Treatments common to both sites are quarterly fertilization (macro- and micronutrients) and unmanipulated. At El Verde, a third set of plots was subject to a one time removal of litter and woody debris generated by Hurricane Hugo (September 1989). The following table offers a map of the treatments performed at the plots:
Quarterly fertilization (macro- and micronutrients) and unmanipulated
| Site | Block | Plot | Treatment | |
| El Verde | 1 | 1 | L |
Where, PE = Pico del Este area NA= Not apllicable; blocks do not exist at the PE area |
| El Verde | 1 | 2 | F | |
| El Verde | 1 | 3 | C | |
| El Verde | 1 | 4 | W | |
| El Verde | 1 | 5 | T | |
| El Verde | 2 |
1 | F | |
| El Verde | 2 | 2 | W | |
| El Verde | 2 | 3 | T | |
| El Verde | 2 | 4 | L | |
| El Verde | 2 | 5 | C | |
| El Verde | 3 | 1 | T | |
| El Verde | 3 | 2 | W | |
| El Verde | 3 | 3 | L | |
| El Verde | 3 | 4 | C | |
| El Verde | 3 | 5 | F | |
| El Verde | 4 | 2 | L | |
| El Verde | 4 | 3 | C | |
| El Verde | 4 | 5 | F | |
| PE | NA | 1, 3, 6, 8, 9, 12 | C | |
| PE | NA | 2, 4, 5, 7, 10, 11 | F |