Ws3 - Study guides, Class notes & Summaries

SWS3022 Exam 1 | Questions And Answers Latest {} A+ Graded | 100% Verified

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,...

SWS3022 Exam 1 | Questions And Answers Latest {} A+ Graded | 100% Verified

Be able to define an acid. -:- Any substance that increases the hydrogen ion concentration in a solution. Know the two ions considered acids in soils. -:- Hydrogen (H+) and Aluminum (Al3+). Understand how aluminum contributes to soil acidity -:- Hydrolosis. Al(H2O)6 3+ = Al(H2O)5(OH) 2+ and H+ Understand the two basic types of soil acidity discussed in class. -:- Active and exchangeable acidity. Know the relationship between pH and H+ concentration in solution. 2 0 2 4 / 2 0 2 5 | ...

SWS3022 Lecture 15 Exam | Questions And Answers Latest {} A+ Graded | 100% Verified

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...

T or F; The two forces responsible for water movement in soils are adhesion and cohesion. -:- false; gravity and capillary Water's heat of Vaporization is equal to ____________ cal/g. -:- 580 The bonding that occurs between water molecules in the liquid is called __________ bonding -:- hydrogen t or f; Water's density increases as it becomes a solid. -:- false t or f; Gravimetric water content is water content by weight -:- true 2 0 2 4 / 2 0 2 5 | © copyright | This work may...

What organisms are the most numerous in soils? -:- Bacteria What organisms have the greatest biomass? -:- Fungi What is the difference between aerobic and anaerobic heterotrophs? -:- Aerobic use oxygen as electron acceptors. Anaerobic use nitrogen, sulfur, ironto accept electrons. How do aerobic conditions influence the decomposition of organic matter? -:- Decomp is rapid due to efficiency of aerobic metabolism How do anaerobic conditions influence the decomposition of organic matt...