Site

SLM Practice

Organic Matter Content (%)

Difference

P-value

SLM

Control

Folly

No-tillage

1.39 ± 0.84

0.73 ± 0.45

−0.6598

0.0039**

Maize residue management

0.91 ± 0.41

0.49 ± 0.20

−0.4129

0.0003**

Soybean-cereal rotation

0.73 ± 0.33

0.55 ± 0.24

−0.1829

0.0563^ns

Hanagbo

No-tillage

1.86 ± 0.72

1.41 ± 0.53

−0.4402

0.0353*

Maize residue management

2.48 ± 0.86

1.61± 0.58

−0.8652

0.0007**

Soybean-cereal rotation

1.93 ± 0.59

1.66 ± 0.61

−0.2613

0.1797^ns