Simon Leake is a soil scientist and Director of
SESL Australia. He has over 30 years of experience in the analysis,
diagnosis, specification and quality assurance of agricultural
soils and landscape soil media and has been lecturing and writing
in the soil sciences for amenity and environmental horticulture for
over 25 years.
Elke Haege is an award winning landscape architect
and consulting arborist who is dedicated to the development of and
sustainable connection to natural systems.
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