soil organisms and ecology chapter 11. table 11.1
TRANSCRIPT
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Soil Organisms and EcologySoil Organisms and Ecology
Chapter 11Chapter 11
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Table 11.1
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FIGURE 7–5FIGURE 7–5 Interrelationships of autotrophic and heterotrophic organisms: nutrient cycling and energy flow. Interrelationships of autotrophic and heterotrophic organisms: nutrient cycling and energy flow.
Michael J. Singer and Donald N. MunnsMichael J. Singer and Donald N. MunnsSoils: An Introduction, 6eSoils: An Introduction, 6e
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FIGURE 7–4 Most soil microbes live on surfaces. Top: Fungal hyphae on a sand grain. Bottom: Bacteria (Rhizobium) attached to a root hair.
Michael J. Singer and Donald N. MunnsMichael J. Singer and Donald N. MunnsSoils: An Introduction, 6eSoils: An Introduction, 6e
….. leads to association with plants
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I. Associations with PlantsI. Associations with Plants
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FIGURE 7–15FIGURE 7–15 Legume– Legume–RhizobiumRhizobium symbiosis: typical stages in symbiosis: typical stages in development. development.
Michael J. Singer and Donald N. MunnsMichael J. Singer and Donald N. MunnsSoils: An Introduction, 6eSoils: An Introduction, 6e
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FIGURE 7–17 Mycorrhizae. (A) Major types of mycorrhizae.
Michael J. Singer and Donald N. MunnsMichael J. Singer and Donald N. MunnsSoils: An Introduction, 6eSoils: An Introduction, 6e
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FIGURE 7–18 Mycorrhizal association between root hairs and the fungal hyphae
Michael J. Singer and Donald N. MunnsMichael J. Singer and Donald N. MunnsSoils: An Introduction, 6eSoils: An Introduction, 6e
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II. Soil Management EffectsII. Soil Management Effects
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III. Soil Organism TableIII. Soil Organism Table
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Michael J. Singer and Donald N. MunnsMichael J. Singer and Donald N. MunnsSoils: An Introduction, 6eSoils: An Introduction, 6e
FIGURE 7–1FIGURE 7–1 Sizes and forms of soil inhabitants, in relation to soil particle sizes. Sizes and forms of soil inhabitants, in relation to soil particle sizes.
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IV. Practical Outcomes of AdaptationsIV. Practical Outcomes of Adaptations
A. Actinomycetes: medical antibodiesA. Actinomycetes: medical antibodies
B. Mycorrhizal and N fixing symbiosis: improve productivity of B. Mycorrhizal and N fixing symbiosis: improve productivity of cultivated plantscultivated plants
C. Predatory/Parasitic Fungi/Protozoa: control root pathogensC. Predatory/Parasitic Fungi/Protozoa: control root pathogens
D. Specialized/Opportunistic Bacteria: eliminate toxic D. Specialized/Opportunistic Bacteria: eliminate toxic materialsmaterials