Basal Areas for common walnut

Basal area data for common walnut (Juglans regia), plus number of stems per area, crown size and stem diameter. Read More


Prune your walnut trees on Saint Swithin’s day

It is Saint Swithin’s Day today, 15th July: the day on which people traditionally watch the weather.  Tradition says that whatever the weather is like on St. Swithin’s Day, it will continue the same for the next forty days. There is a well-known weather-rhyme in Britain: St. Swithin’s day if thou dost rain For forty… Read More

Estimating tree crown size

There is a very good relationship between a tree’s stem diameter and its crown diameter. This can be used in many different ways by foresters, arboriculturists and landscape planners to plan and model tree growth and … Read More