ISA - Arborist Certification Test - Chapter 3 2024 Updated with Correct Solutions
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Course
ISA
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ISA
ISA - Arborist Certification Test - Chapter 3 2024 Updated
with Correct Solutions
The majority of fine, absrobing roots of a tree are in the __ and __ horizons. - Answer -o, a
Driving vehicles across wet soil will _____ the soil and destroy soil _____ _____. - Answer -compact, pore
space
_____...
ISA - Arborist Certification Test - Chapter 3 2024 Updated
with Correct Solutions
The majority of fine, absrobing roots of a tree are in the __ and __ horizons. - Answer -o, a
Driving vehicles across wet soil will _____ the soil and destroy soil _____ _____. - Answer -compact, pore
space
_____ ______ is the soil property that resists changes to the pH. - Answer -Buffering Capacity
True/False - Negatively charged clay particles hold cations near their surface. - Answer -True
______ _______ modifies the effects of soil texture as the soil particles form clumps or aggregates. -
Answer -soil structure
On the pH scale, less that 7 is ____, 7 is ____ and more that 7 is _____. - Answer -acidic, neutral, alkaline
A pH of 5 is ____ times more acidic than a pH of 7 - Answer -100
the process in which ions of essential element wash down through the soil profile and are lost is called
______. - Answer -leaching
Many essential elements are dissolved in soil water in the form of positively charged particles called
_____. - Answer -cations
If the soil is to ______, iron an manganese may be in chemical from that is unavailable to trees. - Answer
-alkaline
The ______ is the zone of intense biological activity near the actively elongating roots. - Answer -
rhizosphere
coarse-textured soil particles - Answer -sand
ability to maintain pH - Answer -buffering capacity
soil after gravitational water has drained - Answer -field capacity
tend to be air filled - Answer -macropores
"fungus roots" - Answer -mycorrhizae
ability of a soil to attract and hold cations - Answer -CEC
fine-textured soil particles - Answer -clay
measure of acidity or alkalinity - Answer -pH
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