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Principles of Soil and Plant Water Relations, 2e describes the principles of water relations within soils, followed by the uptake of water and its subsequent movement throughout and from the plant body. This is presented as a progressive series of physical and biological interrelations, even though each topic is treated in detail on its own. The book also describes equipment used to measure water in the soil-plant-atmosphere system. At the end of each chapter is a biography of a scientist whose principles are discussed in the chapter. In addition to new information on the concept of celestial time, this new edition also includes new chapters on methods to determine sap flow in plants dual-probe heat-pulse technique to monitor water in the root zone. - Provides the necessary understanding to address advancing problems in water availability for meeting ecological requirements at local, regional and global scales - Covers plant anatomy: an essential component to understanding soil and plant water relations
In the unstable international conditions of the post Cold War world, the role of diplomacy has taken on increasing importance with the greater complexity of relationships between international power centres. The Practice of Diplomacy tracks the historical development of diplomatic relations and methods from the earliest period up to their current transformations in the late twentieth century, showing how they have changed to encompass new technological advances and the needs of modern international environments. This coherent and accessible text brings the history of diplomacy fully up to date, exploring altered perspectives and newly emerging practices resulting from United Nations diplomacy and recent political developments in Eastern and central Europe, including the former Yugoslavia.
This essential introduction to American studies examines the core foundational myths upon which the nation is based and which still determine discussions of US-American identities today. These myths include the myth of »discovery,« the Pocahontas myth, the myth of the Promised Land, the myth of the Founding Fathers, the melting pot myth, the myth of the West, and the myth of the self-made man. The chapters provide extended analyses of each of these myths, using examples from popular culture, literature, memorial culture, school books, and every-day life. Including visual material as well as study questions, this book will be of interest to any student of American studies and will foster an understanding of the United States of America as an imagined community by analyzing the foundational role of myths in the process of nation building.