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Tropical Trees: A Practical Manual for Growing Good Nursery Stock

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Format: Book- Hardback
ISBN-13: 9780850928525
Author: K A Longman
Publication Date: 01-Jan-2002
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Number of Pages: 226

Description: This Manual is the third in a series of readable, well illustrated handbooks about propagating and planting tropical trees. The five Manuals have been designed to provide clear and concise information on how to select, grow, plant and care for tropical trees, in both moist and drier parts of the tropics. They are intended for anyone interested in growing trees, from the small-holder to the large-scale grower, from local communities to national governments and from school and further education teachers to research and extension staff of agricultural and forestry departments. They provide illustrated, step-by-step instructions, practical guidelines and an outline of the thought processes behind them. Manual 3 deals with the all-important stage of the tree nursery. Growing good planting stock that is likely to establish successfully in the field depends on: choosing a suitable site for the tree nursery; having some understanding of how tropical trees grow; selecting appropriate genetic origins of seeds and cuttings; producing young trees with favourable root systems; recognising the important relationships between trees and micro-organisms; building a well-trained nursery team; and looking after the young trees carefully. The procedures described in this series of Manuals may be used with the majority of woody species to provide diverse seedling or clonal mixtures. They include techniques for ‘domestication’, so that superior planting stock can increasingly be used. This can help to capture more rapidly the great potential for multiple usefulness offered by tropical trees, while also encouraging conservation of their genetic resources.

Table of Contents: Introduction Why grow tropical trees? Do I need a tree nursery? Overcoming problems when growing trees What makes a good tree for planting? ‘Domestication’ of trees Containers and potting mixes Growing trees for research   General principles of tree growth Introduction: how trees grow Expanding root systems Growing stems, leaves and branches Maintaining the water balance Absorbing, making and moving substances Experiments with young trees in pots   Planning a tree nursery Introduction: choosing the site Temporary or permanent? Size, shape and layout Nursery soils Supplies of water and soil mixes Protecting the whole nursery Setting it up   Micro-organisms, nutrients and tree growth Introduction: close associations with roots Mycorrhizas: fungi plus tree roots Nitrogen-fixing root nodules Wastes, composts and fertilisers Size of planting stock   Protecting growing trees Introduction: care and checks Avoiding various kinds of stress Potting up and transplanting into beds Watering nursery trees Weeding Dealing with diseases and pests Fences, hedges and gates Preparing young trees for planting Special conditions for research trees   Running a tree nursery Introduction: training and maintenance Tools and materials The nursery team Useful contacts Planning ahead, labels and records Assessing pot experiments   Check-lists, sources and records Check-list for nursery trees not growing well Some information about nurseries Some information on tree growth Estimating quantities Record sheet for seeds, cuttings and plants collected for received Record sheet for batches of plants grown Record sheet for checks made during nursery propagation Record sheets for measurements and analyses of variance Assessment by scoring Analysing the results of experiments   Index

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