Experimental treatments | Root diameter (mm) | ||
March | April | May | |
Organic farming | 53.7 ± 4.2zay | 73.4 ± 9.3a | 71.5 ± 6.5a |
Conventional farming | 52.0 ± 6.9a | 75.2 ± 6.1a | 71.4 ± 9.4a |