Okuzeka
Agriculture vocabulary · Irrigation and Water

Evapotranspiration

Meaning in agriculture, with examples

nounAdvanced term

In agriculture, evapotranspiration means: The total water lost from a field by evaporation from the soil surface plus transpiration through plant leaves; it shows how much water a crop uses.

In Turkish: evapotranspirasyon, bitki su tüketimi

How it is used

Shortened to ET. Irrigation engineers calculate reference evapotranspiration (ET0) from weather data and multiply it by a crop coefficient (Kc) to estimate crop water use, following the FAO-56 method.

Example sentences

  1. In July, evapotranspiration from the cotton field reaches about 8 millimeters per day.

  2. The weather station calculates daily evapotranspiration for our irrigation app.

Common collocations

  • reference evapotranspiration
  • crop evapotranspiration
  • crop coefficient
  • ET data
  • irrigation schedulingDeciding when to irrigate and how much water to apply, based on crop needs, weather data and soil moisture.
  • irrigationThe artificial supply of water to land or crops through channels, pipes, sprinklers or drippers, used when rain alone is not enough.
  • droughtA long period with much less rain than normal, which leaves soil dry and causes water shortages and crop losses.
  • drip irrigationA method that delivers water slowly and directly to the roots of each plant through pipes and small emitters, wasting very little water.
  • groundwaterWater stored underground in soil and rock layers called aquifers, which farmers pump up through wells for irrigation and livestock.

More terms: Irrigation and Water

Practise with graded reading

Reading at the right level is the fastest way to make new words stick. Pick free English books by level: