About the Author

Kevin Handreck is the managing director of Netherwood Horticultural Consultants in Adelaide, New South Wales. He chaired the committees that set the Australian standard for potting mixes, composts, soil conditioners, mulches, and soils for landscaping and garden use. He was awarded a Churchill Fellowship in 1982 and the Nursery Industry Association of Australia Award of Merit in 1990. Neil Black is a retired teacher of horticulture and the recipient of the 2006 Australia Day Honours award for services to education.