CHEMISTRY OF SOIL ORGANIC MATTER
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Soils and Water, Spring 2007 The Nutrient Cycle Atmospheric pool Precipitation Canopy, wood, and root Litter fall Organic material SOIL 2 Soil and rock minerals cations 1 2 3 5 Soil solution storage 4 Groundwater level 4 4 Leaching Channel -
Soils and Water, Spring 2008 The Nutrient Cycle Atmospheric pool Precipitation Canopy, wood, and root Litter fall Organic material SOIL 2 Soil and rock minerals cations 1 2 3 5 Soil solution storage 4 Groundwater level 4 4 Leaching Channel -
15. Terrestrial Ecology II Pedology: Soil Science I. Introduction A. General 1. Many ecology textbooks, as in Smith and Smith, treat soil science as a separate entity from terrestrial ecology, placing it among the physical factors. Yet the soil is cl -
Chapter 12 Organic Matter in Water CH350/EV350 Spring 2008 Carbon in the environment Inorganic CO2, HCO3, CO32, graphite, diamond Most carbon on earth in inorganic form Other molecules containing carbon of biological or anthropogenic origin -
The Nutrient Cycle Atmospheric pool Precipitation Canopy, wood, and root Litter fall Organic material SOIL 2 Soil and rock minerals cations 1 2 3 5 Soil solution storage 4 Groundwater level 4 4 Leaching Channel BEDROCK 1 Cation exchange 2 H -
Reading 31-2 1 READING 31-2 Source: Ronald F. Korcak, History of the Organic Movement, 1991. Early Roots of the Organic Movement: A Plant Nutrition Perspective Lord Walter Northbourne first used the term "organic farming" in 1940 as a chapter head -
1/26/09 1 2 3 4 5 6 Ch. 4: Soils, Nutrition etc. Soil Definition: atural body N ifferentiated into layers (horizons) D ade of mineral and organic matter M iffers from parent material: substance from which soil is D derived Weathering Factor -
Ch. 4: Soils, Nutrition etc. Soil Definition: Natural body Differentiated into layers (horizons) Made of mineral and organic matter Differs from parent material: substance from which soil is derived Weathering Factors Mineral co -
SOIL ORGANIC MATTER (SOM) Assigned: Sparks, Chapter 3, Chapter 2 pp. 65 and 67. Additional reading: Essington, Chapter 4, McBride ,1994, Chapter 2, pp. 56-57, and 3.4a, pp. 107-110, MacCarthy et al., 1990 Chapter 1 and Chapter 11, and Stevenson, Hum -
Solids & Pores-Chap. 2 Soil Texture is Fundamental Fine earth < 2 mm; Coarse fragments > 2 mm In fine-textured soils, a moderate amount of coarse fragments may increase penetration of air and water, and increase soil warming in spring In coarse-t -
Chemistry & Biochemistry 123 Winter 2008 Dr. Teri Robinson Topics Soils Earth's crust Silicates Kaolinites Base cations Soil composition Humus Humic acid Fulvic acid Soil acidification Neutralization Hardness SO2 and NO Acid mine d -
Lecture 6 Soils 23 September 2004 1 Recommended Readings Kohnke, H. and D.P. Franzmeier, Soil Science Simplified, 4th ed., Waveland Press, Inc., Long Grove, IL, 162 pp, 1995. Chapter 11 in Barnes, B.B., D.R. Zak, S.R. Denton, S.H. Spurr, Forest Ec -
Environmental Notes-Soil and Food Production Land Use: o Land in use: about 21% (grazed: 10%, cultivated: 11%) o "Potential" Cropland: 28% o Not Usable: 51% Top soil: soil concerned about o Critical o Rich and vital to environment o Comprised of: Det -
Name: Soil: A Living System (Soils 201) Midterm #3 December 3, 2008 Total Number of Points: 92 1 Single-Answer Multiple Choice 2 points each. Circle the one solution that answers each question or completes the sentence. 1. Which of the following -
Atmospheric evidence of large carbon exchanges by the biosphere Ecosystem Structure and Feedbacks to Biogeochemical Cycles NEP is the balance between GPP and ecosystem respiration Why is NEP positive in most ecosystems? Maybe all ecosystems accum