Best Practices for Application Flashcards
7 cards from real CFA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Best Practices for Application flashcards as text
What is the significance of the 'guaranteed analysis' on a fertilizer label?
Answer: It legally specifies the minimum percentages of declared nutrients in the product
The guaranteed analysis on a fertilizer label legally certifies the minimum percentages of nitrogen, phosphate, and potash and any other declared nutrients.
An applicator is using a liquid fertilizer injected into an irrigation system. What critical step must be taken to prevent backflow contamination?
Answer: Install and maintain a functioning backflow prevention device
A backflow prevention device is required when injecting fertilizers into irrigation systems to prevent contamination of potable water supplies.
What is the recommended soil temperature for fertilizing cool-season grasses in fall?
Answer: Between 50°F and 65°F when root activity remains strong
Cool-season grasses actively grow roots at soil temperatures between 50°F and 65°F, making fall the ideal time for fertilization to strengthen roots before winter.
When storing fertilizer, why must it be kept away from pesticides, fuels, and oxidizing materials?
Answer: Some fertilizer and chemical combinations create fire, explosion, or toxic gas hazards
Certain fertilizers, especially ammonium nitrate, can react violently with fuels, oxidizers, and some pesticides, creating fire, explosion, or toxic gas risks.
Which type of spreader provides the most uniform distribution of fertilizer on irregularly shaped turf areas?
Answer: Drop spreader
Drop spreaders apply fertilizer only directly below the hopper, providing precise, uniform distribution with clear edges that work well on irregularly shaped areas without overlapping.
What is 'luxury consumption' in the context of plant nutrient uptake?
Answer: Plants absorbing more nutrients than needed for optimal growth
Luxury consumption occurs when plants absorb nutrients in excess of what is needed for growth, often when soil nutrient levels are very high, which wastes inputs and increases leaching risk.
What should an applicator do if a fertilizer spill occurs near a storm drain?
Answer: Sweep or vacuum dry material and contain liquid spills; never wash into drains
Spills near storm drains must be contained by sweeping or vacuuming dry material or containing liquid spills; flushing fertilizer into storm drains violates environmental regulations.