Table 1.
Soil bulk density (g cm-3) as affected by tillage and cropping system in 2014.
| Cropping system |
|||||
|---|---|---|---|---|---|
| Experiment | Tillage system | CMZ | SB–MZ | SB/MZ | Mean |
| Mother trial site | CT | 1.50a | 1.52a | 1.45a | 1.49A |
| MT | 1.62a | 1.65a | 1.51a | 1.59AB | |
| NT | 1.66a | 1.79a | 1.68a | 1.71B | |
| Mean | 1.59a | 1.65a | 1.54a | ||
| Baby trials (n = 5) | CT | 1.56a | 1.50a | 1.53A | |
| NT | 1.69a | 1.66a | 1.68B | ||
| Mean | 1.63a | 1.58a | |||
CT, conventional tillage; MT, manual tillage; NT, no-tillage; CMZ, continuous maize;
SB–MZ, soybean–maize rotation; SB/MZ, soybean/maize intercrops.
Means within a column followed by similar upper case letters are not significantly different.
Means within a row followed by similar lower case letters are not significantly different.