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Plant Breeding Reviews presents state-of-the-art reviews on plant genetics and the breeding of all types of crops by both traditional means and molecular methods. Many of the crops widely grown today stem from a very narrow genetic base; understanding and preserving crop genetic resources is vital to the security of food systems worldwide. The emphasis of the series is on methodology, a fundamental understanding of crop genetics, and applications to major crops.
Introduction; Nitrogen; Phosphorus; Potassium; Calcium; Magnesium; Sulfur; Iron; Manganese; Copper; Zinc; Boron; Molybdenum; Chlorine; Silicon; Cobalt.
Geographers is an annual collection of studies on individuals who have made major contributions to the development of geography and geographical thought. Subjects are drawn from all periods and from all parts of the world, and include famous names as well as those less well known, including explorers, independent thinkers and scholars. Each paper describes the geographer's education, life and work and discusses their influence and spread of academic ideas. Each study includes a select bibliography and a brief chronology. The work includes a general index, and a cumulative index of geographers listed in volumes published to date. Published under the auspices of the International Geographical Union.
This publication deals with taxonomy of the 14 species and varieties now known from the United States; all of these, for reasons stated later, are assigned to Pantomorus.