资源 标记: Ornamental Trees
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1976-01-01 This book and its companion volume on diseases are reference manuals that cover the major biotic pests and environmental problems associated with woody ornamental plants. This volume covers arthropod pests, providing essential information about most of the more common and important insects,...
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2012-01-01 Well written and easy to understand, An ILLUSTRATED GUIDE TO PRUNING, Third Edition is a must-have for anyone interested in the pruning and maintenance of trees. Filled with updated illustrations, photographs, and examples, this completely updated guide is designed to help readers understand and...
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关键资源 1989-01-01 The aim of this guide is to present results of scientific research on pruning in a way that can be understood easily by all people who care about trees. In this guide I discuss pruning for the desires of man, but also for the health of the trees and their associates. I have tried to make this...