Table 2. Average Returns to Variable-Rate Application of Nitrogen and Water (RVRT*) for
Selected Management Zone Proportions
|
Proportion of Field____________ |
______________________Average RVRT* a________________________ | ||
|
Management Zone 1 |
Management Zone 2 |
Management Zone 3 | |
|
0 |
$44.41 |
$2.92 |
$10.72 |
|
0.1 |
$41.74 |
$41.59 |
$22.14 |
|
0.2 |
$38.92 |
$50.33 |
$31.69 |
|
0.3 |
$35.91 |
$50.36 |
$39.60 |
|
0.4 |
$35.71 |
$47.93 |
$42.54 |
|
0.5 |
$29.19 |
$40.94 |
$50.25 |
|
0.6 |
$25.33 |
$34.04 |
$52.25 |
|
0.7 |
$20.97 |
$26.34 |
$50.98 |
|
0.8 |
$15.86 |
$18.05 |
$44.80 |
|
0.9_______________ |
__________________$9.43 |
_________________$9.26 |
_______________$30.45 |
a Average RVRT*, represented by the fixed λ in the first column and the management zone in
the column, is determined by averaging the RVRT*s for fields with all combinations of the
other twoλ s. For instance, the $9.43/acre return in the column headed Management Zone 1 is
the average return when the field is 90% management zone 1 and either 10% management zone
2 ($16.38/acre) or 10% management zone 3 ($2.37/acre).
16
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