Zone

Initial value (ft²/d times 1000)

Lower bound (ft²/d times 1000)

Upper bound (ft²/d times 1000)

Estimated value (ft²/d times 1000)

Range of field values (ft²/d times 1000)

1

1500

150

15,000

922

33 - 1300

2

10,000

1000

100,000

10,000

N.A.

3

162

16

1620

292

16-450

4

5000

500

50,000

3317

N.A.

5

30

3

300

22

30

6

60

6

600

257

25

7

20

2

200

200

214