From: What are the effects of agricultural management on soil organic carbon in boreo-temperate systems?
Multiple interventions | No. of studies |
---|---|
Crop rotation and: | Â |
 Amendments | 4 |
 Fertiliser | 2 |
 Tillage | 1 |
Amendments and | Â |
 Crop rotation | 5 |
 Fertiliser | 6 |
 Tillage | 3 |
Fertiliser and: | Â |
 Tillage | 0 |
Multiple confounded | 35 |