Conversion rates of fertilizers

AREA IN SQUARE FEET POUNDS OF FERTILIZER TO APPLY, WHERE AMOUNT TO BE APPLIED PER ACRE IS:
 
100 LBS.
400 LBS.
800 LBS.

100

.25

1

2

500

1.25

5

10

1,000

2.50

10

20

1,500

3.75

15

30

2,000

5.00

20

40