E7D24.

Horticulture: Unite Grade A fully answered

Which is the BEST inorganic growing media?


A. Bark
B. Compost
C. Peat moss
D. Vermiculite - (correct answer)D. Vermiculite


The high carbon-to-nitrogen ratio of non-decomposed sawdust and wood shavings
affects nitrogen in growing media by:


A. Acting as a fertilizer
B. Increasing availability for plant use
C. Making it unavailable for plant use
D. stimulating plant growth - (correct answer)C. Making availability for plant use


A soil test report will include:


A. Cost of fertilizer
B. Cost of time
C. Recommended planting time
D. Suggested fertilizer rate - (correct answer)D. Suggested fertilizer rate


Tamicka uses a commercial blend of horticulture soil because she can depend on the
pH of the product being:


A. Acidic

, B. Alkaline
C. Basic
D. Neutral - (correct answer)D. Neutral


What is the texture of soils that have about equal parts of sand, clay, and silt?


A. Clayey
B. Loamy
C. Sandy
D. Silty - (correct answer)B. Loamy


Marcy mixes perlite in her soil-less mix. What is perlite?


A. Bark from a pecan tree
B. Dead plant material
C. Natural volcanic rock
D. Product of seaweed - (correct answer)C. Natural volcanic rock


Rory is studying the pH scale. What number represents neutral?


A. 3
B. 5
C. 7
D. 9 - (correct answer)C. 7


Which pH reading is alkaline?