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