| Parent | |||
|---|---|---|---|
Biology 14.7m papers | Environmental science 8.2m papers | ||
| Current | |||
Agroforestry 504k papers | |||
| Child | |||
Forest management 70.1k papers | Cover crop 20.7k papers | Rangeland 20.7k papers | Afforestation 12.7k papers |
Crop protection 11.3k papers | Silviculture 8,811 papers | Reforestation 6,612 papers | Tree planting 5,927 papers |
Old-growth forest 4,536 papers | Natural forest 3,657 papers | ||