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Soil Terminology

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This article is about soil terminology. For other uses, please see Terminology (disambiguation).

Below is a list of soil terminology concepts.

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List of Terminology Edit

  • Nutrients - chemicals that plants need to function and grow
  • Horizon - horizontal layers of soil with distinct characteristics
  • pH - the measure of how acidic or basic a soil is on a scale of 0-14
  • Parent Material - the rock from which a soil is derived
  • Texture - the proportion of sand, silt and clay in a soil


  • Aggregate - groups of soil particles that bind together
  • Aerate - supplying soil with air
  • Macronutrients - Nitrogen (N), Phosphorus (P) and Potassium (K)
  • Micronutrients - nutrients that are required but in less amounts than macronutrients


  • Clay - a soil type with the smallest particles
  • Sand - a soil type with the largest particles
  • Silt - a soil type with medium-sized particles


  • Alklai soil - overly acidic soil; soil with a low pH number
  • Available Water Capacity - the amount of water in a soil that a plant can use
  • Fallow - cropland left idle for a season
  • Irrigation - supplying water to plants and soil
  • Organic matter - material that is derived from a living organism


  • Topsoil - the outermost layer of soil where most biological activity occurs
  • Erosion - when outside forces remove soil from an area
  • Fertility - the potential of a soil to sustain plant life
  • Grade - the angle or slope of land

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