Zelje
1. phase
Leaf development 3-9 true leaves (from planting to 9 true leaves)
Duration:
20 % growing season length
Crop coeficient:
0.30
Rooting depth:
8 cm
BBCH-scale:
13-19
Drought sensitivity:
Sensitive
2. phase
Start of head formation, up to 20% of expected head
Duration:
20 % growing season length
Crop coeficient:
0.95
Rooting depth:
10 cm
BBCH-scale:
41-42
Drought sensitivity:
High sensitivity
3. phase
Start of head formation, up to 50% of expected head
Duration:
20 % growing season length
Crop coeficient:
1.05
Rooting depth:
15 cm
BBCH-scale:
42-45
Drought sensitivity:
/
4. phase
Start of head formation, up to 80% of expected head
Duration:
20 % growing season length
Crop coeficient:
1.05
Rooting depth:
25 cm
BBCH-scale:
45-48
Drought sensitivity:
/
5. phase
Typical size, shape and firmness achieved
Duration:
20 % growing season length
Crop coeficient:
1.03
Rooting depth:
30 cm
BBCH-scale:
49
Drought sensitivity:
Sensitive
