Soil - Sarasota County Extension

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Agroecosystem Concept• An approach that looks at your vegetablegarden as a functional whole of interactingliving and non living components•• Analogy to the human body and its interactinglevels of molecules, cells, tissues, organs, andsystems.• Properties include:– Structural & functional levels– Hierarchical and temporal scales– Emergent properties - i.e., “whole is more than•sum of parts”Gliessman, S., 1999. Agroecology: Ecological Processes in Sustainable Agriculture
Soil Ecosystem ‘Emergent’Property Examples• Aggregation• Soil profile development• Nutrient cycling• Biotic mutualisms• Organic matter• Soil ‘quality’ and ‘health’Gliessman, S., 1999. Agroecology: Ecological Processes in Sustainable Agriculture
Page 2 and 3: Community GardeningOrganic Vegetabl
Page 4 and 5: Introduction• Goals of Presentati
Page 6 and 7: Soil Appreciation Through History
Page 8 and 9: Soil Ecosystem & Plant Growth
Page 12 and 13: Aggregation Example• Soil structu
Page 14 and 15: Soil Profile Example• Arrangement
Page 16 and 17: Soil Nutrient Cycle Example
Page 18 and 19: Biotic Mutualism Example:Nitrogen-F
Page 20 and 21: Soil Organic Matter• Composition-
Page 22 and 23: Humusa mixture of compounds and com
Page 24 and 25: Composting• Art & science of prod
Page 26 and 27: Composting Literature• Sir Albert
Page 28 and 29: Aerobic Composting
Page 30 and 31: Aerobic Composting
Page 32 and 33: Soil Quality DefinitionSoil Fertili
Page 34 and 35: What Is Soil?Soil will be studied a
Page 36 and 37: What is Soil?• A Mixture of Compo
Page 38 and 39: • MineralcompostiondeterminesSoil
Page 40 and 41: Soil pH• The measure of acidity o
Page 42 and 43: Adjusting Soil pH• To raise soil
Page 44 and 45: • Principle of Limiting Factors-J
Page 46 and 47: UF/IFAS Plant NutritionalDeficienci
Page 48 and 49: Soil Chemistry & Plant NutritionPot
Page 50: Soil Life And Plant RootsCurl, E.A.
Page 53 and 54: Soil As Habitat for Biodiversity
Page 55 and 56: Earthworm Benefits• Stimulate mic
Page 57 and 58: Soil Sampling• Representative sam
Page 59: Soluble Salts Testing• Soil solub
Page 63 and 64:
Alternative Soil Test Example“The
Page 65 and 66:
Alternative Soil Test ExampleHumus
Page 67 and 68:
AlternativeSoil TestExample
Page 69:
• Cornell Soil HealthAcknowledgem
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Soil - Sarasota County Extension

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