'Soil texture' diaporamas de présentation

Lecture 23

Lecture 23. Soil Properties and Mechanics. The Soil Profile. Soil Profile - An underground side view of the soil ( ie . the sidewall of a backhoe pit, or other excavation). Views of soil profiles follow in subsequent slides.

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Basic Fertility By Clif Little OSU Extension

Basic Fertility By Clif Little OSU Extension. Mg Def. Important Nutrient Management Tools:. Soil Test Plant Tissue. Next two slides provided by Van Slack. SOIL TEXTURE

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Larry Zibilske, Ph.D. Texas Plant & Soil Lab Edinburg, TX

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Applications to Stormwater Management

Applications to Stormwater Management. Presented by: Mr. Brian Oram, PG, PASEO Wilkes University GeoEnvironmental Sciences and Environmental Engineering Department Wilkes - Barre, PA 18766 570-408-4619 http://www.water-research.net. Nearly 50% of Soil is Space or Space Filled with Water.

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Soil--Lithosphere

Soil--Lithosphere. Mrs. B-Z. Soil--definition. Complex mixture of eroded rock, mineral nutrients, decaying organic matter, water, air, and billions of living organisms. Indirect resources from soil. Provides us with wood, paper, fiber, and medicines. Direct benefits of soil. Purifies water

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Soils & Soil Formation-The Results of Weathering

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Soil

Soil. Objective: I will be able to explain what soil is and why it is important by creating an illustration. What is soil?. Material which nourishes and supports growing plants includes rocks, water, organic material and air. How is soil formed?. Rocks rubbing together for many, many years

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Chapter 18 The Geography of Soils

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PHYSICAL PROPERTIES OF SOIL

PHYSICAL PROPERTIES OF SOIL. INTRO TO SOILS CH 4. SOIL TEXTURE. Describes the proportion of soil particle sizes: Sand Silt Clay Soil Texture influences other traits such as: Water Holding Capacity Aeration. EFFECT OF PARTICLE SIZE.

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Soils

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Soil Types and Textures

Soil Types and Textures. Definitions. Soil Texture The way a soil feels A name given a textural group based on the relative proportions of each size of soil particle. Definitions. Aggregate Mass or cluster of soil particles such as a clod, crumb or granule Soil Structure

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Estimating Soil Moisture by Appearance and Feel

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Water Movement Below Surface

Water Movement Below Surface. Groundwater issues Recharge areas Inorganic pollutants Soil trafficability Location of roads and skid trails Operating seasons. Abandoned wells are most common source of ground water pollution, not surface applied chemicals.

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Understanding Soil Texture and Structure

Understanding Soil Texture and Structure. Soil Texture. Soil Texture: Fineness or coarseness of a soil What are the three soil particles? Sand Silt Clay. Soil Texture. Why is soil texture important? It affects Water-holding Capacity Permeability Soil Workability

484 views • 17 slides

Infiltration

Infiltration. Infiltration definitions. Infiltration rate : the volume of water flowing into the soil profile per unit of surface area per unit time Infiltrability : the infiltration rate resulting when water at atmospheric pressure is made freely available at the soil surface

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Soil: One of Our Natural Resources

Soil: One of Our Natural Resources. Charity I. Mulig. Soil. The portion of regolith that can support plant growth. Inorganic/mineral matter Humos /organic matter Air and water A dynamic interface which responds to changes in the different parts of the earth system. Soil Texture.

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LAND use, MANAGEMENT, and its effects on fertility

LAND use, MANAGEMENT, and its effects on fertility. Land Use.

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Topic - Study of soil formation & physical properties of soil

Physical Properties of Soil . Topic - Study of soil formation & physical properties of soil. Soil Color. Color of soil is very useful tool for providing information about other soil properties as that of -

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Components and Physical Properties of Soil

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