Soil horizons - Study guides, Class notes & Summaries

SCSC EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED A+ Five soil forming factors active factors - ANSWER- -climate -biological activity Five soil forming factors passive factor - ANSWER- -parent material -time Five soil forming factors modifying factor - ANSWER- -topography (relief) relief - ANSWER- topography 6 key roles of soil - ANSWER- - medium for plant growth (nutrients, support, water, O2) - system for water supp...

Dimensions of the Earth? -:- D=8,000 C=25,000 What is soil? -:- 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? -:- 50% -Solid 50%-Pore Space 45%-Mineral 5%-organic matter Basic functions of soil in the environment? 2 0 2 4 / 2 0 2 5 | © copyright | This work may not be copied for profit gain | Ex...

ISA Arborist Certification Practice Exams Part 1 Questions And Answers The ideal soil ratio for solids to pore space is: (A) 20:80 (B) 35:65 (C) 40:60 (D) 50:50 Correct Answer: D What is the correct scientific name for the oak tree genus? (A) Quercus (B) Pyrus (C) Larix (D) Acer Correct Answer: A Which of the following is not one of the five major categories of soil horizons? (A) O (B) E (C) N (D) B Correct Answer: C Loam is least composed of what soil classification? (A) Sand(B) ...

OSSF DR TEST PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS _______ and ________ soil textural classes are always unsuitable for standard absorptive OSSF - Correct Answer ️️ -class IA and IV List each of the major soil horizons - Correct Answer ️️ -surface soil A, surface soil B, and parent material _____________ is a term describing the ability of water to migrate through a soil profile under either _________ or __________ conditions. - Correct Answer ️️ -Hydraulic conductivit...

ecosystem services provided by soil - ANSWER - provides habitats - allows for the cycling of nutrients through terrestrial ecosystems - provides a substrate for plant growth - filters water as rainwater passes through it on its way to rivers and groundwater How does soil form? - ANSWER weathering is the primary process that forms soil - breaks down rock into smaller particles - these small particles of rock combine with decomposing organic material to form soil - As a result...

An Acre covers an area of how many square feet? Correct Answer 43,560 square feet An Acre equals how many hectares? Correct Answer 0.4047 hectares Animal Unit Equivalents Correct Answer The animal unit (AU) is the standard used in calculating the stocking rate or relative grazing impact of different kinds and classes of livestock and grazing wildlife. For example, AUM is the animal unit months per acre. Beneficial Management Practices (BMP) Correct Answer These are management practices ...

SCSC EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED A+ Five soil forming factors active factors - ANSWER- -climate -biological activity Five soil forming factors passive factor - ANSWER- -parent material -time Five soil forming factors modifying factor - ANSWER- -topography (relief) relief - ANSWER- topography 6 key roles of soil - ANSWER- - medium for plant growth (nutrients, support, water, O2) - system for water supp...

Which horizon is not part of the soil solum? correct answer: C Organic matter in soil typically accounts for ____% or less of the soils total volume. correct answer: 5% Pore space in soil may contain either _____ or _____ correct answer: Air Water Soils are the result of ______ and biota acting on parent material over time as modified by ______ correct answer: Climate Topography Though plants depend on soil for growth, which of the items below is found in soil, but not required...

A soil has a bulk density of 1.3 g/cm^3, a particle density of 2.6g/cm^3, a total porosity of .5 and a gravimetric water content of 0.2. Calculate the water-filled porosity. correct answer: .26 After a growing season of heavy tillage traffic across a soil, a soil property that is affected is: correct answer: bulk density From a biological point of view, the most important role of structural development in clayey textured soils is to provide an increase in: correct answer: macro porosity...

CRSS 3060 EXAM 1 WITH COMPLETE SOLUTIONS Hydrolysis - Answer- a chemical decomposition reaction in which a chemical bond is split and the elements contained in water are added Hydration - Answer- A mineral weathering process wherein water molecules combine with soil constituents Igneous rock - Answer- a rock that formed by the cooling and solidification of liquid parts of the lithosphere Loess - Answer- deposit of windblown soil particles, largely silt size metamorphic rock - Ans...