'Soil food web' diaporamas de présentation

THE SOIL FOOD WEB

THE SOIL FOOD WEB. Soil Biology and the Landscape. The Soil Food Web. Components of Soil Organic Matter. Living organisms <5%. Fresh residue <10%. Stabilized organic matter (humus) 33% - 50%. Decomposing organic matter (active fraction) 33% - 50%. Rhizosphere.

805 views • 60 slides

The Importance of Nematodes in Ecosystems and as Biological Indicators

The Importance of Nematodes in Ecosystems and as Biological Indicators. Howard Ferris Department of Nematology University of California, Davis hferris@ucdavis.edu June, 2007. Cobb. Bastian. Maupas. Ingham. Yeates. Bongers. Wall. 19 th Century

456 views • 45 slides

Composting 101

Composting 101. Kwantlen Farm School 2012 Chris Thoreau. Composting 101. What is Composting? The rapid biological decomposition of organic matter Microorganisms turning organic matter into plant food Rapid nutrient cycling Breeding of microorganisms or worms

513 views • 37 slides

Structure and Functions of the Soil Food Web: Understanding Healthy Soils

Structure and Functions of the Soil Food Web: Understanding Healthy Soils. The organisms involved How they interact What they do Monitoring food web condition Food web management. Howard Ferris Department of Nematology University of California, Davis hferris@ucdavis.edu November, 2005.

515 views • 35 slides

Structure and Functions of the Soil Food Web: Understanding Healthy Soils

Structure and Functions of the Soil Food Web: Understanding Healthy Soils. The organisms involved How they interact What they do Monitoring food web condition Food web management. Howard Ferris Department of Nematology University of California, Davis hferris@ucdavis.edu November, 2005.

354 views • 35 slides

Composting 101

Composting 101. What is Composting? The rapid biological decomposition of organic matter into an inorganic form available for plant uptake Microorganisms turning organic matter into plant food Nutrient cycling Breeding of microorganisms or worms This is my approach to composting

937 views • 32 slides

The Science Behind Soil Critters

189 views • 18 slides

Healthy Soils, Healthy Lawns

261 views • 11 slides

One tablespoon of healthy farm soil contains one billion assorted microbes

Biochar Properties. Microbial Colonization. Microbial Science. A Brief History.

151 views • 5 slides