Humus per la Biosfera – Workshop on Pruning in Sustainable Agriculture
Pruning is an important and beneficial method of tree maintenance. It improves the light availability and the plants health on a long term and reduces damages through dead, broken and falling branches and guaranties more safety on the property. Furthermore, carbon is sequestered in the soil by the dying of root mass corresponding to those of the cut branches. Another positive climate effect is the later use of the tree cuttings, which we recommend, for the production of plant charcoal, which in turn can be brought into the soil as a Terra Preta mixture, where it acts as an extremely long-term carbon store.
The workshop focused on the cutting of olive trees since they are very common in the aera.
The challenge is, to find a reasonable compromise between the needs of the tree and the interests of the human: The tree needs light and space, while the farmer is interested in quantity and quality of the fruits as well as an easy harvest.
After the theoretical explanation of the pruning history and his recommended method, Grigoli guided the participants at pruning two example trees to deepen the knowledge.
In addition, we documented the event with videos. The material will be used to create a pruning tutorial online. Through this the workshop gains a wider range and reaches farmers all over Italy.
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