CFA Fertilizer Application Equipment 2

Question 1

What is the primary purpose of a boom sprayer's pressure regulator in liquid fertilizer application?

Accepted Answer

To maintain consistent operating pressure throughout the boom

Answer

A pressure regulator maintains consistent operating pressure to ensure uniform application rates across all nozzles on the boom.

Question 2

When calibrating a dry fertilizer spinner spreader, what measurement is most critical to verify?

Accepted Answer

The actual spread width and uniformity pattern

Answer

Verifying the actual spread width and uniformity pattern ensures even coverage and prevents over- or under-application in field areas.

Question 3

Which nozzle type is best suited for reducing drift during liquid fertilizer application in windy conditions?

Accepted Answer

Air induction (venturi) nozzle

Answer

Air induction nozzles produce large droplets with air bubbles that resist wind drift while still providing adequate coverage.

Question 4

A fertilizer applicator notices uneven streaking in the field after using a dry spinner spreader. The most likely cause is:

Accepted Answer

Worn or damaged spinner blades

Answer

Worn or damaged spinner blades alter the trajectory and distribution of granules, causing uneven streaking patterns.

Question 5

What does 'overlap' in fertilizer spreader operation refer to?

Accepted Answer

The area where adjacent spreading patterns intersect

Answer

Overlap is the intentional intersection of adjacent spread patterns to ensure uniform coverage without gaps between passes.

CFA Practice Test