Fertilising tree-trunk paste for fruit trees (biodynamic)

Paste of clay, sand, dung, ash, basalt dust, milk, horsetail decoction and nettle slurry, painted in winter on the trunks and branches of fruit trees by biodynamic growers in Argentina; according to the source it strengthens spring budbreak and helps pruning wounds to heal.

Application

Application description: In winter, during dormancy, as a thin coat on the trunk up to 40–60 cm high and on branches; fruit trees, forest trees and perennial shrubs.

Dose: According to the source, these quantities cover 1 hectare of fruit trees.

Tips

Apply straight away: the paste keeps no more than 2–3 days. Use dung from animals not given antibiotics or antiparasitics. The horsetail decoction and nettle slurry have their own recipes on the site.

Preparation process

1. Sieve the ingredients so they are as fine as possible and mix well.
2. Add water to the consistency needed for the application method.
3. First brush the trunk to remove lichens and loose bark.
4. Apply by hand (thick paste), with a brush (thinner) or with a backpack sprayer after straining.

Preparation time

Less than an hour (not counting the horsetail decoction and nettle slurry).

Product obtained

Earthy paste, thick to runny depending on the water added.

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