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
Zelje - Leaf development 3-9 true leaves (from planting to 9 true leaves)

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
Zelje - Start of head formation, up to 20% of expected head

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: /
Zelje - Start of head formation, up to 50% of expected head

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: /
Zelje - Start of head formation, up to 80% of expected head

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
Zelje - Typical size, shape and firmness achieved