Sws3022 exam 1 - Study guides, Class notes & Summaries

SWS3022 Exam 3 Questions and Answers What is "green manure"? - Answer-When the plant dies, the fixed nitrogen is mineralized during decomposition, making it available to other plants. What is the artificial process by which atmospheric N is fixed? How much world energy is used? Also, be familiar with the fact that the product of this process is used as a foundation for the production of a number of N fertilizer types. - Answer-It's called the Haber-Bosch process. It uses 1-2 percent of t...

SWS3022 Lab Exam 1 Practice Questions and Answers | 100% Pass What are the components to Munsell Soil Color? - Answer️️ -Hue, Value, Chroma What does each component to the Munsell Soil Color indicate? - Answer️️ -Hue - Dominant spectra color on a given page Value - Light/dark (the lower the number, the darker the color) Chroma - Intensity/Brightness of color Say I have a munsell soil color of 10YR 5/6, which of these parts represents the hue, value, and chroma? - Answer️️ -Th...

SWS3022 Soil Taxonomy Study Guide with Complete Solutions What are the Soil Master Horizons? - Answer️️ -O A E B C R The O MASTER HORIZON - Answer️️ -Greater than 20% OM Organic horizon formed above the mineral soil. Derived from decomposition of plant and animal residues Range in thickness from absent to meters thick. The A MASTER HORIZON - Answer️️ -Topmost MINERAL horizon (topsoil) Subject to significant weathering Zone of gas and water exchange High in plant roots,...

What are the components to Munsell Soil Color? -:- Hue, Value, Chroma What does each component to the Munsell Soil Color indicate? -:- Hue - Dominant spectra color on a given page Value - Light/dark (the lower the number, the darker the color) Chroma - Intensity/Brightness of color Say I have a munsell soil color of 10YR 5/6, which of these parts represents the hue, value, and chroma? -:- The 10YR represents the Hue The 5/ represents the Value The /6 represents the chroma 2 0 2 4 ...

Note the various forms of N -:- 1. Ammonium (NH4+) cation in the soil solution and fixed in secondary clays 2. Nitrate (NO3-) anion in the soil solution 3. Organic N in the soil 4. Ammonia (NH3) gas (released to atmosphere) 5. NO, N2O, N2 gases (released to atmosphere) anion- nitrogen -:- it is not held by soil colloids and can be lost from the soil through leaching. However in well aerated soils (plenty of oxygen), most of the NH4+-N (applied for example as fertilizer) changes to the...

SWS3022 Exam Questions and Answers | 100% Pass What are the important soil solution constituents of inorganic soils? - Answer️️ -can contain carbon, but are not based on carbon; simple - metals, chemical nutrients, acids - all ionic What are the important soil solution constituents of organic soils? - Answer️️ - compounds of carbon; dominated by C, H, and O; complex - covalently bonded - can be natural or synthetic How do ions differ from the elements in the periodic table? - A...

sws3022 UF exam 3 Study Guide with Complete Solutions Note the various forms of N - Answer️️ -1. Ammonium (NH4+) cation in the soil solution and fixed in secondary clays 2. Nitrate (NO3-) anion in the soil solution 3. Organic N in the soil 4. Ammonia (NH3) gas (released to atmosphere) 5. NO, N2O, N2 gases (released to atmosphere) anion- nitrogen - Answer️️ -it is not held by soil colloids and can be lost from the soil through leaching. However in well aerated soils (plenty of ox...

SWS3022 Practice Questions and Answers | 100% Pass Dimensions of the Earth? - Answer️️ -D=8,000 C=25,000 What is soil? - Answer️️ -the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles. The parameters related to soil composition for an idealized surface soil? - Answer️️ - 50% -Solid 50%-Pore Space 45%-Mineral 5%-organic matter Basic functions of soil in the environment? -...

SWS3022 Exam 3 Practice Questions and Answers | 100% Pass What organisms are the most numerous in soils? - Answer️️ -Bacteria What organisms have the greatest biomass? - Answer️️ -Fungi What is the difference between aerobic and anaerobic heterotrophs? - Answer️️ - Aerobic use oxygen as electron acceptors. Anaerobic use nitrogen, sulfur, ironto accept electrons. How do aerobic conditions influence the decomposition of organic matter? - Answer️️ - Decomp is rapid due to ef...