2 edition of National irrigation return flow research and development program found in the catalog.
National irrigation return flow research and development program
James P. Law
by U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off. in [Washington
Written in English
|Statement||by James P. Law, Jr. [Prepared] for the Office of Research and Monitoring, Environmental Protection Agency.|
|Series||Water pollution control research series|
|Contributions||United States. Environmental Protection Agency.|
|LC Classifications||TC809 .L38|
|The Physical Object|
|Pagination||vii, 23 p.|
|Number of Pages||23|
|LC Control Number||72601348|
Water scarcity and quality degradation represent real threats to economic, social, and environmental development of arid and semi-arid regions. Drip irrigation associated to Deficit Irrigation (DI) has been investigated as a water saving technique. Yet its environmental impacts on soil and groundwater need to be gone into in depth especially when using brackish irrigation by: 2. Fiber reinforced sandy slopes under groundwater return flow. Journal of Irrigation and Drainage Engineering. (5) /(ASCE)IR Simulating runoff from small grazed pasture watersheds located at North Appalachian Experimental Watershed in Ohio - .
This policy document is the second edition of the National Irrigation Policy and Development Strategy (NIPDS) which has been in operation since the year The National Irrigation Policy (NIP) is accompanied by a separate and complementary document . Part Irrigation National Engineering Handbook Chapter 7 Microirrigation participating in a USDA program, or partici-pating in a program that receives financial assistance from USDA, you may Flow-regulated minisprinkler irrigation system for deciduous almond orchard.
Research and Development Robert S Kerr Environmental ResearchEPA/a Laboratory August Ada OK EPA Socio-Economic and Institutional Factors in Irrigation Return Flow Quality Control Volume I Methodology. previous research done in the Water Requirements and Field irrigation Research Department, Soils, Water and Environment Research Institute, Agricultural Research Center, Egypt (Table ).
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Canal seepagecan be a significant fraction of the total diversion in many projectareas (2). Once water is applied to irrigated cropland, tailwater anddeep percolation are the major contributors to irrigation return flow. These sources are the conveyors of nutrients and salts to the streamdrainage system.
The status of the National Irrigation Return Flow Research and Development Program is presented. Current research projects and future program development are discussed. The report represents the position of the Environmental Protection Agency (EPA) with regard to the development of effective controls on the quality of irrigation return flows.
Sprinkler and Surface Irrigation Effects on Return Flow Water Quality and Quantity D.L. Bjorneberg 1, D.T. Westermann, N.O. Nelson2 1USDA ARS, Kimberly, ID 2Kansas State University, Manhattan, KS Abstract.
A major conservation practice in the Upper Snake-Rock (USR) watershed is the conversion from furrow irrigation to sprinkler irrigation.
This report presents the various methodologies for correct assessment of irrigation return flow, which is one of the most significant components in the water balance of irrigation command areas. A part of the water applied to the irrigation fields percolates deep to recharge the groundwater and is known as irrigation return flow.
In this report methodologies have been presented for assessment. National Irrigation Board. 5 | P a g e irrigation design should not divert more that 30% of the water flowing in the river. In case the design abstract more than 20% the return flow from the farms should compensate for this flow.
Soil Erosion. During the preparation of the land for irrigation, clearance of vegetation from the. Irrigation requirements, grain yield, return flow and net depletion (gross irrigation minus return flow) of groundwater were simulated for a period of 29 years for Hord and Wood River silt loam soils.
Recycling irrigation return flow is a water-saving measure that helps to deal with water scarcity for irrigation. The study aims to estimate the reuse potential of irrigation return flow. The topic received national prominance with the creation of the irriga- tion return flow quality control research and development program being administered by the Robert S.
Kerr Environmental Research Laboratory in Ada, Oklahoma (Law, ). Part Irrigation Guide Chapter 6Irrigation System Design (vi-NEH, September )6–9. Irrigation of graded borders is a balanced advance and recession kind of water application.
The borders (border strips) slope in the direction of irrigation, and the ends are usually open. The National Irrigation Master Plan (NIMP) of Bhutan is one of the main outputs of the TA “Adapting to become an important national goal.
The planned development of Bhutan’s agriculture sector began in the ’s with the start of the first five-year plan in At that time, development activities were managed by the Ministry. MWRI Ministry of Water Resources and Irrigation NWRC National Water Research Center OFIDE On-farm irrigation development in Egypt OFIDO On-farm irrigation development in the old lands pH Hydrogen ion concentration RECTWS Regional sector for training and water studies R&D Research and development.
Irrigation systems in Sri Lanka are subject to frequent positive flow changes (Supply fluctuations, Runoff, Return-flow changes). As far as water management is concerned, improvements to be expected from normal operation procedures appear to be somewhat limited because management of flow changes is not an by: 6.
Prediction of mineral quality of irrigation return flow, Volume V. Detailed return flow salinity and nutrient simulation model, Office of Research and Development, U.S. Environmental Protection Agency, Ada, Oklahoma ()Author: Wynn R. Walker. The primary objectives for this conference to be held Maywill be to: (1) present the results of the irrigation return flow research and development program of the U.S.
En- vironmental Protection Agency; (2) integrate the research results into an interdisciplinary approach for solving problems of irrigation return flow quality. Quality Control Programs As alluded to previously, an irrigation return flow quality control program is only one component in the overall water resource planning and development of a river basin.
Thus, any control program must fit into the long- range objectives for the basin. EFFECTS OF REUSING IRRIGATION RETURN FLOWS L.
Mateos*; I. Lorite** and E. Fereres*** * Instituto de Agricultura Sostenible, CSIC, Alameda del Obispo s/n, Córdoba, Spain. The Manual for the Irrigation System Management Training of Irrigators Associations consists of six modules.
Each module has an introductory portion and three topics. The contents of each topic can be considered as inputs for a training session. Using the contents of each module, learning processes can be designed to follow the sequence of.
-- There are a multitude of research needs regarding irrigation return flow quality, but only the specific research needs required to undertake an effective control program are described.
These research. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.
Importance of irrigation return flow on the groundwater budget of a rural basin in India 65 be written as: RF - CxPG where C is the return coefficient (0 return coefficient is different from paddy fields to other crops, the global return coefficient C is weighted by the repartition of crops.
In the granite areas of Andhra. FOREWORD This report has been prepared to fulfill several needs expressed by the National Irrigation Return Flow Program. A concise, up-to-date summation of the current state-of-the-art of prediction modeling as applied to salinity control in irrigation return flows was needed for program planning and evaluation.DEVELOPMENT () (NTIS order no.
PB /4GA). This book does not include pollution from irrigation return flow. Toups CORP., supra. note 9, at 1. OFFICE OF WATER PROGRAM OPERATIONS, EPA, EVALUATION OF SALIN ITY CREATED BY IRRIGATION RETURN FLOWS 8 () (EPA doc. no.
/.Get this from a library! Selected irrigation return flow quality abstractsthird annual issue. [Gaylord V Skogerboe; United States. Environmental Protection Agency.
Office of Research and Development.;].