TABLE 1.
Effect of graded B levels on soil physico-chemical properties at different crop stages in cauliflower-cowpea-okra cropping system (Pooled data 2015–017).
| B-levels (kg ha–1) | Bulk density (BD) |
Soil pH |
Soil organic carbon (%) |
Available N |
Available P |
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| Vegetative stage |
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| Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | |
| B0 | 1.24a | 1.23a | 1.22a | 4.83a | 4.87a | 4.82a | 0.90a | 0.95a | 0.91a | 301.20d | 311.50d | 304.73d | 15.95c | 18.13c | 20.31c |
| B0.5 | 1.23a | 1.22a | 1.21a | 4.85a | 4.88a | 4.85a | 0.95a | 1.01a | 0.94a | 307.25c | 318.65c | 310.95c | 17.00bc | 19.50bc | 21.33bc |
| B1.0 | 1.24a | 1.23a | 1.21a | 4.87a | 4.88a | 4.86a | 0.99a | 1.01a | 0.97a | 314.91bc | 324.6b | 317.61bc | 17.98ab | 20.58b | 22.45ab |
| B1.5 | 1.23a | 1.22a | 1.22a | 4.86a | 4.89a | 4.85a | 1.01a | 1.02a | 0.99a | 322.56b | 329.95b | 324.76b | 18.95ab | 21.55b | 23.41ab |
| B2.0 | 1.23a | 1.22a | 1.21a | 4.86a | 4.89a | 4.85a | 1.01a | 1.04a | 1.00a | 328.06a | 335.35a | 329.83a | 20.03a | 22.63a | 24.70a |
| Mean | 1.23 | 1.22 | 1.21 | 4.85 | 4.88 | 4.85 | 0.97 | 1.01 | 0.96 | 314.80 | 324.01 | 317.58 | 17.98 | 20.48 | 22.44 |
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Reproductive stage in different crops*
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|
Cauliflower
|
Cowpea
|
Okra
|
Cauliflower
|
Cowpea
|
Okra
|
Cauliflower
|
Cowpea
|
Okra
|
Cauliflower
|
Cowpea
|
Okra
|
Cauliflower
|
Cowpea
|
Okra
|
|
| Cis | Fls | Frs | Cis | Fls | Frs | Cis | Fls | Frs | Cis | Fls | Frs | Cis | Fls | Frs | |
|
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| B0 | 1.24a | 1.23a | 1.22a | 4.81a | 4.86a | 4.84a | 0.86a | 0.92a | 0.89a | 301.30d | 307.33cd | 302.63c | 15.63c | 15.49c | 18.98c |
| B0.5 | 1.23a | 1.23a | 1.21a | 4.84a | 4.87a | 4.85a | 0.91a | 0.94a | 0.92a | 306.85bc | 313.20c | 308.55bc | 16.59bc | 16.50bc | 20.02bc |
| B1.0 | 1.24a | 1.23a | 1.21a | 4.84a | 4.87a | 4.85a | 0.95a | 0.96a | 0.93a | 313.51bc | 318.37ab | 315.31bc | 17.54ab | 17.57b | 20.99bc |
| B1.5 | 1.24a | 1.23a | 1.21a | 4.85a | 4.87a | 4.85a | 0.98a | 0.97a | 0.95a | 319.66b | 323.55ab | 321.20b | 18.52ab | 18.62b | 22.00b |
| B2.0 | 1.23a | 1.22a | 1.21a | 4.85a | 4.86a | 4.86a | 1.02a | 0.97a | 0.95a | 324.87a | 328.89a | 326.17a | 19.45a | 19.65a | 23.07a |
| Mean | 1.24 | 1.23 | 1.21 | 4.84 | 4.87 | 4.85 | 0.94 | 0.95 | 0.93 | 313.24 | 318.27 | 253.06 | 17.55 | 17.57 | 21.01 |
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Maturity stage
|
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| Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | Cauliflower | Cowpea | Okra | |
|
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| B0 | 1.24a | 1.24a | 1.22a | 4.82a | 4.85a | 4.86a | 0.82a | 0.93a | 0.91a | 296.40d | 300.82d | 299.10c | 14.89c | 15.37c | 17.65c |
| B0.5 | 1.23a | 1.22a | 1.21a | 4.83a | 4.85a | 4.87a | 0.84a | 0.95a | 0.92a | 302.00c | 307.03cd | 304.70bc | 15.97ab | 16.52bc | 18.72b |
| B1.0 | 1.23a | 1.23a | 1.22a | 4.83a | 4.86a | 4.87a | 0.85a | 0.95a | 0.93a | 308.11bc | 312.53c | 310.81bc | 16.94ab | 17.44ab | 19.73b |
| B1.5 | 1.22a | 1.23a | 1.21a | 4.84a | 4.86a | 4.87a | 0.85a | 0.96a | 0.93a | 312.76b | 317.54b | 315.46b | 17.87a | 18.39ab | 20.69ab |
| B2.0 | 1.22a | 1.23a | 1.21a | 4.84a | 4.86a | 4.88a | 0.86a | 0.97a | 0.94a | 317.56a | 323.01a | 320.26a | 18.81a | 19.41a | 21.84a |
| Mean | 1.23 | 1.23 | 1.21 | 4.83 | 4.86 | 4.87 | 0.84 | 0.95 | 0.93 | 307.37 | 312.19 | 310.07 | 16.90 | 17.43 | 19.73 |
*Cis, curd initiation stage in cauliflower; Fls, flowering stage in cowpea; Frs, fruiting stage in okra. The means followed by a different letter are significantly different at p ≤ 0.05 by Duncan’s multiple range test (values are means of 3-replicates).