Cover crops | Zinc levels (mg·kg−1) | Average | |||
0 | 10 | 20 | 40 | ||
1. Sunn hemp | 63.10b | 9.23c | 8.47cd | 6.27de | 22.69cde |
2.Smooth crotalaria | 54.53b | 7.17c | 5.03d | 4.26e | 18.25e |
3. Showy crotalaria | 64.30b | 7.31c | 5.69d | 4.64e | 20.39de |
4. Calopo | 55.60b | 17.20bc | 16.49ab | 15.47ab | 23.48bcde |
5. Pueraria | 68.52ab | 13.22bc | 11.17bcd | 8.89cd | 27.10bc |
6. Pigeonpea | 54.74b | 15.44bc | 10.12cd | 12.02bc | 22.30cde |
7. Lablab | 54.61b | 17.09bc | 16.53ab | 15.83ab | 25.06bcd |
8. Black velvet bean | 70.17ab | 20.64b | 13.26bc | 13.31ab | 29.97b |
9. Gray velvet bean | 66.95ab | 23.83b | 14.08bc | 9.15cd | 29.54b |
10. Jack bean | 90.96a | 41.96a | 21.11a | 17.09a | 40.80a |
Average | 64.35a | 17.31b | 12.19c | 10.69c | 26.14 |
F-Test | |||||
Zn levels (Zn) | ** | ||||
Cover crops (C) | ** | ||||
Zn × C | ** | ||||
CV Zn (%) | 20.14 | ||||
CV C (%) | 19.11 |