Leaching requirement

Leaching requirement

The fraction of the water entering the soil that must pass through the root zone in order to prevent soil salinity from exceeding a specified value. Leaching requirement is used primarily under steady-state or long-time average conditions.

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Part of Speech: noun
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Industry/Domain: Plants
Category: Horticulture
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Related terms

leaching requirement

Earth science; Soil science

The leaching fraction necessary to keep soil salinity, chloride, or sodium (the choice being that which is most demanding) from exceeding a tolerance level of the crop in ...

leaching requirement

Engineering; Civil engineering

Quantity of irrigation water required for transporting salts through the soil profile to maintain a favorable salt balance in the root zone for plant development.

leaching requirement

Plants; Horticulture

The fraction of the water entering the soil that must pass through the root zone in order to prevent soil salinity from exceeding a specified value. Leaching requirement is used ...

leaching requirement (LR)

Agriculture; Irrigation

The amount of water that is required during an irrigation to flush excessive soil salts from the plant root zone in runoff, deep percolation, or lateral seepage.

leaching requirement (lr)

Plants; Horticulture

The fraction of water applied during each irrigation that passes through the root zone and out the bottom of the container or soil profile. An LR of 0.5 means 50% of the ...

requirement

Business services; Project management

A condition or capability that must be met or possessed by a system, product, service, result, or component to satisfy a contract, standard, specification, or other formally ...