ISA - Arborist Certification Test - Chapter 5 Questions & Answers(RATED A+)
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Course
ISA
Institution
ISA
water - ANSWER-Trees take up essential elements, dissolved in ______, through the roots.
macronutrients - ANSWER-_______ are elements required by trees in relatively large quantities.
nitrogen - ANSWER-The macronutrient ______ is a constituent of chlorophyll and, if deficient, can cause reduc...
ISA - Arborist Certification Test 2023-
2024 - Chapter 5 Questions &
Answers(RATED A+)
water - ANSWER-Trees take up essential elements, dissolved in ______, through the
roots.
macronutrients - ANSWER-_______ are elements required by trees in relatively large
quantities.
nitrogen - ANSWER-The macronutrient ______ is a constituent of chlorophyll and, if
deficient, can cause reduced growth and yellowing of the foliage.
chlorosis - ANSWER-yellowing between the leaf veins is called _______ and may be
the result of mineral deficiencies.
slow-release fertilizers - ANSWER-It is desirable to use ______ ______ ______,
because they release nutrients, usually nitrogen, over an extended period of time.
fertilizer analysis - ANSWER-The ______ _______, listed on the container, gives the
relative percentage of nitrogen, phosphorus, and potassium.
ten pounds - ANSWER-a 50-pound bag of 20-10-5 fertilizer contains ____ pounds of
actual nitrogen.
organic - ANSWER-Manure and sewage sludge are ______ forms of fertilizer
slow-release - ANSWER-if fertilizer "burn" or leaching are potential problems, it may be
desirable to use a ______ ______ fertilizer.
reverse osmosis - ANSWER-If the concentration of salts within the surrounding soil is
much greater than the concentration of solutes found in the root cells, this leads to a
phenomenon known as _______ _______, in which water is "drawn out" of the roots.
True - ANSWER-True/False - Surface application of fertilizer is relatively inexpensive
and makes the fertilizer available in the upper few inches of soil.
micronutrient - ANSWER-Foliar application of fertilizer is sometimes used to correct
________ deficiencies.
fertilizer salts - ANSWER-Wilting, marginal burning, and dieback may be symptoms of
excess ________ _____.
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