects on plants, including:

  • Reduced growth
  • Reduced yield
  • Increased susceptibility to pests and diseases
  • Death

Salinity can be managed in a number of ways, including:

  • Drainage
  • Leaching
  • Amendments
  • Irrigation with low-salinity water
  • Crop rotation

Acidification is the process by which soil becomes more acidic. This can be caused by a number of factors, including:

  • The use of acidifying fertilizers
  • The weathering of rocks that contain acidic minerals
  • The release of carbon dioxide from the soil

Acidity can have a number of negative effects on plants, including:

  • Reduced growth
  • Reduced yield
  • Increased susceptibility to pests and diseases
  • Death

Acidity can be managed in a number of ways, including:

  • Liming
  • Crop rotation
  • The use of tolerant crops

Waterlogging is a condition in which soil is saturated with water. This can be caused by a number of factors, including:

  • Heavy rainfall
  • Irrigation
  • Poor drainage

Waterlogging can have a number of negative effects on plants, including:

  • Reduced growth
  • Reduced yield
  • Increased susceptibility to pests and diseases
  • Death

Waterlogging can be managed in a number of ways, including:

  • Drainage
  • Irrigation management
  • Crop rotation

Mineralization is the process by which organic matter is broken down into its component minerals. This is a natural process that is essential for the health of the soil.

Mineralization can be accelerated by a number of factors, including:

  • The addition of organic matter
  • The addition of microorganisms
  • The addition of enzymes

Mineralization can have a number of positive effects on plants, including:

  • Improved nutrient availability
  • Improved soil structure
  • Improved water retention
  • Improved resistance to pests and diseases
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