PPT-Soil Organic Matter Unit: Soil Science Lesson 3

Objectives Define soil organic matter Explain the role of inherent factors affecting soil organic matter Explain the five soil organic matter management practices Explain how soil organic matter relates to soil function. Healthy soil, strong plants, healthy people. Soil . T. ypes around Brisbane. www.asris.csiro.au. . Brisbane has four main soil types:. dark . alluvial soils. deep red loamy soils. gravelly red and yellow loamy top soils over clay. Challenge. : . Growing food in degraded urban soil. Healthy soil is fundamental to agriculture.. For there to be significant improvements in . access to healthy food through urban agriculture . – soils must be productive.. Glomus. sp.) AND ORGANIC MATTER ON CACTUS PEAR (. Opuntia. . albicarpa. ) GROWTH IN TWO SOIL TYPES. Gardezi. , A. K. ., . Márquez-. Berber. , S. R. ., . Figueroa-Sandoval, B. ., . Flores-Magdaleno, . Environmental . Literacy Project. Michigan State University. . Plants . Unit. Activity 5.4: . Explaining How Plants Grow: Biosynthesis. Unit Map. 2. You are here. Revisit your arguments. Think about what you know now that you didn’t know before. What have you learned?. . Copyright © Houghton Mifflin Harcourt Publishing Company. Particles in Motion. Copyright © Houghton Mifflin Harcourt Publishing Company. How do particles move in solids, liquids, and gases?. Decomposition. Basic Decomposition Equation. Organic compound . O. 2. (or other electron acceptor). . . CO. 2. H. 2. O energy inorganic nutrients. . a form of. . Time to observe and learn. You will examine three types of soil:. Clay. Sand. Loam. You will need to read and follow the instructions carefully. After examining the soil types:. What are some ways we can classify soils?. Objectives. Define: acidity, alkalinity, buffering capacity, soil pH. List and describe inherent factors that affect soil pH. Describe how to manage soil pH. Describe how soil pH affects soil function. Gravel – larger than 2 mm. Sand – 0.05 to 2 mm. Silt – 0.002 to 0.05 mm. Clay – smaller than 0.002 mm. soil. Renewable resource. Renews . very. slowly. 1 cm takes 15 years to form. soil. Importance. Module H Unit 1: Matter Lesson 1: Introduction to Matter Matter - anything that has mass and takes up space. Matter makes up the materials around you. Mass - the amount of matter in an object. Even air has mass. Decomposition. Basic Decomposition Equation. Organic compound . + O. 2. (or other electron acceptor). . . CO. 2. + H. 2. O + energy + inorganic nutrients. . a form of. . s. oil test interpretation. Weston Miller, . OSU Extension Service. Preview of presentation. Safety precautions. General . soil quality assessment . How to take a soil test. What to test for. Interpreting results. 307B. Lecture 8. D. r. Mahmoud Nour El-Dein. Composition of Organic Matter. Soil organic matter plays important role in the maintenance and improvement of soil properties. It is a dynamic material and is one of the major sources of nutrient elements for plants. . Objectives. Define: soil respiration and soil microbes. Explain the role of soil respiration in determining soil health. Diagram the role of soil respiration in the cycle of life on earth. List and explain inherent factors that affect soil respiration.