Most soil starts with a pH based on the sand, silt, clay parent material but that is rapidly modified by the organisms growing in the soil. After parent material is colonized by organisms, the pH has little to do with the parent material, and everything to do with hte organic matter and the organisms growing in that organic matter. We hope you decide to purchase these wonderful products and continue to learn about the Soil Foodweb. These are not live recordings. All of the CD's are recording in a state of the art digital recording studio and are of the highest quality.
Diagrams accompany the CD on the inside jacket.
Dr. Elaine Ingham discusses the important functional groups of organisms that live in soil, how and why they enhance plant growth and production. This is the introductory talk about the Soil Foodweb. All other CD's assume an understanding of this introductory material. Protozoa, nematodes and microarthropods -Getting rid of toxic compounds. Bacterial bricks, fungal walls, protozoan, nematode and microarthropod engineers.