Peter planted 510 acres of soybeans following corn. He treated it with 2.5 pints per acre of an herbicide that is sold in 21/ /2-gallon containers at $98.78 per container. Peter applied 31-80-80 units of fertilizer per acre. He used 46-0-0 urea at $503 per ton, 18-46-0 DAP at $702 per ton, and 0-0-60 muriate of potash at $570 per ton. He planted 88 pounds of soybeans per acre at $41.50 per 50-pound bag. He made three trips per acre preparing it for planting, using an average of 0.98 gallon of fuel per trip. Fuel sells for $3.21 per gallon. He used a combine with a 20-foot reel traveling 3.5 miles per hour, using 0.98 gallon of fuel per acre. His field has a harvesting efficiency of 0.78. He had a yield of 46.8 bushels per acre.

Question

a. How many containers of herbicide were purchased?
b. How many tons of fertilizer were applied?
c. How many gallons of fuel were used?
d. From the information given, what was the total expense?
e. Using the formula HC = (S × W × EFF × Y) ÷ 8.25, what was the
harvesting capacity?

Answer 1

a. 64 containers
b. 78.3 tons
c. 1,999.2 gal
d. $100,481.55
e. 310 bu/hr