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Role of Soil Biology in Improving Soil Quality

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Jul 27, 2011 2:00 pm US/Eastern

Length: 01:40   (hh:mm)

Pre-registration not required.


  • Kristine Nichols, Ph.D., Soil Microbiologist, USDA ARS, Northern Great Plains Research Laboratory, Mandan, ND


  • American Forage and Grassland Council - 1 hour CFGP Credit
  • Certified Crop Advisors - 1 hour CCA Self Study - NM Credit
  • Conservation Planner - 1 hour Conservation Planning Credit

Webinar Format:

You can    this archived webinar at any time.

Learn about the role of soil biology in improving soil quality, and how the soil food web can be managed to increase nutrient cycling, water holding capacity, and other dynamic soil functions.

Soil as the heart of the farming ecosystem is driven by biological activities to increase soil organic matter, which represents a small percentage of the soil by weight, but controls over 90% of the soil functions. This webinar introduces participants to the concepts of 1) rhizosphere biology, the area immediately surrounding the plant root with the highest concentration of microbiological activity; 2) soil “livestock” consisting of bacteria, fungi, nematodes, protozoa and microarthropods and representing the greatest concentration of biomass anywhere on the planet; 3) glomalin, a biological glue that holds soil together and improves soil aggregation; and 4) building soil biota to improve soil quality, increase nutrient cycling, and long term sustainability using cover crops, no-till, and other sustainable farming practices.

This webinar is sponsored by the USDA NRCS East National Technology Support Center.

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Soil Biology

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