Table 6 The number of studies included in the systematic map investigating fertiliser interventions
From: What are the effects of agricultural management on soil organic carbon in boreo-temperate systems?
Intervention | No. of studies |
|---|---|
Inorganic vs organic/other amendment (organic also given an amendment code to describe the type of organic used) | 187 |
Different amounts of N | 299 |
Different application methods | 5 |