Frost Flashcards
1
Q
The 2 types of frost
A
Adjective frost
Radiation frost
2
Q
Radiation frost
A
Where warmth is radiated away from the soil on cold, cloudless nights. A cold inversion layer forms in low areas. Katabatic winds carry cold air by gravity downhill. Can be easily predicted based on temp and humidity during the late afternoon.
3
Q
What increases risk of frost.
A
Low soil moisture.
4
Q
Warm winters may induce
A
Early bud burst and dry soil increasing risk of frost.
5
Q
Soil management
A
- Sprinkler irrigation prior to frost.
Rolling to compact vegetation.
Low cut mid-rows.
Cultivation of cover crops is beneficial only if soil moisture remains high.
6
Q
Varieties with fruitful secondary buds.
A
Sauvignon Blanc
