Tree Fruit Soils and Nutrition



Soils, Water and Plant Growth

Goal of Irrigation: to recharge the available water in the top foot of soil

Amount to irrigate depends on:

  1. Soil water-holding capacity
  2. Weather
  3. Site aspect
  4. Plants grown and their growth stage

A plant water use calculator (evaporation plus transpiration) is online at

  • On average, plants consume from 0.1 to 0.3 in of rainfall or irrigation per day
  • Sandy soils: Hold between 0.5-1 in. of water per ft. soil
  • Loams: Hold between 0.8-2 in. per ft. soil
  • Clay: Hold between 1.3-2.4 in. per ft. soil

Next page: Chemical properties of soils


Updated August 24, 2004


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Tree Fruit Research & Extension Center, Washington State University,1100 N Western Ave., Wenatchee, WA, 98801 USA