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What type of herbicide can pass into the vapor phase? - answer
Highly volatile herbicide
What are herbicide kills only part of the plant that it - answer
Contact herbicide
Weeds are plants that grow 3 or more years - answer Perennial
Which of the following factors would have the least effect on the
movement of herbicide from the application site? - answer Type of
soil it is applied to and the type of equipment that is used
What is the time interval that must be observed before animals can
graze on treated site - answer 2 weeks
Is highly volatile herbicide is one that - answer Can readily passed
into the vapor phase
When do perennial plants begin to store food in their roots - answer
Fall
Bushes and shrubs are - answer Low growing woody plant with
several stems
, The herbicide that kills only the parts of the plant that it touches is
known as? - answer Contact herbicide
Which type of herbicide would you use on a highway shoulder where
you need to maintain bare ground? - answer Non selective herbicide
When herbicides are combined with oil and applied to lower parts of
stems and exposed roots this method is called? - answer Basil steam
treatment
Which of the following is a grey powder, insoluble in water, and
releases phosphide gas upon ingestion? - answer Zinc phosphide
A selective herbicide is one that? - answer Kill some species of
plants without harming other species
Which area should you not apply a non-selective residual herbicide?
- answer Parking lot flower beds
What type of herbicide can be combined with non-selective, soil
applied herbicide to improve the control in a weedy area? - answer
Contact herbicides
At what stage would it be most difficult to control bennial weeds
with herbicide sprays? - answer Flowering and seed development
A mixture in which very small particles of one liquid are suspended
in another liquid (for example oil) and water is called what? -
answer An emulsion
What are broad-leaved plants? - answer Leaves that are broad, net
vain, with a taproot or course root system