Scsc 301 exam - Study guides, Class notes & Summaries

Loess correct answer: Silt to very fine sand. Deposited by the wind. Volcanic ash correct answer: Soils of very low bulk density and high fixation of phosphorus. Glacial till correct answer: Poorly sorted. Glacial wash correct answer: Well sorted. Texture correct answer: The size distribution of inorganic (mineral) primary particles. Silt correct answer: .05-.002 mm in diameter USDA correct answer: Who is our final say on particle diameter of soils? Permeability corre...

SCSC 301 Exam 1 with Questions and Answers Soils in Texas ANSWER There are 255 distinct soils in Texas Texas has a variety of types of soil 5 Major Soil Functions ANSWER 1. Medium for Plant Growth 2. Support for buildings and roads 3. Habitat for organisms 4. Purification of waters and regulator of water supplies 5. Recycling system for nutrients and organic wastes Medium for plants growth ANSWER Physical support Supply mineral support Holds water → plants require a continuous...

The subsoil horizon symbol for the zone of maximum eluviation is: correct answer: E The percent organic matter in soils increases as_____ decreases correct answer: Temperature The horizon that movement and accumulation of sodium is a microprocess essential to the occurrence of is: correct answer: Bn The epipedons that are thick with a dark color, low base status, and good structure are called: correct answer: Umbric In the soil forming macroprocess, the formation of clay minerals...

SCSC 301 Exam 2 verified answers 100%2023

SCSC 301 Exam with Latest Questions and Answers ____ bacteria are responsible for enzymatic oxidation-reduction reactions in the soil. ANSWER Chemautotrophic The Al:H ratio on exchange sites increases as a soil becomes ____. ANSWER more acidic The ____ is a fundamental coordinated unit found in all layer silicates. ANSWER tetrahedron ____ is a common parent material for soils containing much amorphous material. ANSWER Volcanic ash At pH 5.6 in a 'typical' soil, the percent base ...

An important function of micro-organisms in soils is the fixation of correct answer: Nitrogen The well decomposed organic matter in the soil that is composed of ligno-proteins and contributes to the cation exchange capacity is: correct answer: Humus Bacteria are important to the decomposition of residues : correct answer: Under slightly acid to neutral conditions Assuming favorable climatic and soil environment conditions, the factor most often controlling the rate of residue decompo...

SCSC 301 EXAM QUESTIONS WITH ALL CORRECT DETAILED ANSWERS What are the four competitive priorities mentioned in class? A. Cost, Quality, SpeedlTime, Flexibility B. Inventory, Retail management, Flexibility, Supply Chain C. Both A and B D. None of the above - ANSWER- A. Cost, Quality, Seedtimes, Flexibility "A purchase requisition is a request to purchase materials or services,while a purchase order is a legal agreement between a Buyer and a supplier for the provision of goods. A. T...

SCSC 301 exam #3 Questions With Complete Solutions

A soil having a pH of 8.0, 10% exchangeable sodium, and 5d/sm conductivity is: correct answer: saline, non sodic the most common means of decreasing the soil pH from 7 to 4.5 in non calcareous soil is by the addition of: correct answer: Ferrous sulfate With the passage of time, the soil pH tends to: correct answer: decrease A compound that is recommended to be used as an agricultural liming material is: correct answer: CaMg(Co3)2 Calcium Carbonate reacts with the carbonic acid in...