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ISA Arborist Test Question and answers 100% correct 2023
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ISA Arborist Test Question and answers 100% correct 2023
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ISA - Arborist Certification Test - Chapter5
water - correct answer Trees take up essential elements, dissolved in ______,
through the roots.
macronutrients - correct answer _______ are elements required by trees in relatively
large quantities.
nitrogen - correct answer The macronutrient ______ is a constituent of chlorophyll
and, if deficient, can cause reduced growth and yellowing of the foliage.
chlorosis - correct answer yellowing between the leaf veins is called _______ and
may be the result of mineral deficiencies.
slow-release fertilizers - correct answer It is desirable to use ______ ______ ______,
because they release nutrients, usually nitrogen, over an extended period of time.
fertilizer analysis - correct answer The ______ _______, listed on the container, gives
the relative percentage of nitrogen, phosphorus, and potassium.
ten pounds - correct answer a 50-pound bag of 20-10-5 fertilizer contains ____
pounds of actual nitrogen.
organic - correct answer Manure and sewage sludge are ______ forms of fertilizer
slow-release - correct answer if fertilizer "burn" or leaching are potential problems, it
may be desirable to use a ______ ______ fertilizer.
reverse osmosis - correct 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 - correct answer True/False - Surface application of fertilizer is relatively
inexpensive and makes the fertilizer available in the upper few inches of soil.
micronutrient - correct answer Foliar application of fertilizer is sometimes used to
correct ________ deficiencies.
fertilizer salts - correct answer Wilting, marginal burning, and dieback may be
symptoms of excess ________ _____.
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