Your own imagination as to the true ability of the permaculture design system, you need to trust the system and stick to main frame basics with profound and thorough thinking while trusting yourself.
Geoff LawtonNature demands a gift for everything that it gives, so what we have to keep doing, is returning [leaves & compost materials] back to the soil, then we're continuously giving the gifts to nature, because we have a return cycle.
Geoff Lawton