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CCA Exam Soil And Water Management Exam With 100% Correct Answers 2024.

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CCA Exam Soil And Water Management Exam With 100% Correct Answers 2024.

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  • March 23, 2024
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CCA Exam Soil And Water Management Exam
With 100% Correct Answers 2024.
Benefits of Manure Application

Addition of OM, water holding capacity, and soil nutrients

What happens to nitrogen applied through manuring?

It can volatilize about 35% in a week if not incorporated

Roughly how much available water in/ft is in fine sand to loam respectivly

1in to 2in

Definition of field capacity

amount of moisture soil can hold against pull of gravity

Definition of permanent wilting point

soil moisture is held so tight that plants can't obsorb it

Definition of plant available water

soil water difference between field capacity and permanent wilting point

Difference in porosity between tillage systems and no-till systems?

Tillage increases porosity temporarily and no-till increases permanently

Wetting and drying and freezing and thawing does what to soil?

Increases water stable soil aggregates

What is surface crusting?

When raindrops fall, it breaks up the soil and finer clay particles accumulate at the top and reduce water
infiltration

How far can windbreaks protect soil?

10x height of the tree

Definition of sheet erosion?

Film of water forms and moves down the soil taking particles with it

Definition of rill erosion?

Higher volume than sheet erosion

Definition of gully erosion?

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