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Deficit Irrigation Practices

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251047682
Total Pages : 116 pages
Book Rating : 4.0/5 (476 download)

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Book Synopsis Deficit Irrigation Practices by : Food and Agriculture Organization of the United Nations

Download or read book Deficit Irrigation Practices written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2002 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Actual Crop Water Use in Project Countries

Author : Robina Wahaj
Publisher : World Bank Publications
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4./5 ( download)

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Book Synopsis Actual Crop Water Use in Project Countries by : Robina Wahaj

Download or read book Actual Crop Water Use in Project Countries written by Robina Wahaj and published by World Bank Publications. This book was released on 2007 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report aims to synthesize the results of a crop water use study conducted by country teams of the GEF/World Bank project, Regional Climate, Water, and Agriculture: Impacts on and Adaptation of Agro-ecological Systems in Africa. It also presents the results of the second phase of the study based on climate change scenarios, conducted by the South Africa country team. The actual evapotranspiration of five commonly grown crops-maize, millet, sorghum, groundnuts, and beans-in two selected districts were analyzed by six country teams. In addition, two country teams also analyzed other crops grown in the districts. The regional analysis shows that the actual yield of the different crops-specifically of maize and groundnuts-improves with an increase in actual evapotranspiration, although the gap remains wide between actual and potential yield and actual and maximum evapotranspiration, especially for the rainfed crops. This highlights the importance of improved water management if agriculture is to play an important role as a source of food security and better livelihoods. The report highlights the vulnerability of maize to water stress and the increased risks to the viability of rainfed farming systems based on this crop. The results of the second phase of analysis show that a 2°C increase in the temperature and a doubling of carbon dioxide concentration in the atmosphere will shorten the growing period of maize, which will result in decreased crop water requirement and use. The authors recommend extending this type of analysis to other crops as well as to other countries to develop a clearer picture of the changing pattern in crop water use of the major crops grown in the project countries.

Land Resources Information Systems for Food Security in SADC Countries

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251044278
Total Pages : 92 pages
Book Rating : 4.0/5 (442 download)

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Book Synopsis Land Resources Information Systems for Food Security in SADC Countries by : Food and Agriculture Organization of the United Nations

Download or read book Land Resources Information Systems for Food Security in SADC Countries written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2000 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the workshop was to promote Land Resources Information Systems (LRIS) and their application in the assessment, mapping and monitoring of land in relation to food security in the South African Development Community (SADC) countries. The workshop reviewed advances made both within and outside SADC. Experiences were discussed and a plan of action prepared to promote future reporting and exchange of information, data expertise and experiences in land information using technical cooperation among developing countries

HYDROLOGY AND WATERSHED MANAGEMENT

Author : K. Ramamohan Reddy
Publisher : Allied Publishers
ISBN 13 : 8184249527
Total Pages : 1310 pages
Book Rating : 4.1/5 (842 download)

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Book Synopsis HYDROLOGY AND WATERSHED MANAGEMENT by : K. Ramamohan Reddy

Download or read book HYDROLOGY AND WATERSHED MANAGEMENT written by K. Ramamohan Reddy and published by Allied Publishers. This book was released on 2014-10-20 with total page 1310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Proceeding contains the following sections: i) Groundwater Exploration and Exploitation; (ii) RS&GIS Applications in Water Resources; (iii) Watershed Management: Hydrological, Socio-Economic and Cultural Models; (iv) Water and Wastewater Treatment Technologies; (v) Rainwater Harvesting and Rural and Urban Water Supplies; (vi) Floods, Reservoir Sedimentation and Seawater Intrusion; (vii) Water Quality, Pollution and Environment; (viii) Irrigation Management; (ix) Water Logging and Water Productivity in Agriculture; (x) Groundwater Quality; (xi) Hydrologic Parameter Estimation and Modelling; (xii) Climate Change, Water, Food and Environmental Security; (xiii) Groundwater Recharge and Modelling; (xiv) Computational Methods in Hydrology; (xv) Soil and Water Conservation Technologies.

Water Resources System Operation

Author : Vijay P. Singh
Publisher : Allied Publishers
ISBN 13 : 9788177645484
Total Pages : 600 pages
Book Rating : 4.6/5 (454 download)

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Book Synopsis Water Resources System Operation by : Vijay P. Singh

Download or read book Water Resources System Operation written by Vijay P. Singh and published by Allied Publishers. This book was released on 2003 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:

CROPWAT

Author : Martin Smith
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251031063
Total Pages : 140 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis CROPWAT by : Martin Smith

Download or read book CROPWAT written by Martin Smith and published by Food & Agriculture Org.. This book was released on 1992 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Setting up cropwat: conditions of use and distribution; Installation; File structure. Getting started on cropwat: Main menu; Printer setting; Default drive and path for data input and retrieval. Eto Calculations: Input climatic station; Retrieval of Eto data from disk; Output. Crop water requeriments: Input climate data; Input of crop data; Crop water requirements results; Program continuation. Rice water requirements: Input of rice data from keyboard; Saving of rice data; Retrieval ofrice data from disk; Date of transplanting; Rice irrigation calculations; Rice irrigation output; Program continuation. Irrigation Scheduling: Data input for irrigation scheduling; Irrigation Scheduling options; Irrigation Scheduling calculations; Irrigation Scheduling output; Program continuation. Scheme water supply: Data input; Calculations; Output. Calculation of reference evapotranspiration: Data collection; Data conversion; Climatic data input; Climatic data and Eto output; Climatic and Eto data saving; Processing of rainfall data: Rainfall definitions; Rain data collection; Rain data processing; Effective Rainfall method; Rain data input; Saving climatic data; Printout of climatic data. Cropping pattern and crop information: Data collection; Cropping pattern; Crop data input. Crop water requirement calculations: File input; CWR calculations; CWR field files; Summary of CWR calculations. Scheme and canal water requirements: Calculation procedures; Field file input; Scheme water requirements (SWR) results; Evaluation of SWR results. Irrigation Scheduling: Data input; Soil data collection; Soil datainput; Irrigation scheduling applications.

Author :
Publisher : Food & Agriculture Org.
ISBN 13 : 9251390622
Total Pages : 200 pages
Book Rating : 4.2/5 (513 download)

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Book Synopsis by :

Download or read book written by and published by Food & Agriculture Org.. This book was released on with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Novel Measurement and Assessment Tools for Monitoring and Management of Land and Water Resources in Agricultural Landscapes of Central Asia

Download Novel Measurement and Assessment Tools for Monitoring and Management of Land and Water Resources in Agricultural Landscapes of Central Asia PDF Online Free

Author : Lothar Mueller
Publisher : Springer Science & Business Media
ISBN 13 : 3319010174
Total Pages : 714 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Novel Measurement and Assessment Tools for Monitoring and Management of Land and Water Resources in Agricultural Landscapes of Central Asia by : Lothar Mueller

Download or read book Novel Measurement and Assessment Tools for Monitoring and Management of Land and Water Resources in Agricultural Landscapes of Central Asia written by Lothar Mueller and published by Springer Science & Business Media. This book was released on 2013-10-04 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book aims to initiate a sustainable use of land and water resources in Central Asia by the transfer of scientific methods. It deals with the most advanced methods worldwide for better monitoring and management of water and land resources. We offer an array of methods of measuring, assessing, forecasting, utilizing and controling processes in agricultural landscapes. These are laboratory and field measurement methods, methods of resource evaluation, functional mapping and risk assessment, and remote sensing methods for monitoring and modeling large areas. The book contains methods and results of data analysis and ecosystem modeling, of bioremediation of soil and water, field monitoring of soils, and methods and technologies for optimizing land use systems as well. The chapter authors are inventors and advocators of novel transferrable methods. The book starts with an analysis of the current state of water and land resources. Finally concrete proposals for the applicability of novel methods are given.

Handbook of Irrigation Hydrology and Management

Author : Saeid Eslamian
Publisher : CRC Press
ISBN 13 : 1000865231
Total Pages : 536 pages
Book Rating : 4.0/5 (8 download)

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Book Synopsis Handbook of Irrigation Hydrology and Management by : Saeid Eslamian

Download or read book Handbook of Irrigation Hydrology and Management written by Saeid Eslamian and published by CRC Press. This book was released on 2023-05-31 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ever-increasing population growth has caused a proportional increased demand for water, and existing water sources are depleting day by day. Moreover, with the impact of climate change, the rates of rainfall in many regions have experienced a higher degree of variability. In many cities, government utilities have been struggling to maintain sufficient water for the residents and other users. The Handbook of Irrigation Hydrology and Management examines and analyzes irrigated ecosystems in which water storage, applications, or drainage volumes are artificially controlled in the landscape and the spatial domain of processes varies from micrometers to tens of kilometers, while the temporal domain spans from seconds to centuries. The continuum science of irrigation hydrology includes the surface, subsurface (unsaturated and groundwater systems), atmospheric, and plant subsystems. Further, the book includes coverage of environmental and economic impacts, water quality issues, water harvesting, satellite measurements for irrigation, and more. Features: Offers water-saving strategies to increase the judicious use of scarce water resources Presents strategies to maximize agricultural yield per unit of water used for different regions Compares irrigation methods to offset changing weather patterns and impacts of climate change

Water, Food and Welfare

Author : Rosario H. Perez-Espejo
Publisher : Springer
ISBN 13 : 3319288245
Total Pages : 254 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Water, Food and Welfare by : Rosario H. Perez-Espejo

Download or read book Water, Food and Welfare written by Rosario H. Perez-Espejo and published by Springer. This book was released on 2016-03-17 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the following topics: the contemporary model for water management and alternative approaches; the socioeconomic framework, water policy and institutions; water use for food purposes, water-resources inventory and irrigation; manifestations of welfare loss and water prices; change in dietary patterns and water security; hydrological stress and pressures on water availability; groundwater management problems; vulnerability and climate change; water demand of major crops; gray water footprint and water pollution; gray water footprint and mining; virtual water and food trade; estimates of the water footprint of four key cereals, forage, livestock and bottled drinks. It is the result of a cooperation between 16 researchers from eleven Mexican academic institutions.

Toward a Sustainable Agriculture Through Plant Biostimulants

Author : Youssef Rouphael
Publisher : MDPI
ISBN 13 : 3036500286
Total Pages : 708 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Toward a Sustainable Agriculture Through Plant Biostimulants by : Youssef Rouphael

Download or read book Toward a Sustainable Agriculture Through Plant Biostimulants written by Youssef Rouphael and published by MDPI. This book was released on 2021-02-22 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade, interest in plant biostimulants has been on the rise, compelled by the growing interest of researchers, extension specialists, private industries, and farmers in integrating these products in the array of environmentally friendly tools to secure improved crop performance, nutrient efficiency, product quality, and yield stability. Plant biostimulants include diverse organic and inorganic substances, natural compounds, and/or beneficial microorganisms such as humic acids, protein hydrolysates, seaweed and plant extracts, silicon, endophytic fungi like mycorrhizal fungi, and plant growth-promoting rhizobacteria belonging to the genera Azospirillum, Azotobacter, and Rhizobium. Other substances (e.g., chitosan and other biopolymers and inorganic compounds) can have biostimulant properties, but their classification within the group of biostimulants is still under consideration. Plant biostimulants are usually applied to high-value crops, mainly greenhouse crops, fruit trees and vines, open-field crops, flowers, and ornamentals to sustainably increase yield and product quality. The global biostimulant market is currently estimated at about $2.0 billion and is expected to reach $3.0 billion by 2021 at an annual growth rate of 13%. A growing interest in plant biostimulants from industries and scientists was demonstrated by the high number of published peer-reviewed articles, conferences, workshops, and symposia in the past ten years. This book compiles several original research articles, technology reports, methods, opinions, perspectives, and invited reviews and mini reviews dissecting the biostimulatory action of these natural compounds and substances and beneficial microorganisms on crops grown under optimal and suboptimal growing conditions (e.g., salinity, drought, nutrient deficiency and toxicity, heavy metal contaminations, waterlogging, and adverse soil pH conditions). Also included are contributions dealing with the effect as well as the molecular and physiological mechanisms of plant biostimulants on nutrient efficiency, product quality, and modulation of the microbial population both quantitatively and qualitatively. In addition, identification and understanding of the optimal method, time, rate of application and phenological stage for improving plant performance and resilience to stress as well as the best combinations of plant species/cultivar × environment × management practices are also reported. We strongly believe that high standard reflected in this compilation on the principles and practices of plant biostimulants will foster knowledge transfer among scientific communities, industries, and agronomists, and will enable a better understanding of the mode of action and application procedures of biostimulants in different cropping systems.

Reducing the Vulnerability of Moldova's Agricultural Systems to Climate Change

Author : William R. Sutton
Publisher : World Bank Publications
ISBN 13 : 1464800464
Total Pages : 151 pages
Book Rating : 4.4/5 (648 download)

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Book Synopsis Reducing the Vulnerability of Moldova's Agricultural Systems to Climate Change by : William R. Sutton

Download or read book Reducing the Vulnerability of Moldova's Agricultural Systems to Climate Change written by William R. Sutton and published by World Bank Publications. This book was released on 2013-10-29 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: This World Bank study brings together the forecast climate change impacts, costs vs. benefits of adaptation measures, and recommendations from the work conducted in Moldova.

Disaster Risk Reduction for Resilience

Author : Saeid Eslamian
Publisher : Springer Nature
ISBN 13 : 3031431774
Total Pages : 223 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Disaster Risk Reduction for Resilience by : Saeid Eslamian

Download or read book Disaster Risk Reduction for Resilience written by Saeid Eslamian and published by Springer Nature. This book was released on 2023-12-17 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is part of a six-volume series on Disaster Risk Reduction and Resilience. The series aims to fill in gaps in theory and practice in the Sendai Framework, and provides additional resources, methodologies and communication strategies to enhance the plan for action and targets proposed by the Sendai Framework. The series will appeal to a broad range of researchers, academics, students, policy makers and practitioners in engineering, environmental science and geography, geoscience, emergency management, finance, community adaptation, atmospheric science and information technology. This volume discusses the implementation of socio-hydrological resilience measures to curb the impacts on vulnerable communities of hydrologic diasters such as coastal floods, drought, water scarcity, and thunderstorms. The book provides a framework for sustainable hydrology-community interactions to inform local communities about the best practices to achieve hydrological resilience, and to implement resilient water infrastructure. Hydrological influences on the resilience of a region are comprehensively surveyed, and a "green economy strategy" is described and recommended for achieving climatic and hydrological sustainability.

Water Resources Management and Reservoir Operation

Author : Ramakar Jha
Publisher : Springer Nature
ISBN 13 : 3030794008
Total Pages : 290 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Water Resources Management and Reservoir Operation by : Ramakar Jha

Download or read book Water Resources Management and Reservoir Operation written by Ramakar Jha and published by Springer Nature. This book was released on 2021-09-20 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores many recent techniques including ANN, fuzzy logic, hydraulic models and IWRM utilized for integrated water resources management, a real challenge in India for obtaining high irrigation efficiency. The book deals with topics of current interest, such as climate change, floods, drought, and hydrological extremes. The impact of climate change on water resources is drawing worldwide attention these days; for water resources, many countries are already stressed and climate change along with burgeoning population, rising standard of living, and increasing demand are adding to the stress. Further, river basins are becoming less resilient to climatic vagaries. Fundamental to addressing these issues is hydrological modelling which is covered in this book Further, integrated water resources management is vital to ensure water and food security. Integral to the management is groundwater and solute transport. The book encompasses tools that will be useful to mitigate the adverse consequences of natural disasters.

Hydrometeorology

Author : Kevin Sene
Publisher : Springer Science & Business Media
ISBN 13 : 904813403X
Total Pages : 356 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Hydrometeorology by : Kevin Sene

Download or read book Hydrometeorology written by Kevin Sene and published by Springer Science & Business Media. This book was released on 2009-12-12 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes recent developments in hydrometeorological forecasting techniques for a range of timescales, from short term to seasonal and longer terms. It conveniently brings together both meteorological and hydrological aspects in a single volume.

Developments in Soil Classification, Land Use Planning and Policy Implications

Author : Shabbir A. Shahid
Publisher : Springer Science & Business Media
ISBN 13 : 9400753322
Total Pages : 875 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Developments in Soil Classification, Land Use Planning and Policy Implications by : Shabbir A. Shahid

Download or read book Developments in Soil Classification, Land Use Planning and Policy Implications written by Shabbir A. Shahid and published by Springer Science & Business Media. This book was released on 2013-02-15 with total page 875 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the world’s population continues to expand, maintaining and indeed increasing agricultural productivity is more important than ever, though it is also more difficult than ever in the face of changing weather patterns that in some cases are leading to aridity and desertification. The absence of scientific soil inventories, especially in arid areas, leads to mistaken decisions about soil use that, in the end, reduce a region’s capacity to feed its population, or to guarantee a clean water supply. Greater efficiency in soil use is possible when these resources are properly classified using international standards. Focusing on arid regions, this volume details soil classification from many countries. It is only once this information is properly assimilated by policymakers it becomes a foundation for informed decisions in land use planning for rational and sustainable uses.

Evapotranspiration

Author : Leszek Labedzki
Publisher : BoD – Books on Demand
ISBN 13 : 9533072512
Total Pages : 462 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Evapotranspiration by : Leszek Labedzki

Download or read book Evapotranspiration written by Leszek Labedzki and published by BoD – Books on Demand. This book was released on 2011-03-16 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evapotranspiration is a very complex phenomenon, comprising different aspects and processes (hydrological, meteorological, physiological, soil, plant and others). Farmers, agriculture advisers, extension services, hydrologists, agrometeorologists, water management specialists and many others are facing the problem of evapotranspiration. This book is dedicated to further understanding of the evapotranspiration problems, presenting a broad body of experience, by reporting different views of the authors and the results of their studies. It covers aspects from understandings and concepts of evapotranspiration, through methodology of calculating and measuring, to applications in different fields, in which evapotranspiration is an important factor. The book will be of benefit to scientists, engineers and managers involved in problems related to meteorology, climatology, hydrology, geography, agronomy and agricultural water management. We hope they will find useful material in this collection of papers.