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Articles 8641 - 8670 of 9283

Full-Text Articles in Earth Sciences

Lupin Trials, J Moore Jan 1977

Lupin Trials, J Moore

Experimental Summaries - Plant Research

Trials in lupins this year concentrated on testing herbicide for post emergence use in lupins. Of the 20 herbicides tested 12 did not cause significant decreases in crop density and/or yield. However, weed control was often poor and the herbicide phytotoxicity tended to vary between sites. (Chapman, Badgingarra and Avondale). The Chapman and Avondale trials were not harvested because of drought. Trials in 1978 should determine if any of the herbicides tested can safely be recommended. Lupins - summary. Post emergence lupin herbicides (Badgingarra Research Station) - 77BA36. Post emergence herbicides for lupins (Chapman Research Station) - 77C18. Post emergence …


Water Supplies On Wheatbelt Farms : A General Picture, I A F Laing Jan 1977

Water Supplies On Wheatbelt Farms : A General Picture, I A F Laing

Journal of the Department of Agriculture, Western Australia, Series 4

In good rainfall years, farm dams provide water fo more than 50 per cent of the total stock in the wheatbelt.

Other sources include ground water supplies and the piped Comprehensive Water Scheme.

The March 1970 census included questions on farm water supplies including how farmers coped in the 1969-70 drought.


Test Sites For Farm Dams, Department Of Agriculture, Western Australia Jan 1977

Test Sites For Farm Dams, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

A short article outlining procedures for testing potential dam sites.


Farm Dams In The Wheatbelt, I A F Laing Jan 1977

Farm Dams In The Wheatbelt, I A F Laing

Journal of the Department of Agriculture, Western Australia, Series 4

Of the estimated 76 000 farm dams in the wheatbelt, about 8 per cent either leak or are salt affected. The remaining 70 000 dams are capable of holding water for livestock use and can be regarded as sercicable dams.

A great many of the serviceable dams are unreliable water supplies due to the combined effects of lack of runoff from catchments, shallow depth of storage and small size of storage in relation to expected demand from livestock and evaporation loss.


Design Standards For Farm Surface Water Supplies, J L. Frith Jan 1977

Design Standards For Farm Surface Water Supplies, J L. Frith

Journal of the Department of Agriculture, Western Australia, Series 4

Design is usually concerned with getting adequate return from limited recources. Farm dams which dry up represent dam failure. Less seriously, so too do dams which, although not drying out, never fill; they waste a recource.


Geophysical Institute Annual Report 1976-77, University Of Alaska Fairbanks. Geophysical Institute Jan 1977

Geophysical Institute Annual Report 1976-77, University Of Alaska Fairbanks. Geophysical Institute

GI Reports

The 1976–77 Geophysical Institute Annual Report presents an overview of the year’s scientific research achievements across the Institute’s disciplines, alongside operational summaries covering finances, administrative changes, and other key activities.


Groundwater In The Wheatbelt, E P. O'Driscoll Dec 1976

Groundwater In The Wheatbelt, E P. O'Driscoll

Journal of the Department of Agriculture, Western Australia, Series 4

In general six factors affect the occurence of groundwater; rainfall, topography, rock type, rock structurs, vegetation, and local evaporation.

Variation in even one of these can affect the potential yield of a bore or well, the groundwater salinity, and even whether any groundwater occurs at all.


Ecology Of Suspected Damaging Coyotes And Their Interactions With Domestic Poultry And Livestock, William F. Andelt Dec 1976

Ecology Of Suspected Damaging Coyotes And Their Interactions With Domestic Poultry And Livestock, William F. Andelt

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Computer Sheets, Walter A. Lawrance Oct 1976

Computer Sheets, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Lower Androscoggin River, Walter A. Lawrance Oct 1976

Lower Androscoggin River, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Press Reports, Walter A. Lawrance Oct 1976

Press Reports, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


The Oombulgurri Project Clancy Committee Report, D J. Clancy, P Mccosker, C Mayberry, A J. Millington, P Ryan Aug 1976

The Oombulgurri Project Clancy Committee Report, D J. Clancy, P Mccosker, C Mayberry, A J. Millington, P Ryan

All other publications

In early August the Oombulgurri community requested assistance in the following terms.

"On behalf of the Oombulgurri Community, we invite assistance in developing the grain and pasture cropping at Oombulgurri. We have experimented with peanuts, sorghum, and many varieties of vegetables. This has tested the reality of hopes to expand acreage and varieties to become self-sufficient in stock feed. The Farm and Garden Guild now needs the expertise of your services to plan a four-year programme. vie need assistance in choosing from the many options, opinions and advices available from Australia and elsewhere, for grain production, pastures, methods appropriate to …


Statistical Models For Precipitation, Z. Govindarajulu, Peter Purdue, Frank Cioch Aug 1976

Statistical Models For Precipitation, Z. Govindarajulu, Peter Purdue, Frank Cioch

KWRRI Research Reports

The available data consists of daily rainfall for the past 24 years (1948-1972) for Lexington, Louisville and Paducah. However, for Ashland, the data is available for the period of 40 years (1932-1972). The problem is to find an appropriate family of distributions indexed by a suitable number of parameters that fits the maximum daily rainfall. Further, there might be seasonal variations. The following seasons were considered: (i) Dry Convective season: August 1-0ctober 30; (ii) Early Convective season: May 1-July 31; (iii) Late Convective season: November 1- April 30. After extracting the yearly maximums for each of these seasons (see Appendix …


Keystone Quadrangle, Keith County, Nebraska, Robert F. Diffendal Jr. Jul 1976

Keystone Quadrangle, Keith County, Nebraska, Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

7.5' topgraphic quadrangle showing exposures of bedrock formations and other geologic information.

41° 07'30" to 41° 15'

101° 30' to 101° 37'30"

Scale 1:24,000

Completed July 16, 1976

High resolution .tif file (130 MB) attached below as supplemental file


Final Report - Lake Mead Monitoring Program, James E. Deacon Jul 1976

Final Report - Lake Mead Monitoring Program, James E. Deacon

Publications (WR)

The Lake Mead monitoring program has developed a substantial body of information on the physical, chemical and biological limnology of Lake Mead since 1972. This report summarizes pertinent aspects of that data, with emphasis on studies completed in 1975 -76. It is our continuing hope that the data developed by us will be useful to an ever broader group of users of the water resource represented by Lake Mead. We have been privileged to see our data have a significant influence in some very important water resource decisions over the past four years. There is every reason to expect that …


Hydrodynamic Separation Of Solids From Solid-Liquid Mixtures, Harry J. Sterling Jr., Don J. Wood Jun 1976

Hydrodynamic Separation Of Solids From Solid-Liquid Mixtures, Harry J. Sterling Jr., Don J. Wood

KWRRI Research Reports

Several schemes for separating solid pollutants from water flowing in a closed conduit were examined. Separation based on the momentum differential between the solids and liquids and the centrifugal movement of a conveying liquid were both examined under turbulent flow conditions. The study indicated these processes to have limited applications, primarily due to the difficulties in withdrawing a significant fraction of separated flow and the deleterious effects of turbulent mixing. However, utilization of the differential momentum of solid particles and water when flowing laminarly through a pipe was found to be a viable separation scheme. Significant experimental separations (greater than …


The Succession Of Late Cenozoic Volcanic Ashes In The Great Plains: A Progress Report, John Boellstorff May 1976

The Succession Of Late Cenozoic Volcanic Ashes In The Great Plains: A Progress Report, John Boellstorff

School of Natural Resources: Faculty Publications

No abstract provided.


Ua12/2/19 Earth Week, Energy For Student Awareness Apr 1976

Ua12/2/19 Earth Week, Energy For Student Awareness

WKU Administration Documents

Newspaper created by the Energy for Student Awareness group regarding Earth Week and environmental issues.


Buffalo National River Ecosystems - Part Ii, R. E. Babcock, E. E. Dale, H. C. Macdonald, R. L. Meyer, D. G. Parker, E. B. Smith, K. F. Steele Mar 1976

Buffalo National River Ecosystems - Part Ii, R. E. Babcock, E. E. Dale, H. C. Macdonald, R. L. Meyer, D. G. Parker, E. B. Smith, K. F. Steele

Arkansas Water Resources Center Technical Reports

The priorities were established for the Buffalo National River Ecosystem Studies through meetings and correspondence with Mr. Roland Wauer and other personnel of the Office of Natural Sciences, Southwest Region of the National Park Service. These priorities were set forth in the appendix of contract no. CX 700050443 dated May 21, 1975.


Biology Of Nematodes In Desert Ecosystems, D. W. Freckman, R. Mankau Jan 1976

Biology Of Nematodes In Desert Ecosystems, D. W. Freckman, R. Mankau

Memorandum

No abstract provided.


Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Application, R. B. Hunter, E. M. Romney, A. Wallace, H. O. Hill, T. A. Ackerman, J. E. Kinnear Jan 1976

Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Application, R. B. Hunter, E. M. Romney, A. Wallace, H. O. Hill, T. A. Ackerman, J. E. Kinnear

Memorandum

No abstract provided.


Estimation Of Functional Root Biomass And Root And Shoot Response Of Atriplex Confertifolia To Summer Rain, K. C. Hodgkinson, P. S. Johnson, B. E. Norton Jan 1976

Estimation Of Functional Root Biomass And Root And Shoot Response Of Atriplex Confertifolia To Summer Rain, K. C. Hodgkinson, P. S. Johnson, B. E. Norton

Memorandum

No abstract provided.


Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, T. H. Hsiao, A. K. Temte Jan 1976

Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, T. H. Hsiao, A. K. Temte

Memorandum

No abstract provided.


The Ants Of Arizona: An Ecological Study Of Ants In The Sonoran Desert, C. Gaspar, F. G. Werner Jan 1976

The Ants Of Arizona: An Ecological Study Of Ants In The Sonoran Desert, C. Gaspar, F. G. Werner

Memorandum

No abstract provided.


Seasonal Use Of Soil Moisture By Larrea Tridentata And Ambrosia Deltoidea, D. R. Cable Jan 1976

Seasonal Use Of Soil Moisture By Larrea Tridentata And Ambrosia Deltoidea, D. R. Cable

Memorandum

No abstract provided.


Plant Demographic Studies Of Desert Annual Communities In Northern Utah Dominated By Non-Native Weedy Species, D. R. Duba, B. E. Norton Jan 1976

Plant Demographic Studies Of Desert Annual Communities In Northern Utah Dominated By Non-Native Weedy Species, D. R. Duba, B. E. Norton

Memorandum

No abstract provided.


Jornada Validation Site Report, W. G. Whitford Jan 1976

Jornada Validation Site Report, W. G. Whitford

Memorandum

No abstract provided.


Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J. J. Jurinak, D. W. James, A. Van Luik Jan 1976

Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J. J. Jurinak, D. W. James, A. Van Luik

Memorandum

No abstract provided.


Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J. A. Macmahon, B. E. Norton, B. M. Capen Jan 1976

Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J. A. Macmahon, B. E. Norton, B. M. Capen

Memorandum

No abstract provided.


Gas Exchange And Productivity Of Sonoran Desert Shrubs, S. R. Szarek, R. M. Woodhouse Jan 1976

Gas Exchange And Productivity Of Sonoran Desert Shrubs, S. R. Szarek, R. M. Woodhouse

Memorandum

No abstract provided.