RDM (mg cm−3) | |||
---|---|---|---|
Pure pea | Pea/linseed | Pea/wheat | |
2009 | 0.286c | 0.332bc | 0.336bc |
2010 | 0.315bc | 0.327bc | 0.264c |
2011 | 0.491a | 0.497a | 0.415ab |
Nitragina | Photrel | Nitragina + Photrel | |
2009 | 0.334cd | 0.288d | 0.309d |
2010 | 0.309d | 0.313d | 0.304d |
2011 | 0.429b | 0.428bc | 0.562a |
Nitragina | Photrel | Nitragina + Photrel | |
Pure pea | 0.343ab | 0.347ab | 0.379a |
Pea/linseed | 0.360ab | 0.361ab | 0.390a |
Pea/wheat | 0.381ab | 0.268b | 0.364ab |
ICEROOT | ||
---|---|---|
Pea/linseed | Pea/wheat | |
009 | −14.3 | −16.1 |
2010 | −1.24 | 13.0 |
2011 | −3.29 | 14.7 |
Weather conditions | Year | March | April | May | June | July |
---|---|---|---|---|---|---|
Temperature (°C) | 2009 | 3.8 | 12.5 | 14.2 | 15.9 | 20.0 |
2010 | 4.0 | 7.5 | 11.7 | 16.7 | 20.4 | |
2011 | 2.0 | 9.7 | 13.2 | 17.4 | 17.3 | |
Long-term average | 8.3 | 13.6 | 16.4 | 18.2 | 17.9 | |
Precipitation (mm) | 2009 | 96.6 | 5.6 | 55.2 | 109.2 | 137 |
2010 | 17.0 | 66.5 | 193.2 | 103.5 | 208.5 | |
2011 | 31.1 | 29.2 | 71.5 | 99.5 | 167.5 | |
Long-term average | 48.0 | 65.0 | 66.0 | 78.0 | 76.0 |
MRD (mm) | |||
---|---|---|---|
Pure pea | Pea/linseed | Pea/wheat | |
2009 | 0.534a | 0.529a | 0.553a |
2010 | 0.409bc | 0.436b | 0.334c |
2011 | 0.371bc | 0.382bc | 0.337c |
Root Fractions (root diameter in mm) | RLD (cm cm−3) |
---|---|
0.05–0.1 | 0.3421d |
0.1–0.2 | 1.1719a |
0.2–0.5 | 1.0636b |
0.5–1 | 0.5904c |
1–2 | 0.1789e |
> 2 | 0.0511f |
p-value |
RLD (cm cm−3) | MRD (mm) | RDM (mg cm−3) | Root nodules (plant−1) | ||
---|---|---|---|---|---|
Year (Y) | 2009 | 0.398 | 0.537a | 0.310b | 24.8b |
2010 | 0.454 | 0.402b | 0.309b | 15.9c | |
2011 | 0.420 | 0.366c | 0.476a | 30.2a | |
Crop stand (S) | Pure pea | 0.398 | 0.437a | 0.357 | 20.6 |
Pea/linseed | 0.492 | 0.450a | 0.372 | 20.5 | |
Pea/wheat | 0.430 | 0.408b | 0.338 | 18.7 | |
Treatment (T) | Nitragina | 0.380b | 0.421 | 0.355ab | 19.1 |
Photrel | 0.471a | 0.434 | 0.332b | 20.7 | |
Nitragina + Photrel | 0.426ab | 0.446 | 0.379a | 20.7 | |
ANOVA | |||||
Year (Y) | ns | *** | *** | ** | |
Crop stand (S) | ns | * | ns | ns | |
Treatment (T) | * | ns | ** | ns | |
Y × S | ns | * | * | ns | |
Y × T | ns | ns | *** | ns | |
S × T | ns | ns | * | ns | |
Y × S × T | ns | ns | *** | ns |