Biodynamic Preparations

Question 1

Biodynamic

Field Spray Preparations

Answer 1

500: Manure from a lactating cow

501: Paste of silica (powdered quartz)

508: Horsetail plant

Question 2

Biodynamic

Compost Preparations

Answer 2

502: Yarrow flowers

503: Chamomile flowers

504: Stinging nettles

505: Oak bark

506: Dandelion flowers

507: Valerian flowers

Question 3

Biod Prep 500

Answer 3

500: Manure from a lactating cow

• Placed inside a cowhorn and buried during winter
• Applied in spring and fall, preferably within half an hour of sunset, on recently worked soil

Question 4

Biod Prep 500: Manure from lactating cow

Benefit

Answer 4

500: Manure from lactating cow
* Stimulates soil microbial life and encourages root growth

Question 5

Biod Prep 501

Answer 5

501: Paste of silica (powdered quartz)

• Paste of silica and water placed inside a cowhorn and buried during summer
• Applied in late spring or early summer, preferably at sunrise and never on young vines, must be applied after Prep 500

Question 6

Biod Prep 501: Paste of silica (powdered quartz)

Benefit

Answer 6

501: Paste of silica
* Encourages photosynthesis and ripening

Question 7

Biod Prep 502

Answer 7

502: Yarrow flowers

• Stuffed into deer bladder, dried in the sun, and buried over winter

Question 8

Biod Prep 502: Yarrow Flowers

Benefit

Answer 8

502: Yarrow flowers
* Aids in the absorption of nutrients from the soil

Question 9

Biod Prep 508

Answer 9

508: Horsetail plant

• Boiled into a tea
• 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

Question 10

Biod Prep 508: Horsetail plant

Benefit

Answer 10

508: Horsetail plant
* Fights fungal infections

Question 11

Biod Prep 503

Answer 11

503: Chamomile flowers

• Stuffed into a cow intestine, dried in the sun, and buried over winter

Question 12

Biod Prep 503: Chamomile flowers

Benefit

Answer 12

503: Chamomile flowers
* Stabilizes calcium and nitrogen

Question 13

Biod Prep 504

Answer 13

504: Stinging nettles

• Buried for a year

Question 14

Biod Prep 504: Stinging nettles

Benefit

Answer 14

504: Stinging nettles
* Breakdowns materials inside compost

Question 15

Biod Prep 505

Answer 15

505: Oak bark

• Stuffed inside the skull of a farm animal and stored somewhere moist for the winter

Question 16

Biod Prep 505: Oak bark

Benefit

Answer 16

505: Oak bark
* Reduces soil acidity, wards off disease, and prevents excessive plant growth

Question 17

Biod Prep 506

Answer 17

506: Dandelion flowers

• Stuffed into the connective tissue of a cow’s stomach, dried in the sun, and buried over the winter

Question 18

Biod Prep 506: Dandelion flowers

Benefit

Answer 18

506: Dandelion flowers
* Aids uptake of silica and potassium

Question 19

Biod Prep 507

Answer 19

507: Valerian flowers

• Pressed into a juice

Question 20

Biod Prep 507: Valerian flowers

Benefit

Answer 20

507: Valerian flowers
* Heats compost and adds phosphorous