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This operational laboratory handbook offers a standard set of soil physical measurement methods that are intended to be cost-effective and well-suited to land resource survey. It focuses on practical aspects of measurement and guidance is provided on the interpretation of data wherever possible.
This book contains the views from 55 soil scientists in 28 countries - from Finland to South Africa, from Canada to Ghana, Malaysia and China.
Fifteen-year-old Katy Bourne and sixteen-year-old Alan Coughlan are missing. Though they are students at the same school, they hardly know each other, so it's strange that they should disappear together. Katy's mother, self-centered and unloving, doesn't mind if her daughter never comes home. Alan's solid working-class parents are pained and puzzled by their son's departure. There's not much the police can do about runaway teenagers, but Detective Constable Charlie Peace goes through the motions. He interviews the families, he visits the school. Alan had friends and had aspired to a good education. Katy had nothing, least of all self-esteem. The two teens could be anywhere, even living dange...
This introductory textbook describes the nature of the Earth's environment and its physical processes so as to highlight environmental concerns arising from human use and misuse of soil and water resources. The author provides a thorough introduction to the basic issues regarding the sustainable, productive use of land resources that is vital in maintaining healthy rivers and good groundwater qualities. He develops a quantitative approach to studying these growing environmental concerns in a way that does not require prior knowledge of the physical sciences or calculus. The straightforward writing style, lack of prerequisite knowledge and copious illustrations make this textbook suitable for introductory university courses, as well as being a useful primer for research and management staff in environmental and resources management organisations. Each chapter ends with a set of student exercises for which solutions are available from solutions@cambridge.org.
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This directory is a compendium of relevant models that are available to understand and predict the effects of dryland farming on land and water condition. It seeks to include information on relevant models available and/or the groups developing them. Some irrigation models have been included as they simulate processes relevant to the overall theme of the directory. Also included are mathematical models which have been developed, and in particular those for which a main aim in their development has been their use (or use of model outputs) by others.
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In this volume, Clem Tisdell considers combined economic and ecological influences on levels of agricultural and marine production, their variations and sustainability. The book consists mainly of previously published articles, but also includes new chapters written especially for this collection.