PHOSPHATE (P
2
O
5
) RECOMMENDATIONS FOR ALFALFA
Yield Potential - tons per acre
Soil Test
5
6
7
8
9
ppm (lb/acre)
lb P
2
O
5
per acre
15 (30)
1
115
130
140
155
165
20 (40)
90
105
115
130
140
25-40 (50-80)
2
65
80
90
105
115
45 (90)
35
40
45
50
60
50 (100)
0
0
0
0
0
1
Values in parentheses are lb/acre.
2
Maintenance recommendations are given for this soil test range.
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Corn, Soybean, Wheat, and Alfalfa Field GuideBulletin 827