Low-energy precision application (LEPA)

Low-energy precision application (LEPA)

The use of drop tubes on a centre pivot or lateral-move systems to apply water at low pressures very near or directly onto the soil surface. This increases efficiency and uniformity. Furrow dikes are typically required to avoid runoff. Often confused with LESA (low elevation spray application) and MESA (mid elevation spray application).

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Part of Speech: noun
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Industry/Domain: Agriculture
Category: Irrigation
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low-energy precision application (LEPA)

Agriculture; Irrigation

The use of drop tubes on a center pivot or lateral-move systems to apply water at low pressures very near or directly onto the soil surface. This increases efficiency and ...

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application efficiency

Agriculture; Irrigation

The ratio of the water that is absorbed and stored in the root zone for later use by the plants to the total water applied.

actual evapotranspiration

Agriculture; Irrigation

The actual rate of water uptake by the plant which is determined by the level of available water in the soil.

available water capacity (AWC)

Agriculture; Irrigation

The portion of water in a soil that can be readily absorbed by plant roots. It is the amount of water between field capacity and permanent wilting point. It's usually measured ...

available water (aw)

Agriculture; Irrigation

The portion of water in a soil that can be readily absorbed by plant roots. It is the amount of water between field capacity and permanent wilting point. It's usually measured ...

backflow prevention device

Agriculture; Irrigation

A mechanical device used to prevent the flow of water from the water distribution system back to the water source and may be required by law. It's similar to anti-siphon valves.