Table 6 Parameters evaluated in soybean cultivar BRS 1010IPRO with different treatments of inoculation with Bradyrhizobium and co-inoculation with Bradyrhizobium and Azospirillum in field trials performed in areas traditionally cropped with soybean, showing naturalized population of soybean bradyrhizobia, in Florestópolis-PR, Londrina-PR and Ponta-Grossa-PR, Brazil
Treatmenta | Stage V5 | Physiological maturity | |||||||
|---|---|---|---|---|---|---|---|---|---|
Nodulation | Shoot dry weight | N in shoot | N in grains | Grain yield | Mass of 100 grains | ||||
no plant−1 | mg plant−1 | g plant-1 | Content g kg−1 | Total mg plant−1 | Content g kg−1 | Total kg ha−1 | kg ha−1 | g | |
Florestópolis (PR) | |||||||||
T1—Control-N | 26.2n.s.b | 64.3n.s | 1.02 bb | 29.6 a | 30.2 ab | 45.4 c | 124 b | 2722 b | 15.47n.s |
T2—Control + 200 kg N | 25.3 | 65.1 | 1.61 a | 29.7 a | 47.8 a | 46.6 b | 147 ab | 3158 ab | 15.90 |
T3—Peat Brady | 26.2 | 55.8 | 0.93 b | 28.5 ab | 26.5 b | 48.3 ab | 137 ab | 2833 ab | 15.33 |
T4—Liquid Brady | 25.4 | 66.0 | 1.28 ab | 26.9 c | 34.4 ab | 48.0 ab | 131 ab | 2725 b | 15.50 |
T5—Single Brady + Single Azo (trademark) | 26.8 | 62.9 | 0.98 b | 26.7 c | 26.2 b | 49.8 a | 165 a | 3321 ab | 15.60 |
T6—Composite inoculant Brady + Azo | 29.4 | 71.9 | 1.22 ab | 26.2 c | 31.9 ab | 49.0 a | 165 a | 3368 a | 15.85 |
p value | 0.10 | 0.10 | 0.095 | 0.02 | 0.090 | 0.001 | 0.095 | 0.090 | 0.10 |
Londrina (PR) | |||||||||
T1—Control—N | 56.9 a | 207 a | 9.32 n.s | 27.4 n.s | 255 n.s | 44.9 n.s | 184 n.s | 4101 n.s | 17.3 n.s |
T2—Control + 200 kg N | 27.8 b | 85 b | 9.91 | 29.8 | 295 | 45.7 | 186 | 4067 | 17.7 |
T3—Peat Brady | 54.8 a | 215 a | 8.66 | 31.9 | 276 | 45.3 | 187 | 4137 | 17.3 |
T4—Liquid Brady | 55.0 a | 210 a | 8.50 | 31.8 | 270 | 45.1 | 184 | 4080 | 17.1 |
T5—Single Brady + Single Azo (trademark) | 55.6 a | 215 a | 9.20 | 32.4 | 298 | 44.5 | 186 | 4193 | 17.0 |
T6—Composite inoculant Brady + Azo | 46.3 a | 188 a | 8.56 | 31.0 | 265 | 44.8 | 184 | 4112 | 17.2 |
T7—T6 applied in-furrow | 48.2 a | 177 a | 8.63 | 30.9 | 267 | 44.0 | 187 | 4260 | 17.1 |
p value | 0.007 | 0.001 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Ponta Grossa (PR) | |||||||||
T1—Control-N | 20.4 b | 65.0 b | 4.55 b | 38.4 b | 174 c | 44.1 b | 176 b | 4001 b | 16.6n.s |
T2—Control + 200 kg de N | 20.8 b | 32.9 c | 6.75 a | 42.3 ab | 286 a | 43.7 b | 177 b | 4048 b | 16.7 |
T3—Peat Brady | 21.0 b | 67.9 b | 4.58 b | 38.8 b | 177 c | 45.8 ab | 184 b | 4025 b | 16.0 |
T4—Liquid Brady | 20.2 b | 66.0 b | 4.33 b | 38.9 b | 168 c | 46.0 ab | 185 b | 4020 b | 16.1 |
T5—Single Brady + Single Azo (trademark) | 28.9 ab | 85.0 a | 5.40 ab | 42.0 ab | 218 b | 48.9 a | 212 a | 4335 ab | 16.5 |
T6—Composite inoculant Brady + Azo | 26.3 ab | 85.8 a | 5.44 ab | 45.7 a | 249 ab | 48.7 a | 222 a | 4566 a | 16.9 |
T7—T6 applied in-furrow | 31.4 a | 94.8 a | 5.42 ab | 46.6 a | 252 ab | 48.0 a | 221 a | 4528 a | 16.7 |
p value | 0.092 | 0.003 | 0.04 | 0.090 | 0.02 | 0.02 | 0.095 | 0.087 | 0.10 |