Biodynamic Preparations Flashcards
BD Prep 500
Description: Manure from a lactating cow placed inside a cowhorn and buried during winter.
Use: Stimulates soil microbial life and encourages root growth.
Application Method: Applied in spring and fall, preferably within half an hour of sunset, on recently worked soil.
What constitutes BD Prep 500?
Manure from a lactating cow is placed inside a cow horn and buried during winter
When is the BD Prep 500 field spray applied?
In the spring and fall, preferably within half an hour of sunset on recently worked soil.
What is BD Prep 500 used for?
Stimulates soil microbial life and encourages root growth.
BD Prep 501
Description: Paste of silica (powdered quartz) and water placed inside a cowhorn and buried during summer.
Use: Encourages photosynthesis and ripening.
Application Method: Applied in late spring or early summer, preferably at sunrise and never on young vines.
Must be applied after Prep 500.
What is the primary component of BD Prep 501?
Silica
What is silica?
powdered quartz
In what season is the BD Prep 501 field spray applied?
In the late spring or early summer, preferably at sunrise and never on young vines. Must be applied after BD prep 500.
What is BD Prep 501 used for?
to encourage photosynthesis and ripening
BD Prep 508
Description: Horsetail plant boiled into a tea.
Use: Fights fungal infections.
Application Method: Can be combined with fungicide and sprayed on the vine or fermented first and sprayed on the soil during the waxing moon.
Must be applied after Preps 500 and 501.
What is the primary component of BD Prep 508?
Horsetail plant
-boiled into a tea
What is the use of BD Prep 508?
It is used to fight fungal infections.
How can BD Prep 508 be applied?
- Combined with fungicide and sprayed on the vine
- fermented first and sprayed on the soil during the waxing moon
BD Prep 502
Description: Yarrow flowers stuffed into deer bladder, dried in the sun, and buried over winter.
Use: Aids in the absorption of nutrients from the soil.
Which biodynamic preparation utilizes Yarrow flowers?
BD Prep 202
What affect does BD Prep 502 have on the soil?
it aids in the absorption of nutrients (from the soil)
Which biodynamic preparation stabilized calcium and nitrogen?
BD Prep 503
BD Prep 503
Description: Chamomile flowers stuffed into a cow intestine, dried in the sun, and buried over winter.
Use: Stabilizes calcium and nitrogen.
BD Prep 504
Description: Stinging nettles buried for a year.
Use: Helps breakdown materials inside compost.
BD Prep 505
Description: Oak bark stuffed inside the skull of a farm animal and stored somewhere moist for the winter.
Use: Reduces soil acidity, wards off disease, and prevents excessive plant growth.
What are the 3 effects of BD Prep 505?
- reduced soil acidity
- wards off disease
- prevents excessive plant growth
BD Prep 506
Description: Dandelion flowers stuffed into the connective tissue of a cow’s stomach, dried in the sun, and buried over the winter.
Use: Aids uptake of silica and potassium.
What is the primary component of BD prep 506?
dandelion flowers
What biodynamic preparation aids in the uptake of silica and potassium?
BD Prep 506
BD Prep 507
Description: Valerian flowers, pressed into a juice.
Use: Heats compost and adds phosphorous.
How is BD Prep 507 applied?
Prep 507 is prepared as a tea, dynamized and sprayed onto the compost pile.
What affect does BD prep 507 have on compost?
- It heats it
- it adds phosphorus
How are the biodynamic compost preparations applied?
Used to treat compost six months before the compost is applied in the vineyard. Preps 502-506 are added individually to holes in the compost pile.
Prep 507 is prepared as a tea, dynamized and sprayed onto the compost pile.
