d_treatment_aim

CODE DESCRIPTION FROM_YEAR TO_YEAR
11 Soil mechanical preparation – Mainly aiming to restore soil physical properties 1984  
12 Soil mechanical preparation – Mainly aiming to help artificial regeneration 1984  
13 Soil mechanical preparation – Mainly aiming to help natural regeneration 1984  
19 Soil mechanical preparation – With another aim (to be described) 1984  
21 Chemical treatment of the stumps of cut trees against pathogenic fungi 1984  
22 Chemical treatment of trees against processionary moth 1984  
29 Other chemical treatment to help the targeted plant species (to be described) 1984  
31 Chemical treatment to eliminate the targeted plant species 1984  
99 Unknown 1984