Lots of know-how
The volunteers are a clever bunch - whether it's medicinal herbs, forest schooling, tree care, horticulture, bee keeping, local history, garden machinery, conservation or even (ahem) blogging someone will know about it and be keen to pass on their skills and knowledge. For example, we had a volunteer training session for the safe use of petrol strimmers. Strimmers are very good for clearing large areas of scrub, but not as environmentally friendly as slashers or scythes so th