How many acres are being treated with a 980-foot center pivot with a 50-foot end gun?

Study for the Private Applicator Agricultural Pest Control Test with a variety of questions and explanations. Prepare effectively for your certification exam!

Multiple Choice

How many acres are being treated with a 980-foot center pivot with a 50-foot end gun?

Explanation:
The amount of land treated is estimated by using a circular area whose radius is about half the system’s maximum reach. The center pivot length is 980 ft and the end gun adds 50 ft, so the farthest point water can reach from the center is 980 + 50 = 1030 ft. The average radius for the swept area is roughly half of that, about 515 ft. The area of a circle with radius 515 ft is A ≈ π × (515)^2 ≈ 833,000 square feet. Converting to acres (divide by 43,560) gives approximately 19.1 acres.

The amount of land treated is estimated by using a circular area whose radius is about half the system’s maximum reach. The center pivot length is 980 ft and the end gun adds 50 ft, so the farthest point water can reach from the center is 980 + 50 = 1030 ft. The average radius for the swept area is roughly half of that, about 515 ft. The area of a circle with radius 515 ft is A ≈ π × (515)^2 ≈ 833,000 square feet. Converting to acres (divide by 43,560) gives approximately 19.1 acres.

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