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Providing a guide to the cultivation of both the terrestrial and epihytic orchid species growing in South Africa, this volume includes numerous hints, illustrations and photographs to help simplify the process. Detailed growing notes are given for over 60 terrestrial and over 40 epiphytic species.
Orchids of South Africa is the first field guide to local orchids to be published in over 30 years, and presents the more than 450 orchid species found in the region, including Lesotho and Swaziland. A comprehensive roundup of orchids in their natural habitat, the book features: multiple photos for each species, distribution maps, flowering time-bars, succinct text, enabling sure identification of these fascinating plants. An illustrated introduction discusses orchid structure, ecology and conservation status. Informative, colourful and easy-to-use, Orchids of South Africa is the authoritative update enthusiasts have been waiting for.
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This practical guide describes the stage by stage development of a new method for predicting the penetration rate (PR) and the advance rate (AR) for tunnel boring machines based on an expanded version of the Q-value, Qtbm.The book also looks at logging methods and tunnel support design.
This new edition of a now classic work provides an up to date checklist of one of the richest orchid floras - almost 1000 orchid species comprise 10% of Madagascar's high plant diversity, with a remarkable 85% of these unique to the island. This updated edition now illustrates over 250 orchids, and includes almost 100 changes to nomenclature. The diagnostic and descriptive notes on each species have been extended to provide a wealth of information on distribution, habitat and flowering times. An essential book for the botanist, orchid enthusiast, ecologist, environmentalist and field worker who need to have the complete picture on Madagascar's orchid flora.
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Providing a guide to the cultivation of both the terrestrial and epihytic orchid species growing in South Africa, this volume includes numerous hints, illustrations and photographs to help simplify the process. Detailed growing notes are given for over 60 terrestrial and over 40 epiphytic species.