Table 2 Co-occurrence and total link of selected significant all author keywords on MFCCSY based on web of science literature search between 2003 and 2021
Keyword | Occurrence | Total link |
|---|---|---|
Crop/maize/grain yield | 162 | 168 |
Climate change/variability | 140 | 139 |
Maize/corn | 126 | 126 |
Fertilizer (manure, compost, nitrogen/nitrogen fertilizer) | 126 | 125 |
Soil/soil quality/physical properties/SOC | 91 | 87 |
Cropping systems | 49 | 49 |
Soil fertility | 19 | 19 |
Climate smart agriculture/climate change adaptation/mitigation | 19 | 19 |
Nitrogen use efficiency | 15 | 15 |
Biochar | 14 | 14 |
Nutrient management/integrated nutrient management | 14 | 14 |
Temperature | 14 | 14 |
Irrigation | 13 | 13 |
Drought | 11 | 11 |
Yield gap and stability | 10 | 10 |
Nitrate leaching | 9 | 9 |
Phosphorus | 6 | 6 |