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01 جنوری 1992 It is rather extraordinary to think that one small seed can grow into a tree that will live for hundreds of years, reaching a size several metres in diameter. But seeds are delicate, as all farmers know. To maintain their potential to sprout, (or “viability”), seed must be collected, stored, and...
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One of the world's experts on how trees chemically affect the environment, Canadian scientist Diana Beresford-Kroeger is on a mission to save the planet- one newly planted tree at a time. In this new book, she skillfully weaves together ecology, ethnobotany, horticulture, spirituality, science,...
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01 جنوری 2004 This exhaustive, lavishly illustrated A-Z encyclopedia describes tropical and subtropical trees by their specific attributes and profiles, such as color, shape, texture, flowers, foliage, or fruit. It also includes a collection of useful quick-reference checklists that help gardeners, designers,...
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01 جنوری 1997 This booklet contains a variety of activies for children to increase their knowledge of trees. It contains information about Tree identification, seasonal tree changes, researches and fieldwork of trees, benefits of trees and arts and literature about trees. 42 pages, illustrated
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01 جنوری 1974 This book includes 460 species of trees- includes each plant family begins with a family description and a key to all of its species. Also included are briefdescribtions of 40 minor species.
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01 جنوری 2002 A collection of writings on trees and nuts by the West Australian Nut and Tree Crop Association.
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A collection of writings on trees and nuts by the West Australian Nut and Tree Crop Association.
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01 جنوری 2000 A collection of writings on fruits and nuts by the West Australian Nut and Tree Crop Association.
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01 جنوری 2001 The SIM Forestry study Project began in 1999 to bring together various sources of information about highland Ethiopian trees and shrubs, and to identify trees and shrubs that should be further propagated.
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01 جنوری 2004 Orginally published in French, this English translation has colored pictures along with descriptions of individual trees, shrubs and lianas of West African dry zones..