Fertilizer types | Rate |
| Red river clay |
| Glenhope loamy sand | ||||
N | P | BY | N | P | BY | ||||
mg∙pot−1 | g∙pot−1 | mg∙pot−1 | g∙pot−1 | ||||||
CONT | 0 |
| 92.2 | 35.3 | 7.3 |
| 96.7 | 12.6 | 5.4 |
PMC | 60 |
| 167.6 | 41.6 | 9.9 |
| 144.8 | 25.1 | 7.7 |
PMC | 120 |
| 177.4 | 45.6 | 10.4 |
| 194.2 | 30.8 | 9.8 |
PMN | 60 |
| 104.0 | 37.9 | 6.6 |
| 112.0 | 24.9 | 6.5 |
PMN | 120 |
| 97.24 | 42.0 | 6.8 |
| 108.0 | 31.2 | 6.2 |
UREA | 60 |
| 150.6 | 34.5 | 8.7 |
| 141.9 | 11.2 | 7.6 |
UREA | 120 |
| 192.2 | 34.4 | 10.4 |
| 185.4 | 11.6 | 8.6 |
SE |
|
| 13.29 | 4.22 | 0.69 |
| 12.1 | 1.60 | 0.6 |
Source effect |
|
|
|
|
|
|
|
|
|
PMC |
|
| 172.5 | 43.6a | 10.1a |
| 169.5a | 27.9a | 8.8a |
PMN |
|
| 100.6b | 40.0ab | 6.7b |
| 110.0b | 28.1a | 6.4b |
UREA |
|
| 171.4a | 34.5b | 9.6a |
| 163.7a | 11.4b | 8.1a |
SE |
|
| 10.50 | 2.79 | 0.48 |
| 9.51 | 1.37 | 0.45 |
Rate effect |
|
|
|
|
|
|
|
|
|
0 |
|
| 92.2b | 35.3b | 7.3b |
| 96.7c | 12.6b | 5.4b |
60 |
|
| 140.7a | 38.0ab | 8.4a |
| 132.9b | 20.4a | 7.3a |
120 |
|
| 155.6a | 40.7a | 9.2a |
| 162.6a | 24.5a | 8.2a |
SE |
|
| 13.10 | 2.68 | 0.52 |
| 9.42 | 2.23 | 0.45 |
Model effect |
| d.f. | p value | d.f. | p value | ||||
N Source |
| 2 | <0.0001 | 0.1569 | <0.0001 | 2 | <0.0001 | 0.0001 | <0.0001 |
N Rate |
| 2 | 0.0065 | 0.4011 | 0.0789 | 2 | 0.0008 | 0.0078 | 0.0009 |
Source × Rate |
| 4 | 0.3383 | 0.8798 | 0.5667 | 4 | 0.0764 | 0.2441 | 0.1978 |