Soil Biology


Creatures living in the soil are critical to soil quality. They affect soil structure and therefore soil erosion and water availability. They can protect crops from pests and diseases. They are central to decomposition and nutrient cycling and therefore affect plant growth and amounts of pollutants in the environment. Finally, the soil is home to a large proportion of the world’s genetic diversity.

The Soil Biology Primer from the USDA is an introduction to the living component of soil and how it contributes to agricultural productivity, and air and water quality. The Primer includes units describing the soil food web and its relationship to soil health, and units about bacteria, fungi, protozoa, nematodes, arthropods, and earthworms. It is suitable for a broad audience including farmers, ranchers, agricultural professionals, resource specialists, conservationists, soil scientists, students, and educators.

Read more about Soil Biology.

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One Response to “Soil Biology”

  1. allaboutblueberries Says:

    Reblogged this on AllAboutBlueberries and commented:

    Revisiting past posts for the newcomers.

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