Practice 8 Keystone LA NXT exam questions with instant feedback and cited explanations.
What type of herbicide application is Keystone LA NXT designed for?
Answer: The product description identifies Keystone LA NXT as a preemergence herbicide.
Which of the following is a target pest controlled by Keystone LA NXT?
Answer: The label states the product is effective against broadleaf species like pigweed and ragweed.
In which of the following locations is the use of Keystone LA NXT prohibited?
Answer: The restrictions state: 'Do not use in Nassau and Suffolk Counties of New York.'
According to the label, what is the maximum weed height allowed at the time of application?
Answer: The restrictions state: 'Do not apply if weeds are greater than 1.5 inches tall at time of application.'
When determining the application rate for Keystone LA NXT, which two factors must be carefully selected to prevent crop injury?
Answer: Users must select rates based on soil texture and organic matter content to prevent crop injury.
Which of these is a required piece of Personal Protective Equipment (PPE) for handling Keystone LA NXT?
Answer: The PPE section requires chemical-resistant gloves (barrier laminate, nitrile, neoprene, or viton).
Under which weather condition should application be avoided?
Answer: The label instructs to avoid application during high wind speeds exceeding 10 mph.
What is the required action before mixing Keystone LA NXT with tank mixes like Balance Pro or Hornet WDG?
Answer: The mixing notes state to always perform a compatibility test first when using certain tank mixes.