Fertilization of Landscape Trees Test

Fertilization of Landscape Trees Test
Please fill out your email address in the first box and your name, ISA cert. no. & specialty in the second box. Answer the questions below and when you are finished, press submit.

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Question: 1. Fertilizer should be applied to:
trees from nurseries.
conifers.
trees in native soil.
none of the above.

Question: 2. The best indicator of whether fertilization is necessary is:
shoot growth for the past three years.
a soil test.
foliage color.
tree location.

Question: 3. Improper fertilization is caused by:
calculation errors.
wrong chemical mix.
poor application technique.
all of the above.

Question: 4. The best time to fertilize trees is:
very late winter.
very early fall.
mid spring.
late summer.

Question: 5. High rates of phosphorous should be applied if:
near lakes and streams.
mixed with herbicide.
needed by a broadleaf tree.
indicated by a soil test.

Question: 6. On young landscape trees where rapid growth is desirable, use:
0.1 - 0.2 lb N per 100 sq. ft.
0.1 - 0.3 lb N per 100 sq. ft.
0.2 - 0.5 lb N per 100 sq. ft.
0.2 - 0.4 lb N per 100 sq. ft.

Question: 7. Which statement is true:
Excess nitrogen fertilizer will not cause fertilizer burn.
Excess nitrogen fertilizer will not push development faster than the roots can support.
Excess nitrogen fertilizer will not cause a drought condition.
Excess nitrogen fertilizer can be reversed by flood water.

Question: 8. Plants respond best to surface applications of fertilizer:
applied by hand.
applied by mechanical spreader.
spread in the summer.
broadcast over the area where the tree roots lie.

Question: 9. The drill-hole application method involves:
digging holes in parallel lines.
digging holes in concentric circles.
foliar applications, usually made to digging holes in a random pattern.
digging holes in a grid pattern 2 feet apart.

Question: 10. Foliar applications are made to:
fertilize the leaves.
correct long term deficiencies.
ease fertilization efforts.
correct particular micronutrient problems.

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