Soil water content - Study guides, Class notes & Summaries

List 2 properties of poor soil structure and how they affect grapevines: correct answers - doesn't drain & therefore gets waterlogged (poor aeration) OR drains too quickly (poor water-holding capacity) - both impedes root growth List 3 properties of sub-optimal soil nutrient content: correct answers - lacking specific/all nutrients - excess or stress in specific/all nutrients - poor nutrient-holding capacity (N,P,K,Mg,Ca etc) When does sub-optimal pH occur? correct answers When nutrie...

Radon Certification Questions and Answers Graded A+ Radon Gas Characteristics -not detected by human senses -naturally occurring -chemically unreactive The nucleus of an atom consists of ____________ and ______________ protons and neutrons What characteristic of an atom determines the charge? Electrons What characteristic of an atom determines the isotope? Nuetrons What characteristic of an atom determines the element I.D? Protons What determines the atomic mass number? T...

Demonstration and Research Pest Control Latest Update Graded A+ Federal Insecticide Fungicide and Rodenticide Act FIFRA "any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating and pest" Pesticide "any substance or mixture of substances intended for use as a plant regulator, defoliant, or desiccant." Pesticide Pesticides that are generally more acutely toxic and inhibit a vital physiological process. Broad spectrum Broad spectru...

PE Exam - Civil: Breadth Questions and Answers 100% Solved Soil void ratio, e ️️ratio of volume of voids to the volume of solids soil water content, w ️️ratio of the mass of water to the mass of solids soil density, rho (p) ️️ratio total mass over total volume allowable stress = ️️material strength / safety factor allowable strength design method allowable stress ️️In allowable strength design method, actual calculated stress cannot exceed.... Abutments ️️struc...

SWS3022 Exam 3 Questions and Answers All Correct Define an acid - Answer-Any substance which increases the hydrogen ion concentration in a solution. Know the two ions considered acids in soils` - Answer-Hydrogen & Aluminum Understand how aluminum contributes to soil acidity - Answer-Aluminum has the ability to facilitate the splitting of water and react with the resulting H+. Aluminum reacts with water to bind to the hydroxide, leaving the hydrogen ion not neutralized (so lots of H+'s). ...

UNIT 4 TEST APES with complete solutions 2024/2025 Which practice does NOT accelerate erosion of soil? a. Logging b. Agriculture c. Planting trees d. Road building e. Construction - correct answer planting trees The A horizon of soil is I. a zone of organic material. II. also known as topsoil. III. called the A horizon because it is created artificially. a. I and II b. I, II, and III c. I only d. III only e. II only - correct answer I and II Nuclear power plants in s...

Certified Crop Advisor Western Region Exam With 100% Correct Answers Size of sand and its characteristics - answer.05mm to 2.0mm, lower CEC, lower water holding capacity Size of silt - answer.002mm - .05mm Size of Clay - answerless than .002mm Define bulk density - answerthe ratio of the mass of soil to its bulk volume. expressed in g/cm3 How does bulk density differ with soil texture - answersandy soil has higher bulk density because has less overall pore space. Bulk density ranges of...

Which of the following items is not an Atterberg limit? Ans: Water Content The _________ is the water content at which soil changes from liquid state to plastic state. Ans: Liquid Limit The Atterberg limits tests are applied to soils passing No. ___ sieve. Ans: 40 For a soil sample, the liquid limit is 32% and the plastic limit is 11%. What is the plasticity index (PI)? Ans: 21 According to AASHTO soil classification system, which of the following soils can be called granular soils? ...

Certified Crop Advisor Western Region Exam With 100% Correct Answers Size of sand and its characteristics - answer.05mm to 2.0mm, lower CEC, lower water holding capacity Size of silt - answer.002mm - .05mm Size of Clay - answerless than .002mm Define bulk density - answerthe ratio of the mass of soil to its bulk volume. expressed in g/cm3 How does bulk density differ with soil texture - answersandy soil has higher bulk density because has less overall pore space. Bulk density ranges of...

CRSS 3060 Exam 1 Study Guide with Complete Solutions What is soil? - Correct Answer ️️ -1. The surface layer of Earth that supports plant life, any place for growth or development, ground or earth 2. Soil = Air + Water + Solids 3. Sand, Silt, Clay What are the five functions of soil? - Correct Answer ️️ -1. Medium for plant growth 2. Water supply & purification 3. Nature's recycling system 4. Habitat for organisms 5. Engineering medium How many inches of rain per year do we ge...