of
- - - - Land Application
B_s_line
ae_
New Practice
Rates)
Load
_ _ N loss _ _
P loss
N loss
P loss
N
P
__
Low Hlgh_ _ _ Low
Low
High
Hlgh
Low ---
Low--
Hlgh
Hlgh
Land
kg/ha-year
kg/ha-year
.Poultry x
2
rates
22.4
44.8
5
89 6
11.2
22 4
0.71
89.6 11.2 22.4
Poultry x
3
rates
268.6 33.6 2
67.2
69.6
.
2
11.2
22.4
0.71
179.2 22.4 44.8
--
4x
rates
358.6 44.0
89.7
2.9
89.6
11.2
22.4
0.71
269 33.6 67.3
2x agronomic rates
179.2 22.4
44.8
1.5
89.6
11.2
22.4
89.6 11.2 22.4
3x
rates
268.8 33.6 6 7 . 2
Swlne
11.2 2 2 . 4
0.71
179.2 22.4 44.8 `1.4'
44.8
4x agronomic rates
89.7
2.9
89.6
Swine
11.2
22.4
0.71
269 33.6 67.3
Cost
E f f e c tCiosv e n e s s
t
N
P
-
-
Low
Low
Low
Land Application at:
$/ha-year
reduced
Using cost flgures based on a 20 year lagoon llfe span
Poultry
2x agronomic rates
2
3
6
977
21.05
10.90
298.38
43.60
Poultry
3x_agronomic rates
236
977
10.52
5.45
158.20
21.80
_
_
Poultry
236
- x-
4
rates
977
7.02
3.63
107.63
2x
rates
Swine
106
435
9.45
4.86
133.99
19.43
___
106
3x
435
4.73 _
_ 2.43
71.04
9.71
___
_
rates
106
- x-
4
435
3.15
1.6_
2
40.33
6.47
Uslng cost
based on a 10
lagoon
span
rates
312
1,294
27.86
2x
14.44
394.94
57.77
3x agronomic rates
3x- agronomic rates
-
--
4x agronomic rates
Swine
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