Sws3022 exam - Study guides, Class notes & Summaries

SWS3022 Exam 3 Questions with Complete Solutions What element is strongly limiting to primary productivity? - Answer-Nitrogen What is the basic criteria for diagnosis of N deficiency in plants? - Answer-Yellowing in older tissues What is the organic nitrogen presented and what is it called? - Answer-R-NH2, amine What is deamination and what is its product? - Answer-Strictly applies to nitrogen conversion. When organic nitrogen is converted into inorganic forms in soils. Produces the ...

What is mineral formation? -:- When aluminosilicates dervive charge from substitution of lower-charged cations for higher charged cations in the crystal matrix What charge results from mineral formation? -:- permanent negative charge What substitution happens during mineral formation? -:- - Al3+ for Si4+ - Mg2+ for Al3+ What do charges on silicate crystal edges and on Al/Fe oxides depend on? -:- protonation and deprotonation (results in variable, pH-dependent charge What do organi...

Know the two principal chemical elements in organic chemical compounds -:- Carbon & Hydrogen (maybe Oxygen) Know the two properties that make certain types of organic chemicals highly water soluble. -:- Polarity & Electrical Charge Understand basically the impediments to water solubility for non-ionic hydrophobic organic compounds. -:- a. Solubility: The ease with which substances dissolve in water; the degree to which organic contaminants impact soil and water quality often is relat...

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

What are the important soil solution constituents of inorganic soils? -:- 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? -:- 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? -:- Elements in the periodic table are electrically neutral. Ions are sta...

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

Dimensions of the Earth -:- Diameter: 8000 mi Circumference: 25,000 mi What do the definitions of soil depend on? -:- The definition of soil is dynamic because many specializations and disciplines view soil differently: ecological, geological, environmental, etc. Parameters related to soil composition for an idealized surface soil -:- 50% pore space and 45% particles, 5% OM Basic functions of soils in the environment -:- Medium for plant growth: support, gas and water exchange, tem...

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

SWS3022 Exam 3 | 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...