Herbicide types

Question 1

S/SP

Answer 1

Solution/soluble powder
+ no agitation, true solution
- inhalation hazard, react to hard water

Question 2

E/EC

Answer 2

Emulsifiable concentrate
+ Non-polar (for waxy plant), less abrasive
- easily absorbed by skin, Phototoxicity, fire (oil)

Question 3

WP

Answer 3

Wetable powder
+ low skin absorption
- abrasive and clogging, hard to measure

Question 4

F/Fl

Answer 4

Flowable
+ easy to handle
- requires agitation, leaves residue

Question 5

DG/DF

Answer 5

Dispersable granules/Dry flowable
+ less dust,
- agitation, trouble mixing with liquid fertilizer

Question 6

ME

Answer 6

Micro encapsulations
+ a.i. enclosed, slow release
- constant agitation, reduced efficacy possible

Question 7

G

Answer 7

Granules
+ a.i. on clay particles or fertilizer, less drift
- Expensive, need rain

Question 8

A

Answer 8

Aerosol
+ very fine
- inhalation, flammable, expensive

Question 9

F

Answer 9

Fumigant
+ One and done
- only closed structures, can penetrate cracks

Question 10

D

Answer 10

Dust
a.i to fine inert powder

Question 11

Order of tank mix

Answer 11

WP, DF, F, EC, S