Soil Test Note – No. P004
Dr. Stanley L. Chapman, Extension Soils Specialist
EXAMPLE FERTILIZERS FOR COMPUTERIZED SOIL TEST RECOMMENDATIONS
|
Soil Test Recommendations (N-P205-K20) |
Example Fertilizers |
|||
|
Example Grade |
Pounds/Acre |
Substitute Grade |
Pounds/Acre |
|
|
40-0-0 45-0-0 50-0-0 60-0-0 |
45-0-0 45-0-0 33.5-0-0 33.5-0-0 |
90 100 150 180 |
33.5-0-0 33.5-0-0 45-0-0 45-0-0 |
120 135 110 133 |
|
20-40-0 80-0-0 100-0-0 30-60-0 |
10-20-0 33.5-0-0 33.5-0-0 10-20-0 |
200 240 300 300 |
18-46-0 45-0-0 45-0-0 18-46-0 |
100 180 225 150 |
|
40-60-0 30-90-0 40-80-0 45-90-0 |
20-30-0 10-30-0 10-20-0 10-20-0 |
200 300 400 450 |
10-20-10 18-46-0 18-46-0 18-46-0 |
300 190 190 210 |
|
60-30-0 30-30-0 40-40-0 45-45-0 |
20-10-0 20-20-0 20-20-0 20-20-0 |
300 150 200 250 |
20-10-10 13-13-13 13-13-13 19-19-19 |
300 230 300 230 |
|
60-60-0 60-80-0 60-90-0 |
20-20-0 15-20-0 20-30-0 |
300 400 300 |
19-19-19 19-19-19 10-20-10 |
300 400 450 |
|
60-40-0 |
30-20-0 |
200 |
18-46-0 +45-0-0 |
100 100 |
|
80-60-0 |
28-21-0 |
285 |
18-46-0 +45-0-0 |
130 130 |
|
100-60-0 |
16-20-0 +45-0-0 |
300 100 |
18-46-0 +33.5-0-0 |
130 230 |
|
80-80-0 |
20-20-0 |
400 |
18-46-0 +45-0-0 |
175 110 |
|
120-90-0 |
18-46-0 +33.5-0-0 |
200 250 |
18-46-0 +45-0-0 |
200 185 |
|
0-45-0 0-50-0 0-60-0 |
0-45-0 0-45-0 0-45-0 |
100 110 133 |
18-46-0 18-46-0 18-46-0 |
100 100 130 |
|
Soil Test Recommendations |
Example Fertilizers |
|||
|
(N-P205-K25) |
Example Grade |
Pounds/Acre |
Substitute Grade |
Pounds/Acre |
|
0-90-0 0-100-0 |
0-45-0 0-45-0 |
200 220 |
18-46-0 18-46-0 |
190 200 |
|
0-40-40 0-50-50 0-40-60 0-60-60 |
0-26-26 0-24-24 0-20-30 0-26-26 |
150 200 200 230 |
6-24-24 6-24-24 6-24-24 6-24-24 |
150 200 200 250 |
|
0-0-60 0-0-90 0-0-120 |
0-0-60 0-0-60 0-0-60 |
100 150 200 |
5-15-30 5-15-30 5-15-30 |
200 300 400 |
|
0-45-90 0-60-90 0-90-90 |
0-15-30 0-20-30 0-26-26 |
300 300 350 |
5-15-30 10-20-30 10-20-20 |
300 300 400 |
|
0-100-50 |
0-30-15 |
333 |
0-45-0 +0-0-60 |
200 100 |
|
20-40-20 20-40-40 30-30-30 |
10-20-10 10-20-20 17-17-17 |
200 200 180 |
12-24-12 12-24-24 13-13-13 |
167 167 230 |
|
20-40-60 30-60-30 40-40-40 30-30-60 |
8-16-24 10-20-10 17-17-17 15-15-30 |
250 300 235 200 |
10-20-20 12-24-12 13-13-13 13-13-13 |
250 250 300 300 |
|
40-40-60 20-80-40 30-60-60 |
10-10-15 6-24-12 10-20-20 |
400 333 300 |
13-13-13 12-24-12 12-24-24 |
400 300 250 |
|
45-45-45 50-50-50 35-70-35 40-40-80 |
17-17-17 17-17-17 10-20-10 10-10-20 |
265 300 350 400 |
13-13-13 13-13-13 12-24-12 13-13-13 |
350 400 300 400 |
|
40-80-40 60-40-60 60-60-60 |
10-20-10 15-10-15 17-17-17 |
400 400 350 |
12-24-12 17-17-17 19-19-19 |
333 350 315 |
|
30-30-90 |
10-10-30 |
300 |
13-13-13 +0-0-60 |
230 100 |
|
30-60-90 |
10-20-30 |
300 |
10-20-10 +0-0-60 |
300 100 |
|
45-45-90 20-80-80 40-80-80 |
14-14-28 6-24-24 10-20-20 |
320 333 400 |
10-10-20 8-24-24 12-24-24 |
450 300 333 |
|
60-90-90 |
16-16-24 |
380 |
18-46-0 +45-0-0 +0-0-60 |
135 80 150 |
|
50-50-100 |
10-10-20 |
500 |
13-13-13 +0-0-60 |
380 100 |
|
Soil Test Recommendations |
Example Fertilizers |
|||
|
(N-P205-K25) |
Example Grade |
Ponds/Acre |
Substitute Grade |
Pounds/Acre |
|
60-80-90 |
15-20-15 |
400 |
18-46-0 +45-0-0 +0-0-60 |
175 65 100 |
|
80-60-60 |
20-15-15 |
400 |
18-46-0 +45-0-0 +0-0-60 |
130 125 100 |
|
80-80-60 |
20-20-15 |
400 |
18-46-0 +45-0-0 +0-0-60 |
175 110 100 |
|
30-90-90 90-60-90 or 100-50-100 |
8-24-24 15-10-15 20-10-20 |
375 600 500 |
12-24-24 5-15-30 +33.5-0-0 |
350 300 250 |
|
100-60-100 |
20-12-20 |
500 |
18-46-0 +45-0-0 +0-0-60 |
130 170 167 |
|
60-80-120 |
12-16-24 |
500 |
17-17-17 +0-0-60 |
350 100 |
|
80-60-120 |
16-12-24 |
500 |
5-15-30 +45-0-0 |
400 133 |
|
80-80-120 |
16-16-24 |
500 |
18-46-0 +45-0-0 +0-0-60 |
175 110 200 |
|
30-120-120 |
6-24-24 |
500 |
8-24-24 |
450 |
|
60-90-90 |
14-21-21 |
430 |
18-46-0 +45-0-0 +0-0-60 |
195 60 150 |
|
90-90-90 |
15-15-15 |
600 |
12-24-24 +45-0-0 |
375 200 |
|
25-100-50 |
6-24-12 |
400 |
18-46-0 +0-0-60 |
200 100 |
|
45-90-45 50-100-50 15-45-90 |
10-20-10 10-20-10 5-15-30 |
450 500 300 |
12-24-12 12-24-12 6-24-24 |
375 400 300 |
|
25-100-100 50-100-100 |
5-20-20 10-20-20 |
500 500 |
6-24-24 12-24-24 |
400 400 |
|
40-40-120 |
10-10-30 |
400 |
17-17-17 +0-0-60 |
235 133 |
|
40-80-120 60-60-120 |
10-20-30 15-15-30 |
400 400 |
8-24-24 17-17-17 +0-0-60 |
400 350 100 |
|
Soil Test Recommendations |
Example Fertilizers |
|||
|
(N-P205-K25) |
Example Grade |
Pounds/Acre |
Substitute Grade |
Pounds/Acre |
|
40-40-40 40-0-60 |
20-0-20 20-0-30 |
200 200 |
13-13-13 33.5-0-0 +0-0-60 |
300 120 100 |
|
50-0-60 |
33.5-0-0 +0-0-60 |
150 100 |
45-0-0 +0-0-60 |
110 100 |
|
60-0-60 |
33.5-0-0 +0-0-60 |
180 100 |
45-0-0 +0-0-60 |
133 100 |
|
80-0-60 |
33.5-0-0 +0-0-60 |
240 100 |
45-0-0 +0-0-60 |
180 100 |
|
50-0-80 |
33.5-0-0 +0-0-60 |
150 133 |
45-0-0 +0-0-60 |
110 133 |
|
45-0-90 50-0-90 |
18-0-37 |
250 |
33.5-0-0 +0-0-60 |
135 150 |
|
60-0-90 or 60-0-100 |
20-0-30 |
300 |
33.5-0-0 +0-0-60 |
200 150 |
|
100-0-90 |
33.5-0-0 +0-0-60 |
300 150 |
45-0-0 +0-0-60 |
200 150 |
|
60-0-120 |
33.5-0-0 +0-0-60 |
180 200 |
45-0-0 +0-0-60 |
133 200 |
|
80-0-120 |
20-0-30 |
400 |
33.5-0-0 +0-0-60 |
240 200 |
|
100-0-120 |
33.5-0-0 +0-0-60 |
300 200 |
45-0-0 +0-0-60 |
220 200 |
October, 1999
The Arkansas
cooperative Extension Service offers its programs to all eligible persons
regardless of race, color, national origin, religion, gender, age, disability,
marital or veteran status, or any other legally protected status, and is an
Equal Opportunity Employer.