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This video from Lombricultura Guadalajara explains how to harvest a meter of Californian red worm humus, how to dry it and weigh it, to know the number of kilos per square meter. It also explains the time it takes to harvest. With this video you can calculate the production times of your own worm beds by calculating with simple rules of three. Credits: Biologist Salvador Velázquez Lombricultura Guadalajara