David ingram daphne vince prue peter j gregory science and the garden the scienific basis of horticu

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Science and the Garden: The Scientific Basis of Horticultural Practice Edited by David S. Ingram, Daphne Vince-Prue, Peter J. Gregory Copyright © 2002 Royal Horticultural Society

4 Soils and Soil Fertility •

Recognising key features of the soil

Factors affecting soil type: time, climate, parent materials, organisms, topography

Properties of materials constituting soils: physical and chemical properties; biological properties

Managing soils in the garden

What plants require from the soil and why

Root structure, growth and activity

Cultivating soils and essentials for planting

Managing soil nutrients: manures, composts and fertilisers

Managing pH

Managing water

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