[EBOOK] AGRONOMIC HANDBOOK (Management of Crops, Soils, and Their Fertility), J. BENTON JONES, JR., CRC PRESS

Agronomy is defined as that “branch of agriculture that deals with the theory and practice of field crop production and soil management.” This agronomic handbook contains information on the cultures of some of the world's major agronomic grain, oil. fiber, and sugar crops and provides data on the characteristics and management of these crops and the soils on which they are grown.

The handbook is divided into multiple parts, each dealing with a specific aspect of agronomy: the major field crops; soils, their classification and characteristics; pH, liming and liming materials; fertilizers; mineral nutrition; diagnostic procedures for assessing the fertility status of soils and the nutrient element status of plants; and units and measures. This handbook is unique in that it covers both crop and soil topics and focuses on their significant aspects. Although some of the information presented is dated and will change with time, most of it will not. The appendices include a list of definitions, a glossary of botanical terms, data on nutrient requirements for major agronomic crops, a list of troublesome weeds, a key to nutrient deficiency symptoms of legumes, and a summary of the characteristics of the major elements and micronutrients.

The information in this book came from government publications, university bulletins and circulars, textbooks, journal articles, industry publications, and the Internet. The objectives are to focus on accepted basic principles and procedures and present only those aspects of each subject that will enhance knowledge of crops and soils. For example, fertilizer recommendations are not included since they are based on a range of inputs such as soil status, cropping procedures, and climatic, economic, and cultural conditions that will change with time and circumstances. Similarly, specific cultural crop practices arc not included because most of them arc based on local and regional climatic, economic, cultural, and other factors that will also change with time and circumstances. However, this book contains the basic information needed to develop cultural, liming, and fertilizer recommendations.

Most agronomic reference books focus on a single crop or several related crops or on a specific soil topic. They do not cover a full range of both crop and soil topics as this book does. The major objective is to cover both crops and soils, so that the reader will need only one book to locate important and useful information on both aspects of agronomy. This handbook contains a wide range of fundamental information on crops and soils. It should serve as a valuable resource for all those engaged in agronomic production, study, and research, whether as farmers, agricultural consultants or advisors, researchers, or students.

[EBOOK] AGRONOMIC HANDBOOK (Management of Crops, Soils, and Their Fertility), J. BENTON JONES, JR., CRC PRESS

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