Development Of A Drip Irrigation Scheduling Model
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Development Of A Drip Irrigation Scheduling Model
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Author : Theodore W. Sammis
language : en
Publisher:
Release Date : 1987
Development Of A Drip Irrigation Scheduling Model written by Theodore W. Sammis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Microirrigation categories.
The Development Of An Irrigation Scheduling Model
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Author : Stanford Staples Long
language : en
Publisher:
Release Date : 1987
The Development Of An Irrigation Scheduling Model written by Stanford Staples Long and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Irrigation engineering categories.
Scheduling Irrigations
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Author : Blaine Hanson
language : en
Publisher: UCANR Publications
Release Date : 2007-01-01
Scheduling Irrigations written by Blaine Hanson and has been published by UCANR Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-01 with Technology & Engineering categories.
his handy guide will help you schedule your irrigation needs so you can make every drop count. Inside you'll find sections on the relationship between crop evapotranspiration and yield, how to measure crop evapotranspiration by measuring soil moisture, and how to interpret those readings. One of a series of water management handbooks prepared by the University of California Irrigation Program.
Deficit Irrigation Practices
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2002
Deficit Irrigation Practices written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Technology & Engineering categories.
In the context of improving water productivity, there is a growing interest in deficit irrigation, an irrigation practice whereby water supply is reduced below maximum levels and mild stress is allowed with minimal effects on yield. Under conditions of scarce water supply and drought, deficit irrigation can lead to greater economic gains than maximizing yields per unit of water for a given crop; farmers are more inclined to use water more efficiently, and more water-efficient cash crop selection helps optimize returns. However, this approach requires precise knowledge of crop response to water as drought tolerance varies considerably by species, cultivar and stage of growth. The studies present the latest research concepts and involve various practices for deficit irrigation. Both annual and perennial crops were exposed to different levels of water stress, either during a particular growth phase, throughout the whole growing season or in a combination of growth stages. The overall finding, based on the synthesis of the different contributions, is that deficit or regulated-deficit irrigation can be beneficial where appropriately applied. Substantial savings of water can be achieved with little impact on the quality and quantity of the harvested yield. However, to be successful, an intimate knowledge of crop behavior is required, as crop response to water stress varies considerably.
Micro Irrigation Scheduling And Practices
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Author : Megh R. Goyal
language : en
Publisher: CRC Press
Release Date : 2017-09-07
Micro Irrigation Scheduling And Practices written by Megh R. Goyal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-07 with Science categories.
Many countries around the world are struggling with the challenges of water scarcity, including water for crops. Micro irrigation methods are an effective means to make the most efficient use of available water. This volume, Micro Irrigation Scheduling and Practices, continues the efforts of the book series Innovations and Challenges in Micro Irrigation to provide informative and comprehensive knowledge on micro irrigation methods and practices. This new book presents some of the latest information and research on micro irrigation and covers the area of performance, practices, and design, focusing particularly on the performance of vegetable, fruit and row crops in conjunction with different scheduling and practices. Irrigation scheduling is an important water management strategy, and this book addresses scheduling methods and issues. Design aspects of micro irrigation systems have also been discussed in the book. The authors present their research and studies on scheduling practices and design micro irrigation systems with a variety of fruits and vegetables, including peppers, chili, watermelon, oranges, banana, litchi, rice, sugarcane, sorghum, and marigolds. Micro Irrigation Scheduling and Practices will serve as a valuable reference for researchers, water resources professionals, agricultural extension agencies, farmers, and faculty and students.
Development Of Deficit Irrigation Scheduling Strategies For Maize
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Author : Oiganji Ezekiel
language : en
Publisher:
Release Date : 2016-03-11
Development Of Deficit Irrigation Scheduling Strategies For Maize written by Oiganji Ezekiel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-11 with categories.
Advances In Irrigation
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Author : Daniel Hillel
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Advances In Irrigation written by Daniel Hillel and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Advances in Irrigation, Volume 4 covers articles on the development and management of irrigation. The book presents articles on the improved method for distributing water in furrows, termed cablegation; the analysis of drip irrigation design based on the criterion of statistical uniformity; and the spatial distribution of water in sprinkling-irrigation systems. The text also includes articles on the critical evaluation of crop yields as influenced by irrigation uniformity; the concept of evapotranspiration from the scale of a field to the scale of an entire region; as well as the drainage of irrigated lands under sequential water application. Articles on the comparison of several models for the purpose of appraising the effect of irrigation on wheat and barley yields and on the economics of kiwifruit production under irrigation in New Zealand are also encompassed. The book concludes with an article about the modification and testing of a model simulating root and shoot growth as related to soil water dynamics. Agriculturists, agricultural engineers, and hydrologists will find the book invaluable.
Modeling Irrigation Scheduling And Its Components And Optimization Of Water Delivery Schedules With Dynamic Programming And Stochastic Et0 Data
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Author : Manuel Hernández-Suárez
language : en
Publisher:
Release Date : 1988
Modeling Irrigation Scheduling And Its Components And Optimization Of Water Delivery Schedules With Dynamic Programming And Stochastic Et0 Data written by Manuel Hernández-Suárez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Evaluation Of The Applicability Of Drip Planner Chart For Irrigation Scheduling For The Small Micro Drip Farmers Assisting And Advising The Extension Work In Lalitpur District Of Nepal
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Author : S. Yakami
language : en
Publisher:
Release Date : 2009
Evaluation Of The Applicability Of Drip Planner Chart For Irrigation Scheduling For The Small Micro Drip Farmers Assisting And Advising The Extension Work In Lalitpur District Of Nepal written by S. Yakami and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Farmers, in mid hills of Nepal, are facing a lot of problems getting a sufficient water supply for their crops during the dry period. International Development Enterprises Nepal (IDE/N) works on the development and dissemination of low cost drip irrigation system for small holder farmers in mid-hills to save and use water efficiently. But farmers are irrigating on their own perception (they do not know whether they are under or over applying water) even in drip system. On the other hand the Irrigation and Water Engineering group of Wageningen University has developed a simple irrigation scheduling tool for the drip system called “Drip Planner Chart (DPC)”. It is a simple manual drip irrigation scheduling tool developed especially for the smallholder farmers. The aims of this research is to evaluate the applicability of DPC in Nepal with different environmental factors (i.e. climatic, physical conditions like soil) and drip kits available in Nepal. Based on the climatic data such as ETo (potential evapotranspiration), soil information, DPC was designed to provide advices to farmers regarding irrigation scheduling in drip systems. Four treatments is created to compare their effectiveness and efficiency. Number of corrections is used to adjust the present DPC in the Lalitpur district of Nepal. Lalitpur district is part of mid-hills of Nepal. The adjusted DPC allow saving lot of water on 90 day period as compared to the IDE/N crop water requirement method without any significant decrease in yield.
Drip Irrigation
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Author : Samuel Dasberg
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Drip Irrigation written by Samuel Dasberg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Technology & Engineering categories.
The aim of this book is quite ambitious: here, we attempt to bridge the gap between soH physicists, agronomists, horticulturists, hydraulic engineers, de signers, manufacturers and users of drip irrigation systems. We believe that progress in drip irrigation hinges on the contributions of professionals made in all related disciplines and their cooperation. The last decade has seen great development in the field of drip irrigation, al though the drip-irrigated area has not increased at the same rate as in the pre vious decade. However, our understanding of the processes involved in water and solute distribution and in plant response has increased vastly. The tools for op timal design of drip systems have improved tremendously. The main progress has been in the development and in the manufacture of sophisticated equipment; not only improved types of emitters and laterals, but also auxiliary equipment such as new filtration systems, controllers and sensors. In this book we highlight the need to maintain a proper balance between the hydraulic design of drip systems and aspects of their management and maintenance. Drip irrigation has a potential for high water use efficiency, but many well-designed systems suffer from bad management. We are indebted to the late Eshel Bresler for his contribution to our under standing of water and solute movement under drip irrigation and its appli cation to system design. Some parts of a previous publication entitled "Drip irrigation manual" authored by S. Dasberg and E.