d_preparation_type
CODE | DESCRIPTION | FROM_YEAR | TO_YEAR |
---|---|---|---|
11 | Soil mechanical preparation – Any kind limited to the humus and topsoil (<10 cm depth) | 1984 | |
12 | Soil mechanical preparation – Ploughing | 1984 | |
13 | Soil mechanical preparation – Deep loosening with a subsoiler | 1984 | |
14 | Soil mechanical preparation – Bed shaping (to build ridges in wet sites) | 1984 | |
15 | Soil mechanical preparation – Preparation by isolated spots for one or few seedlings | 1984 | |
19 | Soil mechanical preparation – Other (to be described in other information) | 1984 | |
21 | Soil liming – With crushed limestone | 1984 | |
22 | Soil liming – With crushed dolomite | 1984 | |
23 | Soil liming – With wood ash | 1984 | |
29 | Soil liming – With another type of material (to be described in other information) | 1984 | |
31 | Soil fertilization – With synthetic fertilizer | 1984 | |
32 | Soil fertilization – With sewage sludge | 1984 | |
33 | Soil fertilization – With paper mill sludge | 1984 | |
39 | Soil fertilization – With another type of material (to be described in other information) | 1984 | |
41 | Slash removal – Windrowing | 1984 | |
42 | Slash removal – Burning | 1984 | |
43 | Slash removal – Harvesting | 1984 | |
44 | Slash removal – Grinding and scattering | 1984 | |
49 | Slash removal – Other (to be described in other information) | 1984 | |
51 | Stumping – Excavating then windrowing | 1984 | |
52 | Stumping – Excavating then burning | 1984 | |
53 | Stumping – Harvesting | 1984 | |
54 | Stumping – Grinding and scattering | 1984 | |
59 | Stumping – Other (to be described in other information) | 1984 | |
99 | Unknown | 1984 |