Effective irrigation and drainage systems are essential if growing demands for water resources are to be met. For the use of water for irrigation to be improved we must understand current levels of performance. This book draws together the growing body of knowledge on irrigation and drainage performance assessment that has been gained over the last twenty years. It provides guidelines for practitioners to enable them to design and carry out performance assessment and implement performance-based management. Developed by a working group of the International Commission on Irrigation and Drainage (ICID) it provides a generic framework for performance assessment with guidance on the theory and practice of how to audit and assess the performance of irrigation and drainage schemes.

Atlas of the Pig Gut: Research and Techniques from Birth to Adulthood examines the development of the gastrointestinal tract in swine. It focuses on changes occurring during the developmental phase, with an emphasis on the gut that is reflected in alterations of the intestinal mucosa architecture. Led by leading experts in pig digestion research, the book contains descriptions and microphotographs of the most updated research. The changes occurring in the intestine are presented in a comprehensive order, from small magnifications of tissue structures to high magnifications of fragments of epithelium-building cell structures. Additionally, the book highlights the replacement mechanism of epithelial cells during the development of the small intestinal mucosa. This book is the ideal resource for animal science researchers and practitioners. In addition, swine veterinarians and academics will also find it useful due to its helpful, detailed graphics and organized structure.

Providing an exhaustive background on the history of genetically modified organism (GMO) crops and foods as well as the controversies surrounding these products, this book allows readers to develop their own particular viewpoint on the production and use of GMO substances. Genetic engineering has long been used to impart desirable characteristics to food plants in order to improve crop yield, pest resistance, and herbicide tolerance. Genetic modification of foods, however, has created a storm of controversy everywhere in the world-including the United States. What are the benefits of and risks involved with genetically modified organisms (GMO) and crops? What powerful industry pressures have extended the sale and use of GMO foods and crops globally? And how should consumer food products that involve GM ingredients be labeled? GMO Food: A Reference Handbook addresses these questions and the complex issues involved, allowing readers to fully understand why genetically modified organisms represent one of the most important issues in the 21st century. The book provides clear, factual information and background on the history of genetically modified crops and foods, covering topics such as the historic methods of plant and animal modification (such as cross-breeding) and important discoveries in genetics, biochemistry, molecular biology, genetic engineering, and related fields; the social, political, philosophical, and economic issues that have arisen with these scientific advances; and the laws and regulations that have resulted from the range of attitudes about GMO foods. The book also supplies additional resources for readers performing extensive research in an annotated bibliography of books, articles, reports, and web pages. Presents both historical and current views of the topic that provide readers with a neutral presentation of the hard science as well as the social issues in question Includes perspective essays written by individuals with expertise in issues related to the production and distribution of GMO foods in the United States and other parts of the world Assesses the long-existing differences in attitudes toward the development and commercialization of GMO foods and crops in the United States versus in the European Union Addresses the ongoing debate regarding whether and how genetically modified products should be labeled for sale

The use of biological control agents has been increasing worldwide and there are now many companies mass-producing such organisms, particularly for the control of insect pests. However, there is a great need for quality control in the production and use of these natural enemies, which include insect parasitoids and predators, fungi and viruses. This book has been written by leading scientists from Europe and North America to provide both background theory and practical guidance on this subject.

"Advances in Agronomy" continues to be recognized as a leading reference and a first-rate source for the latest research in agronomy. As always, the subjects covered are varied and exemplary of the myriad of subject matter dealt with by this long-running serial.
Maintains the highest impact factor among serial publications in agriculture Presents timely reviews on important agronomy issues Enjoys a long-standing reputation for excellence in the field

The Instructor's Manual serves as an instructional resource and includes a listing of chapter objectives, teaching tips, instructional strategies, learning activities, and an answer key for end of chapter discussion and review questions.