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Articles 9511 - 9540 of 11978
Full-Text Articles in Physical Sciences and Mathematics
Groundwater-Level Changes In Nebraska, Predevelopment To Spring 1997/Registered Irrigation Wells In Nebraska-Spring 1997, Conservation Survey Division, Jennifer Stanton, Ann Mack, Jim Weir
Groundwater-Level Changes In Nebraska, Predevelopment To Spring 1997/Registered Irrigation Wells In Nebraska-Spring 1997, Conservation Survey Division, Jennifer Stanton, Ann Mack, Jim Weir
Conservation and Survey Division
No abstract provided.
Avon And Upper Hotham Region Natural Resource Atlas, Sarah Weaving, Jason Batory
Avon And Upper Hotham Region Natural Resource Atlas, Sarah Weaving, Jason Batory
All other publications
The Avon and Upper Hotham Region Atlas is one of a series of Natural Resource Atlases covering the agricultural region of Western Australia. The purpose of the Atlas is to provide data for local people who manage or have an interest in natural resources. This includes the members of Land Conservation District Committees (LCDC), catchment groups, local government, non-government organisations, conservation groups, schools and libraries.
The aim of this publication is to bring together land and natural resource information from a number of sources and present it in a clear and accessible way. The data covers a number of topics …
Salinity And Hydrology Of The Fence Road Catchment : A Focus Catchment Of The Blackwood Basin, Ben Whitfield
Salinity And Hydrology Of The Fence Road Catchment : A Focus Catchment Of The Blackwood Basin, Ben Whitfield
Resource management technical reports
It is the clearing of native vegetation and replacement with lower water-use annual crops and pastures that is responsible for the developing salinity problem. Traditional farming practices have led to increased recharge to the groundwater systems resulting in increased storage and/or greater areas or rates of discharge. Groundwater monitoring has revealed variable rates of rise throughout the Fence Road catchment, from static to 0.6 metres per year, in a period of average to below average rainfall.
Coastal Land And Groundwater For Horticulture From Gingin To Augusta, Dennis Van Gool, Werner Runge
Coastal Land And Groundwater For Horticulture From Gingin To Augusta, Dennis Van Gool, Werner Runge
Resource management technical reports
Due to a variety of factors, including infrastructure needs, labour requirements and transport costs, horticulture is normally located near major urban centres. This study focuses on the coastal plain region from Gingin to Augusta. This region accomodates over 80% of Western Australia's population and includes the States major urban centres. This region also accounts for over half the State's horticultural production with a gross value of production of $244 million.
Agmaps - Horticulture Land Capability Maps, Swan Coastal Plain, Lancelin To Augusta, Dennis Van Gool, Werner Runge
Agmaps - Horticulture Land Capability Maps, Swan Coastal Plain, Lancelin To Augusta, Dennis Van Gool, Werner Runge
Agmaps
This CD-ROM contains maps derived from the report "Coastal Land and Groundwater for Horticulture from Gingin to Augusta" prepared by Dennis van Gool and Werner Runge in May 1999 as part of a project funded by the National Landcare Program, Agriculture Western Australia and the University of Western Australia. Also included on the CD are many technical publications which may now be out of date.
Resource Notes-Academic Year 1998-99
Resource Notes-Academic Year 1998-99
Conservation and Survey Division
No abstract provided.
2018 Nebraska Water Leaders Academy - Final Report, Mark E. Burbach
2018 Nebraska Water Leaders Academy - Final Report, Mark E. Burbach
Conservation and Survey Division
Nineteen participants completed the 2018 Water Leaders Academy bringing the total number of graduates to 120 since the inception of the program in 2011. Assessment of participants’ transformational leadership skills, champion of innovation skills, water knowledge and engagement, civic capacity, and entrepreneurial leadership behaviors showed a significant increase over the course of the year, from both participants’ and their raters’ perspectives. Feedback from participants was highly positive and constructive. Participant concerns were addressed, and only minor changes are planned for the 2019 Academy curriculum. Results of the program assessment indicate that the curriculum is meeting Academy objectives. Most importantly, Alumni …
Acres Irrigated In Nebraska - Past, Present, And Future, Bryce B. Pease
Acres Irrigated In Nebraska - Past, Present, And Future, Bryce B. Pease
Conservation and Survey Division
No abstract provided.
Groundwater-Level Changes In Nebraska, 1996, Abraham H. Chen, Mohan J. Khisty
Groundwater-Level Changes In Nebraska, 1996, Abraham H. Chen, Mohan J. Khisty
Conservation and Survey Division
No abstract provided.
Dawson County Test Hole Logs, Frank A. Smith
Dawson County Test Hole Logs, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Douglas County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Douglas County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Howard County Test Hole Logs, Vincent H. Dreeszen
Howard County Test Hole Logs, Vincent H. Dreeszen
Conservation and Survey Division
No abstract provided.
Hamilton County Test Hole Logs, Perry B. Wigley
Hamilton County Test Hole Logs, Perry B. Wigley
Conservation and Survey Division
No abstract provided.
Hall County Test Hole Logs, Vincent H. Dreeszen
Hall County Test Hole Logs, Vincent H. Dreeszen
Conservation and Survey Division
No abstract provided.
Kearney County Test Hole Logs, Scott E. Summerside
Kearney County Test Hole Logs, Scott E. Summerside
Conservation and Survey Division
No abstract provided.
Merrick County Test Hole Logs, Frank A. Smith
Merrick County Test Hole Logs, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Sarpy County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Sarpy County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division
No abstract provided.
Wayne County Test Hole Logs, Sue Olafsen Lackey, Frank A. Smith, Raymond R. Burchett
Wayne County Test Hole Logs, Sue Olafsen Lackey, Frank A. Smith, Raymond R. Burchett
Conservation and Survey Division
No abstract provided.
Stanton County Test Hole Logs, Sue Olafsen Lackey, Frank A. Smith, Raymond R. Burchett
Stanton County Test Hole Logs, Sue Olafsen Lackey, Frank A. Smith, Raymond R. Burchett
Conservation and Survey Division
No abstract provided.
Phelps County Test Hole Logs, S. E. Summerside
Phelps County Test Hole Logs, S. E. Summerside
Conservation and Survey Division
No abstract provided.
Groundwater-Level Changes In Nebraska 1996, Abraham H. Chen, Mohan J. Khisty
Groundwater-Level Changes In Nebraska 1996, Abraham H. Chen, Mohan J. Khisty
Conservation and Survey Division
No abstract provided.
Observations On Groundwater Recharge In The Westdale Catchment, M F. Lewis, C E. Mcconnell
Observations On Groundwater Recharge In The Westdale Catchment, M F. Lewis, C E. Mcconnell
Resource management technical reports
A study of the role of groundwater carriers and barriers in controlling salinity was carried out in the Westdale Catchment by Lewis and McConnell (in preparation). Although that study was primarily concerned with groundwater flow and discharge processes, the data collected also provided rudimentary information on the timing of groundwater recharge events and their distribution across the landscape.
Highline Breaks Watershed [Microform] : Otero County, Colorado, Pueblo County, Colorado : Watershed Plan And Environmental Assessment, United States Natural Resources Conservation Service, Colorado State Soil Conservation Board
Highline Breaks Watershed [Microform] : Otero County, Colorado, Pueblo County, Colorado : Watershed Plan And Environmental Assessment, United States Natural Resources Conservation Service, Colorado State Soil Conservation Board
Environmental Assessments (NV)
No abstract provided.
Pastoral Resources And Their Management In The Sandstone-Yalgoo-Paynes Find Area, Western Australia, A M E Van Vreeswyk, P. T. Godden
Pastoral Resources And Their Management In The Sandstone-Yalgoo-Paynes Find Area, Western Australia, A M E Van Vreeswyk, P. T. Godden
Agriculture reports
This report covers about 94,700 square kilometres of rangelands in the Sandstone-Yalgoo-Paynes Find area of Western Australia. The area lies within 27°S and 30°S latitudes, and 115°30'E and 120°E longitudes and includes the towns of Sandstone, Yalgoo and Paynes Find. The northern, southern, and eastern limits of the survey area are largely defined by the boundaries of the 1:250,000 scale series map sheets.The western limit is the boundary between the pastoral and agricultural area.
Comparison Of Water And Temperature Distribution Profiles Under Sand Tube Irrigation, Masoud Meshkat, Richard C. Warner, Stephen R. Workman
Comparison Of Water And Temperature Distribution Profiles Under Sand Tube Irrigation, Masoud Meshkat, Richard C. Warner, Stephen R. Workman
Biosystems and Agricultural Engineering Faculty Publications
Drip irrigation is one of the most efficient systems in delivering water to the plant root zone. Research has shown that the saturated, or nearly saturated, surface beneath the emitter may increase evaporation thereby reducing the irrigation efficiency. To increase the efficiency of surface applied drip irrigation on permanent tree crops a sand tube irrigation (STI) method was developed and tested. The sand tube method consists of removing a soil core beneath the emitter and filling the void with coarse sand. A weighing lysimeter was designed and instrumented to directly measure temporal evaporation during irrigation and for a period of …
Field Scale Variability Of Nitrogen And Δ15n In Soil And Plants, D. E. Clay, J. Chang, S. A. Clay, M. Ellsbury, C. G. Carlson, D. D. Malo, D. Woodson, T. Desttur
Field Scale Variability Of Nitrogen And Δ15n In Soil And Plants, D. E. Clay, J. Chang, S. A. Clay, M. Ellsbury, C. G. Carlson, D. D. Malo, D. Woodson, T. Desttur
Agronomy, Horticulture and Plant Science Faculty Publications
Understanding the factors that influence soil and plant nitrogen (N) spatial variability may improve our ability to develop management systems that maximize productivity and minimize environmental hazards. The objective of this study was to determine the field (65 ha) scale spatial variability of N and δ15N in soil and corn (Zea mays). Soil, grain, and stover samples were collected from grids that ranged in size from 30 by 30 m to 60 by 60 m. Plant samples, collected following physiological maturity in 1995, were analyzed for total N and δ15N. Soil samples, collected prior …
Modelling Direct Episodic Recharge In The Western Australian Wheatbelt, F Lewis, Cooperative Research Centre For Catchment Hydrology (Australia)
Modelling Direct Episodic Recharge In The Western Australian Wheatbelt, F Lewis, Cooperative Research Centre For Catchment Hydrology (Australia)
Resource management technical reports
In agricultural regions of Western Australia, salinity is spreading. This is because the area taken up by groundwater discharge is increasing as a result of increased groundwater recharge following the replacement of native vegetation systems by annual crops and pasture species. Attempts to reduce groundwater recharge are now being made as it is hoped that this will decrease the rate of land salinisation. At several sites, average recharge rates have been estimated to be from 2% to 13% of the average annu ter hydrographs from the agricultural regions indicate that at some sites recharge does not occur as small amounts …
Revegetation Strategies For Groundwater Control In The Eastern Wheatbelt, C E. Mcconnell
Revegetation Strategies For Groundwater Control In The Eastern Wheatbelt, C E. Mcconnell
Resource management technical reports
No abstract provided.
Vulnerability And Use Of Ground And Surface Waters In The Southern Mississippi Valley Region, H. Don Scott
Vulnerability And Use Of Ground And Surface Waters In The Southern Mississippi Valley Region, H. Don Scott
Technical Reports
There is a concern in the Southern Mississippi River Valley of the United States over non-point source pollution of ground and surface waters resulting from activities associated with agricultural production. This agriculturally intensive region consists of two major land resource areas (MLRAs): Southern Mississippi Valley Silty Uplands (MLRA 134) and the Southern Mississippi Valley Alluvium (MLRA 131). Both MLRAs have level to undulating and rolling topography, relatively fertile soils and a climate particularly conducive for row crop production.