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Articles 1 - 30 of 59
Full-Text Articles in Entire DC Network
Effects Of Irrigation And Season On Performance Of Grazed Pastures Of Brachiaria Brizantha Cv. Mg5, Rita De C. R. Carvalho, Wellington W. Rocha, Bruno S. Pires, César T. Piza, Luziney D. Silva, Paulo R. V. Leite, Eliel A. Ferreira
Effects Of Irrigation And Season On Performance Of Grazed Pastures Of Brachiaria Brizantha Cv. Mg5, Rita De C. R. Carvalho, Wellington W. Rocha, Bruno S. Pires, César T. Piza, Luziney D. Silva, Paulo R. V. Leite, Eliel A. Ferreira
IGC Proceedings (1993-2023)
In Brazil, livestock production is based primarily on systems with continuously grazed natural or cultivated pastures (FAO 2009). Intensifying animal breeding, handling and knowledge strategies is necessary to obtain improvements in production indices for economically feasible and sustainable grazing systems (Cedeño et al. 2003). Beef cattle breeding on irrigated pasture, like all forms of intensive grazing, requires the use of forage species with high potential for production and quality, and Brachiaria brizantha cv. MG5 is considered a good option. This study aimed to evaluate the effects of irrigation on the performance of B. brizantha cv. MG5 grazed rotationally by …
2019 Costs And Returns For Non-Irrigated Safflower, Northern Utah, Michael Pace, Clark Israelsen, Ryan Larsen, Jacob Hadfield
2019 Costs And Returns For Non-Irrigated Safflower, Northern Utah, Michael Pace, Clark Israelsen, Ryan Larsen, Jacob Hadfield
All Current Publications
This fact sheet presents a sample budget for costs and returns for non-irrigated safflower in northern Utah.
Determining Water Requirements In Turfgrass Systems, Tyler Quinn Carr
Determining Water Requirements In Turfgrass Systems, Tyler Quinn Carr
Graduate Theses and Dissertations
Turfgrass lawns are commonly utilized for home and commercial applications because of the aesthetic, environmental, and recreational benefits grasses provide, but many people perceive turfgrass as solely an aesthetic benefit that requires significant water inputs. It is important to identify and use turfgrass cultivars that have known drought tolerance, and also fine-tune and throughout development. A series of field experiments were conducted to determine the water requirements of turfgrass lawn systems with the following objectives: 1) investigate differences in chronic drought resistance and irrigation recommendations among cultivars of Kentucky bluegrass (Poa pratensis L.) and tall fescue (Festuca arundinacea Schreb.) 2) …
Drivers Of On-Farm Performance Of Irrigation Water Management Practices: Empirical Evidence From Eastern Arkansas, Jacob Askey
Drivers Of On-Farm Performance Of Irrigation Water Management Practices: Empirical Evidence From Eastern Arkansas, Jacob Askey
Biological and Agricultural Engineering Undergraduate Honors Theses
Unsustainable agricultural practices are putting a strain on freshwater supplies in many parts of the world. More efficient irrigation techniques are going to be critical to feed a growing population. Data from the 2016 Arkansas Irrigation Survey was used to assess the adoption of three Irrigation Water Management (IWM) practices: multiple inlet rice irrigation, tailwater recovery, and storage reservoirs. Results indicate that these practices do not always lead to reported pumping time reductions, a proxy for water use savings. Large variations in pumping time reduction are observed across producers for all three practices. A Tobit model was used to examine …
Fertigation Facts, Kyle Egbert, Matt Yost, Bryce Sorensen, Grant Cardon, Niel Allen, Ryan Larsen
Fertigation Facts, Kyle Egbert, Matt Yost, Bryce Sorensen, Grant Cardon, Niel Allen, Ryan Larsen
All Current Publications
This fact sheet provides general information on forms of fertigation for primary plant nutrient, fertigation timng, and fertigation economics.
Effects Of Different Water And Nitrogen Regimens On Yield Of Winter Wheat Produced In Nebraska, Joseph Emory Davis
Effects Of Different Water And Nitrogen Regimens On Yield Of Winter Wheat Produced In Nebraska, Joseph Emory Davis
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Wheat is the 3rd most prominent crop in the USA and approximately 50% is exported annually. Nebraska wheat production is 11th in the country, and it plays a major role in the state's agricultural economy, especially in western NE. Generally, wheat is grown under dryland conditions and the region grows much more wheat on unirrigated land than it does on irrigated. However, deficit irrigation has shown great value in producing high yielding wheat with much less water than needed for other crops. Finding new ways to leverage irrigation in wheat production may help address the need to produce food …
Nematode Populations As Affected By Residue And Water Management In A Long-Term Wheat-Soybean Double Crop In Eastern Arkansas, Lucia Emperatriz Escalante Ortiz
Nematode Populations As Affected By Residue And Water Management In A Long-Term Wheat-Soybean Double Crop In Eastern Arkansas, Lucia Emperatriz Escalante Ortiz
Graduate Theses and Dissertations
Soybeans (Glycine max) are one of the major row crops in the United States, particularly in Arkansas. Soybean cyst nematode (SCN, Heterodera glycines) and southern root-knot nematode (RKN, Meloidogyne incognita) are two of the most damaging pests that cause major economic losses in soybeans. Little is known concerning the effects of common and alternative agronomic practices on nematodes in fields with nematode population densities below threshold levels. Therefore, the objective of this study was to evaluate the effects of the combination of tillage (conventional tillage and no-tillage), irrigation (irrigated and non-irrigated), wheat (Triticum aestivum) residue burning (burned and no burned), …
Lesson Plan, U.S. History, 8th Grade, Luis Sandoval
Lesson Plan, U.S. History, 8th Grade, Luis Sandoval
Fall Workshop October 2019
TEKS (Texas Essential Knowledge and Skills): 8.1 A, 8.29, 8.30
Lesson objective(s): 1. How humans interact with the environment
Differentiation strategies to meet diverse learner needs: -Ready for the Honors/GTS -Pictures & videos
Lesson Plan, U.S. History, 8th Grade, George Saldaña
Lesson Plan, U.S. History, 8th Grade, George Saldaña
Fall Workshop October 2019
TEKS (Texas Essential Knowledge and Skills): 1A
Lesson objective(s): How humans interact with the environment 1. Google maps
Differentiation strategies to meet diverse learner needs: Pics and videos
Low Flow Testing, Daniel J. Howes
Low Flow Testing, Daniel J. Howes
BioResource and Agricultural Engineering
In arid environments, streamflow enhancement in low flow channels is common. It is challenging to assess enhancement project effectiveness in these channels because of uncertainties in metering (regarding both meters and procedures). The basic equation for flow is:
Q = VA (Eq. 1)
Where,
Q = channel flow rate (e.g., cubic feet per second, CFS)
V = cross sectional average velocity (e.g., feet per second, fps)
A = cross sectional area (e.g., square feet, ft2)
There are three main factors that impact flow measurement uncertainty in natural channels:
1. Flow meter velocity measurements (V)
2. Depth and area measurements (A) …
Effects Of Severe Water Stress On Maize Growth Processes In The Field, Libing Song, Jiming Jin, Jianqiang He
Effects Of Severe Water Stress On Maize Growth Processes In The Field, Libing Song, Jiming Jin, Jianqiang He
Watershed Sciences Faculty Publications
In this study, we investigated the effects of water stress on the growth and yield of summer maize (Zea mays L.) over four phenological stages: Seedling, jointing, heading, and grain-filling. Water stress treatments were applied during each of these four stages in a water-controlled field in the Guanzhong Plain, China between 2013 and 2016. We found that severe water stress during the seedling stage had a greater effect on the growth and development of maize than stress applied during the other three stages. Water stress led to lower leaf area index (LAI) and biomass owing to reduced intercepted photosynthetically active …
The Potential For Moral Hazard Behavior In Irrigation Decisions Under Crop Insurance, Paloch Suchato
The Potential For Moral Hazard Behavior In Irrigation Decisions Under Crop Insurance, Paloch Suchato
Paloch Suchato
The Importance Of Pictia In Purifying Running Water. ( In The Example Of Andijan City, Uzbekistan), K. Cholpona
The Importance Of Pictia In Purifying Running Water. ( In The Example Of Andijan City, Uzbekistan), K. Cholpona
Central Asian Problems of Modern Science and Education
In current article the methods of purifying of sewage grey water plants with pistia telezorovid are given. The methods of efficient ways of analyzing in laboratory conditions are highlighted. The chemical and physical features of pistia plant are given
Interactive Effects Of Water And Fertilizer On Yield, Soil Water And Nitrate Dynamics Of Young Apple Tree In Semiarid Region Of Northwest China, Hanmi Zhou, Xiaoli Niu, Hui Yan, Na Zhao, Fucang Zhang, Lifeng Wu, Dongxue Yin, Roger Kjelgren
Interactive Effects Of Water And Fertilizer On Yield, Soil Water And Nitrate Dynamics Of Young Apple Tree In Semiarid Region Of Northwest China, Hanmi Zhou, Xiaoli Niu, Hui Yan, Na Zhao, Fucang Zhang, Lifeng Wu, Dongxue Yin, Roger Kjelgren
Plants, Soils, and Climate Faculty Publications
Exploring the interactive effect of water and fertilizer on yield, soil water and nitrate dynamics of young apple tree is of great importance to improve the management of irrigation and fertilization in the apple-growing region of semiarid northwest China. A two-year pot experiment was conducted in a mobile rainproof shelter of the water-saving irrigation experimental station in Northwest A&F University, and the investigation evaluated the response of soil water and fertilizer migration, crop water productivity (CWP), irrigation water use efficiency (IWUE), partial factor productivity (PFP) of young apple tree to different water and fertilizer regimes (four levels of soil water: …
Analysis Of Factors Determining Efficiencyhead Leaving Stain Rays, A.E. Vorobev, Чекушена Т.В., Tcharo X
Analysis Of Factors Determining Efficiencyhead Leaving Stain Rays, A.E. Vorobev, Чекушена Т.В., Tcharo X
Gorniy vestnik Uzbekistana
The efficiency of irrigation of stacks is an important component, ensuring the intensification of the heap leaching process in the extraction of metals from poor ores. The study of the irrigation process in heap leaching should be aimed at improving the economic and technological efficiency of the applied irrigation methods. In this regard, the study of the factors affecting the evaporation of leaching solutions in HL will make it possible to make new and improved decisions regarding the devices and methods for the supply of solutions. The influence of coarseness and agglomeration on irrigation efficiency was also considered.
Assessment Of Watersheds For Sustainable Agriculture In Karnataka, India, Nicholas Adam Charles
Assessment Of Watersheds For Sustainable Agriculture In Karnataka, India, Nicholas Adam Charles
FIU Electronic Theses and Dissertations
Modernization of traditional small-scale irrigation tanks in India is becoming increasingly popular. This is due to high costs of the alternative, of developing and constructing large-scale projects in rural areas. Examination of management strategies, resource allocation, and collective action has become paramount for promoting food security and livelihoods in water-stressed areas of Southeast Asia. Geographic Information System (GIS) and Remote Sensing techniques are valuable to assessing the management of these irrigation systems, specifically small water storage reservoirs that capture runoff from the monsoon known as irrigation tanks. The primary goal of this study is to develop a stakeholder-informed approach to …
Mobile Drip Irrigation For Pivots And Laterals, Matt Yost, Jonno Holt, Chad Reid, Dean Winward, Niel Allen, Earl Creech
Mobile Drip Irrigation For Pivots And Laterals, Matt Yost, Jonno Holt, Chad Reid, Dean Winward, Niel Allen, Earl Creech
All Current Publications
This fact sheet is base on four irrigation demonstration/research trials conducted during 2018. It is part of ongoing research.
Gravity Drip Irrigation System, Ryan C. Waldron, Cole R. Presson, Josh L. Plaskett
Gravity Drip Irrigation System, Ryan C. Waldron, Cole R. Presson, Josh L. Plaskett
Mechanical Engineering
A gravity-fed, drip irrigation system prototype has been developed for use in raised garden beds and other small-scale crop irrigation applications. The original developer of the prototype and sponsor of the project, Tina Creel, is seeking to refine it into a functional consumer product through the implementation of technical engineering and standard manufacturing processes. The scope of the project includes the tank support system and supply of water to the sponsors current piping subsystem. It does not include any modifications to the bed, piping system or water tank itself. The target specifications of the system include its load capacity, dimensions, …
Understanding Wetlands And Irrigation In The Little Snake River Basin, Wyoming, Lindsey Washkoviak
Understanding Wetlands And Irrigation In The Little Snake River Basin, Wyoming, Lindsey Washkoviak
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
The Little Snake River Basin (LSRB) is a managed basin in South-central Wyoming located within the Colorado River watershed facing severe water shortages. There is increased pressure on water resource managers and agricultural producers to adopt water efficiency practices that could negatively affect wetland resources. However, studies have begun to quantify the importance of irrigation for recharging groundwater, maintaining late season instream flows, and maintaining and creating wetlands that provide wildlife habitat and ecosystem services.
In the LSRB there are 11,636 acres of wetlands; 56% of which overlap with irrigation. Conversion to more efficient irrigation could reduce water availability to …
4r'S Of Irrigation Management, Matt Yost, Niel Allen, Grant Cardon, Earl Creech
4r'S Of Irrigation Management, Matt Yost, Niel Allen, Grant Cardon, Earl Creech
All Current Publications
This fact sheet introduces the concept of the 4'R's of irrigation management and discusses some factors to consider in each of the 4R's, right source, right rate. right time, and right place.
Defense Against Drought, Matt Yost, Bryce Sorensen, Earl Creech, Niel Allen, Ryan Larsen, Ricardo Ramirez, Corey Ransom, Chad Reid, Jody Gale, Boyd Kitchen
Defense Against Drought, Matt Yost, Bryce Sorensen, Earl Creech, Niel Allen, Ryan Larsen, Ricardo Ramirez, Corey Ransom, Chad Reid, Jody Gale, Boyd Kitchen
All Current Publications
This fact sheet outlines six tools that can be used to help alleviate some of the negative impacts of drought and help improve returns to crop production.
Producer Preferences For Alternative Irrigation Practices In The Arkansas Delta, Robert Edward Rosene
Producer Preferences For Alternative Irrigation Practices In The Arkansas Delta, Robert Edward Rosene
Graduate Theses and Dissertations
We use a bivariate sample selection model to address peer network effects on participation in and/or intensity of use of land being irrigated by alternative irrigation practices in the state of Arkansas. As groundwater in the state becomes more limited, the use of scientific scheduling, flowmeters, and more efficient row crop water application systems will allow producers to better manage water resources. We find relatively large, positive relationships between belonging to a peer network of the same irrigation practice and participation in that practice. Intensity of use of alternative irrigation techniques is mostly influenced by which crop type the practice …
Relationships Between Institutional Success And Length Of Tenure In A Kenyan Irrigation Scheme, Camille Washington-Ottombre
Relationships Between Institutional Success And Length Of Tenure In A Kenyan Irrigation Scheme, Camille Washington-Ottombre
Environmental Science and Policy: Faculty Publications
In a global context of climate change and increased water scarcity, the development of efficient irrigation schemes in sub-Saharan Africa where rainfed agriculture still prevails could significantly support food security. However, developing efficient irrigation schemes is highly challenging and necessitates the resolution of a number of collective action problems. Since the 1980s, a large body of research has explored the conditions needed for successful collective action, sustainable use of the resource in irrigation schemes, and the development of efficient institutions. Although there is no agreed-upon definition of what successful, sustainable, or efficient governance schemes or institutions are, there is a …
Three Essays On Irrigation Water Management In Louisiana Crop Production, Tej Kumar Gautam
Three Essays On Irrigation Water Management In Louisiana Crop Production, Tej Kumar Gautam
LSU Doctoral Dissertations
Competition for water resources among agricultural, municipal, and industrial sectors is increasing even in a traditionally water rich state like Louisiana. Irrigation water management is likely to be a critical issue in Louisiana in the near future. We conducted state-wide farm surveys to collect information regarding irrigation practices and concerns from Louisiana farmers during the crop years 2015 and 2016.
We analyzed three different issues associated with irrigation water management in Louisiana crop production. These analyses are presented in the form of three different essays. The first essay identifies the determinants of irrigation technology adoption and crop acreage allocation by …
Guide To Ms504 Herbert C. Morrow Papers, Luciano Herrera
Guide To Ms504 Herbert C. Morrow Papers, Luciano Herrera
Finding Aids
Herbert C. Morrow, Jr. (1933 - 2003) worked as Curator of Exhibits at UTEP’s Centennial Museum, as Director of Historic Preservation at the West Texas Council of Governments, and as archaeologist at Ft. Bliss. The bulk of the papers consist of the creator’s subject files about the history and archaeology of the U.S.-Mexico border region. They also contain research notes and reports on his work. The papers reflect a continuing interest in the horticulture of the area, particularly viticulture.
Variable Frequency Drive (Vfd) Specifications For Irrigation District Pumps, Charles M. Burt, Kyle Feist, Gary Wilson
Variable Frequency Drive (Vfd) Specifications For Irrigation District Pumps, Charles M. Burt, Kyle Feist, Gary Wilson
BioResource and Agricultural Engineering
This information was compiled by ITRC and includes specifications for standards, warranties, submittals, VFD size, and other technical details to aid districts in the selection and implementation of VFD system.
Examination Of The Climate Factors That Reduced Wheat Yield In Northwest India During The 2000s, Avik Mukherjee, Shih-Yu (Simon) Wang, Parichart Promchote
Examination Of The Climate Factors That Reduced Wheat Yield In Northwest India During The 2000s, Avik Mukherjee, Shih-Yu (Simon) Wang, Parichart Promchote
Plants, Soils, and Climate Faculty Publications
In India, a significant reduction of wheat yield would cause a widespread impact on food security for 1.35 billion people. The two highest wheat producing states, Punjab and Haryana in northern India, experienced a prolonged period of anomalously low wheat yield during 2002–2010. The extent of climate variability and change in influencing this prolonged reduction in wheat yield was examined. Daily air temperature (Tmax and Tave) was used to calculate the number of days above optimum temperature and growing degree days (GDD) anomaly. Two drought indices, the standard precipitation and evapotranspiration index and the radiation-based precipitation index, …
1995 - Monterey County Water Conservation Alternatives - An Analysis
1995 - Monterey County Water Conservation Alternatives - An Analysis
Monterey County Water Resources Agency Engineering Reports
The major goal of this study ,prepared by Agland Investment Services, Inc. on behalf of the Monterey County Water Resources Agency, was to estimate the direct and regional economic impacts of different policies aimed at encouraging agricultural water conservation in the Salinas Valley. The study also looked at combinations of conservation measures which could provide a least cost conservation contribution to the seawater intrusion problem. Agland concluded that policymakers should consider adopting a least cost approach when they considered the mix of infrastructure projects and urban and rural conservation measures.
General: Irrigation Bill Of Consumer Rights, Charles M. Burt
General: Irrigation Bill Of Consumer Rights, Charles M. Burt
BioResource and Agricultural Engineering
Cal Poly ITRC, together with various irrigation industry leaders and the Irrigation Dealers Association of California, plus with assistance from the California Energy Commission and Pacific Gas & Electric Co., developed the Irrigation Consumer Bill of Rights (ICBR) in 1994.
Drip/Micro Irrigation: Irrigation Consumer Bill Of Rights, Charles M. Burt
Drip/Micro Irrigation: Irrigation Consumer Bill Of Rights, Charles M. Burt
BioResource and Agricultural Engineering
Cal Poly ITRC, together with various irrigation industry leaders and the Irrigation Dealers Association of California, plus with assistance from the California Energy Commission and Pacific Gas & Electric Co., developed the Irrigation Consumer Bill of Rights (ICBR) in 1994.