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Author: Emem Ufot Nwa Publisher: ISBN: Category : Education Languages : en Pages : 236
Book Description
This is the West African contribution to a series of regional studies, some twenty years in the making, on the history of irrigation, commissioned by the International Commission on Irrigation and Drainage. It demonstrates that although Nigeria did not produce such old and elaborate hydralic structures as those in the Nile and Euphrates-Tigris valleys, its people nevertheless devised systems of irrigation and flood control early on in their history. It further shows that the history of agricultural development is inseparable from the social history of the people. Contents: pre-colonial period to 1900; colonial period 1900-1906; Kware irrigation scheme 1925-1963; irrigation development besides Kware 1925-1959; irrigation development 1960-1999; evolution of the federal ministry of water resources and irrigation administration in Nigeria; concept and evolution of river basin development; floods and droughts in Nigeria; drainage of agricultural lands; irrigation research, extension and training; land tenure, water laws, rights and customs; international organisations, treaties and agreements; and current problems of irrigation, drainage and flood controls in Nigeria.
Author: Emem Ufot Nwa Publisher: ISBN: Category : Education Languages : en Pages : 236
Book Description
This is the West African contribution to a series of regional studies, some twenty years in the making, on the history of irrigation, commissioned by the International Commission on Irrigation and Drainage. It demonstrates that although Nigeria did not produce such old and elaborate hydralic structures as those in the Nile and Euphrates-Tigris valleys, its people nevertheless devised systems of irrigation and flood control early on in their history. It further shows that the history of agricultural development is inseparable from the social history of the people. Contents: pre-colonial period to 1900; colonial period 1900-1906; Kware irrigation scheme 1925-1963; irrigation development besides Kware 1925-1959; irrigation development 1960-1999; evolution of the federal ministry of water resources and irrigation administration in Nigeria; concept and evolution of river basin development; floods and droughts in Nigeria; drainage of agricultural lands; irrigation research, extension and training; land tenure, water laws, rights and customs; international organisations, treaties and agreements; and current problems of irrigation, drainage and flood controls in Nigeria.
Author: G. Csekö Publisher: ISBN: 9788185068855 Category : Danube River Valley Languages : en Pages : 715
Book Description
Contributed articles worked and developed by ICID Working Group on History of Irrigation, Drainage, and Flood Control established in 1980.
Author: George H. Hargreaves Publisher: Water Resources Publication ISBN: 9781887201100 Category : Technology & Engineering Languages : en Pages : 202
Book Description
IRRIGATION FUNDAMENTALS is a comprehensive text on the basic principles and practices of applied agricultural irrigation. Written over a period of more than 10 years, it is based on the authors'' extensive experience in farming, consulting, research, teaching, and other related agricultural activities. The book is for use by teachers of introductory courses in irrigation, farmers who have some basic technical knowledge, and for administrators who need a general understanding of irrigation as an aid for policy decisions in water resource development and planning. Various factors that influence crop yield and production including climate, fertility, water, drainage, and agronomic practices are addressed. The various irrigation methods such as border, basin, contour, furrow, sub, sprinkle, and drip or trickle are described; and conditions are given for selection of the appropriate method to use. Recent developments and new technology are included herein when they have obvious practical applications, but for the most part the material presented in this book is based on well established principles and practices. Much of the content is very practical and much is essentially nontechnical. Nevertheless, some of the material covered in this book goes beyond the basic concepts in an attempt to better describe the relationships and techniques employed by irrigation scientists and irrigation engineers.From the Preface: The future of the world depends very much on how we manage natural resources. Since the year 1900 there has been a ninefold increase in global carbon emissions from burning fossil fuels, and the world population has increased about 3.7 times in this century. Vast areas of forests have been destroyed, and irrigated lands now produce 40% of the food supply. Due to depletion of groundwater reserves and an increase in population, irrigated area per capita is declining. Consequently, the irrigation of additional alluvial lands is a strategic necessity for all of humankind. Much of the alluvial lands cannot be made productive without prior development of water resources through flood control, drainage, and irrigation. The production of electricity through hydropower and the production of alcohol fuel from irrigated crops, as has been practiced for many years in Brazil, can slow the increase in carbon emissions. Such diverse developments are typically not separable; rather, they must be considered as integral parts of a comprehensive development plan. The conservation of natural resources and increasing productivity of irrigated lands are also strategic necessities. Much of the current technology is highly transferable and crop yields can be significantly increased on lands already under irrigation.The authors have worked in many countries in connection with resource inventories, teaching, and the planning, development and use of irrigation as a tool for increasing production and providing employment. They have written extensively and have been honored for their achievements. They have considerable experience with everything from primitive low-technology irrigation developments to highly developed irrigation in the USA and in dozens of countries around the world. Both of the authors have dedicated their careers to teaching, research, and consulting in agricultural irrigation and water resources development and planning. It is their hope and expectation that this book will provide incentives for investigating and documenting land and water resources, improving development, increasing crop yields, conserving resources, and improving the environment. From the Table of Contents:Chapt. 1 - INTRODUCTION: Irrigation Fundamentals: - - A Definition of Irrigation - - Statistical Perspectives of Agricultural IrrigationChapt. 2 - FACTORS INFLUENCING CROP PRODUCTION: - - Introduction - - Temperature, Radiation, and Evaporative Potential - - Climate Change - - Soil Fertility and Fertilizers - - Water Availability and Distribution - - Soil Aeration and Drainage - - Plant Density, Spacing and Leaf Area Index - - Crop VarietyChapt. 3 - AGRICULTURAL SOILS: - - Introduction - - Soil Texture and Structure - - Soil Classification and Evaluation - - Bureau of Reclamation Land Classification - - Soil Age and Topography - - Soil Chemistry - - Infiltration Rates - - Soil-Water Relationships - - Equations for Soil Water Content - - Soil Water Potential - - Measuring Soil Water ContentChapt. 4 - EVALUATING IRRIGATION RESOURCES: - - Introduction - - Climate - - Hydrology - - Human and Other Factors - - Integrated DevelopmentChapt. 5 - IRRIGATION METHODS: - - Introduction - - Graded Border Irrigation - - Basin Irrigation - - Contour Levees - - Furrow Irrigation - - Sub-Irrigation - - Sprinkle Irrigation - - Drip or Trickle Irrigation - - Selecting an Irrigation Method - - Land Grading and Leveling - - Laser-Leveling Equipment and Practices - - Computing Diagonal Slopes - - Irrigation System EvaluationChapt. 6 - CROP WATER REQUIREMENTS: - - Introduction - - Direct Methods - - Indirect Methods - - Potential Evaporation - - Reference Evapotranspiration - - Extraterrestrial Solar Radiation - - Irrigation Requirements - - Crop CoefficientsChapt. 7 - IRRIGATION SCHEDULING: - - Introduction - - Allowable Water Depletion - - Monitoring Soil Water - - Scheduling Irrigations - - Rice Irrigation
Author: Peter Waller Publisher: Springer ISBN: 3319056999 Category : Science Languages : en Pages : 747
Book Description
This textbook focuses specifically on the combined topics of irrigation and drainage engineering. It emphasizes both basic concepts and practical applications of the latest technologies available. The design of irrigation, pumping, and drainage systems using Excel and Visual Basic for Applications programs are explained for both graduate and undergraduate students and practicing engineers. The book emphasizes environmental protection, economics, and engineering design processes. It includes detailed chapters on irrigation economics, soils, reference evapotranspiration, crop evapotranspiration, pipe flow, pumps, open-channel flow, groundwater, center pivots, turf and landscape, drip, orchards, wheel lines, hand lines, surfaces, greenhouse hydroponics, soil water movement, drainage systems design, drainage and wetlands contaminant fate and transport. It contains summaries, homework problems, and color photos. The book draws from the fields of fluid mechanics, soil physics, hydrology, soil chemistry, economics, and plant sciences to present a broad interdisciplinary view of the fundamental concepts in irrigation and drainage systems design.
Author: Emem Ufot Nwa
Author: Emem Ufot Nwa
Author: G. Csekö
Author: K. K. Framji
Author: 
Author: Joseph L. Arnold
Author: George H. Hargreaves
Author: Peter Waller
Author: K. K. Framji
Author: Bart Schultz
Author: Food and Agriculture Organization of the United Nations