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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

  1. What is the primary reason to avoid applying fertilizer on frozen or snow-covered ground?

    Answer: Nutrients will run off with snowmelt into waterways

    Fertilizer applied to frozen or snow-covered ground cannot be absorbed and will run off with snowmelt, causing nutrient pollution in nearby waterways.

  2. Which buffer distance from a water body is most commonly required before fertilizer application can begin?

    Answer: 25 feet

    Many state regulations require a minimum 25-foot vegetative buffer zone between fertilizer application areas and water bodies to reduce nutrient runoff.

  3. When applying granular fertilizer near a sidewalk or driveway, what is the best practice?

    Answer: Blow or sweep granules back onto the turf immediately

    Granules that land on impervious surfaces must be blown or swept back onto turf to prevent them from washing into storm drains and water bodies.

  4. What does the term 'slow-release' fertilizer refer to?

    Answer: A product that releases nutrients gradually over an extended period

    Slow-release fertilizers release nutrients gradually over weeks or months, reducing the risk of leaching and runoff compared to quickly soluble products.

  5. A soil test recommends 1.5 lb of nitrogen per 1,000 sq ft. Your fertilizer bag is 30-0-10. How many pounds of fertilizer do you need per 1,000 sq ft?

    Answer: 5 lb

    Divide the desired nitrogen rate by the nitrogen fraction: 1.5 lb ÷ 0.30 = 5 lb of 30-0-10 fertilizer per 1,000 sq ft.

  6. Why is it important to calibrate a fertilizer spreader before each use?

    Answer: Wear and setting changes can alter actual application rates

    Mechanical wear, setting drift, and product differences can cause uncalibrated spreaders to over- or under-apply fertilizer, leading to poor results or environmental harm.

  7. Which weather condition poses the greatest risk for nitrogen loss through volatilization after a urea application?

    Answer: Hot, sunny, and windy conditions

    Hot, sunny, and windy conditions accelerate the conversion of urea to ammonia gas, increasing volatilization losses before the nitrogen can enter the soil.