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Articles 14551 - 14580 of 14813
Full-Text Articles in Earth Sciences
Food Habits Of Northern Rodents And Jackrabbits, W. E. Saul
Food Habits Of Northern Rodents And Jackrabbits, W. E. Saul
Memorandum
No abstract provided.
Population Studies Of Desert Cottontail, Black-Tailed Jackrabbit And Allen's Jackrabbit In The Sonoran Desert, C. R. Hungerford, C. H. Lowe, J. P. Gray
Population Studies Of Desert Cottontail, Black-Tailed Jackrabbit And Allen's Jackrabbit In The Sonoran Desert, C. R. Hungerford, C. H. Lowe, J. P. Gray
Memorandum
No abstract provided.
Role Of Annual Grasses And Shrubs In Nutrient Cycling Of Great Basin Plant Communities, C. M. Mckell, L. G. Kline
Role Of Annual Grasses And Shrubs In Nutrient Cycling Of Great Basin Plant Communities, C. M. Mckell, L. G. Kline
Memorandum
No abstract provided.
Growth And Development Of Sitanion Hystrix And Poa Sandergii, M. Hironaka, E. W. Tisdale
Growth And Development Of Sitanion Hystrix And Poa Sandergii, M. Hironaka, E. W. Tisdale
Memorandum
No abstract provided.
Effects Of Early And Late Irrigation In The Net Productivity Of Oryzopsis Hymenoids In Eastern Idaho, Lorentz C. Pearson
Effects Of Early And Late Irrigation In The Net Productivity Of Oryzopsis Hymenoids In Eastern Idaho, Lorentz C. Pearson
Memorandum
No abstract provided.
Effects Of Environmental Factors On Rates Of Primary Production Of Two Desert Grass Species, Gary L. Cunningham, Fred R. Balding
Effects Of Environmental Factors On Rates Of Primary Production Of Two Desert Grass Species, Gary L. Cunningham, Fred R. Balding
Memorandum
No abstract provided.
Gaseous Exchange In Mohave Desert Shrubs, S. Bamberg, A. Wallace
Gaseous Exchange In Mohave Desert Shrubs, S. Bamberg, A. Wallace
Memorandum
No abstract provided.
Gas Exchange Of Great Basin Shrubs, M. M. Caldwell, R. T. Moore, R. S. White, E. J. Depuit
Gas Exchange Of Great Basin Shrubs, M. M. Caldwell, R. T. Moore, R. S. White, E. J. Depuit
Memorandum
No abstract provided.
Predicting Nitrogen Transformations And Osmotic Potentials In Warm Desert Soils, G. R. Dutt, J. Hanks
Predicting Nitrogen Transformations And Osmotic Potentials In Warm Desert Soils, G. R. Dutt, J. Hanks
Memorandum
No abstract provided.
Factors Affecting The Movement And Distribution Of Anions In Desert Soils, J. J. Jurinak, R. A. Griffin
Factors Affecting The Movement And Distribution Of Anions In Desert Soils, J. J. Jurinak, R. A. Griffin
Memorandum
No abstract provided.
Soil Factors Influencing Water Uptake By Plants Under Desert Conditions, H. K. Qashu, D. D. Evans, R. S. Hanks, M. L. Wheeler
Soil Factors Influencing Water Uptake By Plants Under Desert Conditions, H. K. Qashu, D. D. Evans, R. S. Hanks, M. L. Wheeler
Memorandum
No abstract provided.
Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, Ting H. Hsiao
Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, Ting H. Hsiao
Memorandum
No abstract provided.
Colony Characters Of Termites As Related To Population Density And Habitat, W. L. Nutting, M. I. Haverty, J. P. Lafage, R. V. Carr
Colony Characters Of Termites As Related To Population Density And Habitat, W. L. Nutting, M. I. Haverty, J. P. Lafage, R. V. Carr
Memorandum
No abstract provided.
Demography, Foraging Activity Of Leaf-Cutter Ants, Acromyrmex Versicolor, In Relation To Colony Size And Location, Season, Vegetation And Temperature, F. G. Werner, S. L. Murray
Demography, Foraging Activity Of Leaf-Cutter Ants, Acromyrmex Versicolor, In Relation To Colony Size And Location, Season, Vegetation And Temperature, F. G. Werner, S. L. Murray
Memorandum
No abstract provided.
Proteolytic Activity Of Soil Microorganisms, Robert T. O'Brien
Proteolytic Activity Of Soil Microorganisms, Robert T. O'Brien
Memorandum
No abstract provided.
Aquatic Macroinvertebrates Of The Playa, G. Richardson, C. R. Ward, E. W. Huddleston
Aquatic Macroinvertebrates Of The Playa, G. Richardson, C. R. Ward, E. W. Huddleston
Memorandum
No abstract provided.
Statistical Analysis Of Desert Rock Distributions, Eugene Richard Heyman
Statistical Analysis Of Desert Rock Distributions, Eugene Richard Heyman
Memorandum
No abstract provided.
Data Summary For Aquatic Macroinvertebrates, L. G. Richardson, M. D. Merritt, C. R. Ward
Data Summary For Aquatic Macroinvertebrates, L. G. Richardson, M. D. Merritt, C. R. Ward
Memorandum
No abstract provided.
Transfer Of 32p From The Gastrointestinal Tract To Flesh As An Index Of Digestive Rate In The Desert Pupfish (Cyprindon Nevadensis), James Deacon
Memorandum
No abstract provided.
Dynamics And Productivity Of Aquatic Invertebrates In A Desert Environment, A. R. Gaufin, J. Stanford, E. Clubb, E. Nisonger
Dynamics And Productivity Of Aquatic Invertebrates In A Desert Environment, A. R. Gaufin, J. Stanford, E. Clubb, E. Nisonger
Memorandum
No abstract provided.
Dust Storms Cause Yield Losses, Department Of Agriculture, Western Australia, C. H. Trotman
Dust Storms Cause Yield Losses, Department Of Agriculture, Western Australia, C. H. Trotman
Journal of the Department of Agriculture, Western Australia, Series 4
Farmers and research workers are well aware that heavy grazing during summer loosens and exposes soil to the action of strong winds and summer thunder storms. They also realise that dust storms mean soil loss from paddocks, but until now there has been little idea of the effect of these storms on crop yields in subsequent seasons.
History Of Sedimentation In Montsweag Bay, Detmar Schnitker
History Of Sedimentation In Montsweag Bay, Detmar Schnitker
Maine Collection
History of Sedimentation In Montsweag Bay
by Setmar Schnitker
Bulletin #25, Department of Forestry, Augusta, Maine, 1972.
Contents: Abstract / Introduction / Geographic Setting / Seismic Profiling / Pleistocene Sediments / Holocene Sediments / Actual Sedimentation /. Suspended Sediments / Recent Changes / Outlook / Acknowledgements / References
Kojonup Maintenance Phosphorus And Sulphur Trial 68br7ex, J W. Bowden, B. Scurr
Kojonup Maintenance Phosphorus And Sulphur Trial 68br7ex, J W. Bowden, B. Scurr
Experimental Summaries - Plant Research
68BR7 Maintenance superphosphate and sulphur trial To determine the level of superphosphate to maintain near maximum plant and animal production with and without additional elemental sulphur. Experimental: There are 41 plots with 29 treatments. 12 treatments have 2 replications. Site: Very old land, whitegum and sheoak vegetation with greybrown sandy loam and some quartz grit. History: Superphosphate - 1/2bag for 40 years - 3,600 lbs (1633 kg). 600 lb (272 kg) in the last 4 years to 1967.
1972 - Part 3 - Lupin Cultivar Comparison, G H. Walton
1972 - Part 3 - Lupin Cultivar Comparison, G H. Walton
Experimental Summaries - Plant Research
The 1972 experimental results provide a good comparison between Unicrop and Uniharvest lupin under low rainfall conditions. While most trial results have to be examined in the knowledge of low rainfall confounded with high weed competition, some useful and practical conclusions can be drawn. Trials - 72MO10, 72MT33, 72GE11, 72GE12, 72GE13, 72GE14, 72LG7, 72LG10, 72NO9, 72NO10, 72TS10. Other grain legume variety trials which were not harvestable for lupin varieties - 72AL10, 72ES9, 72LG8, 72LG9, 72NA10, 72NA11, 72TS11, 72WH9,
Soil And Plant Analysis For Mineral Deficiencies, M D. Carroll
Soil And Plant Analysis For Mineral Deficiencies, M D. Carroll
Journal of the Department of Agriculture, Western Australia, Series 4
Soil and plant analysis (testing) has its supporters and its critics. Some of the differences are resolved if the distinction is made between the concept and the practice. Most people would agree with the concept of soil and plant analysis but the practice, or service offered, in any agricultural situation can be subject to valid criticism.
This article defines some of the principles involved and illustrates some of the problems, to provide a better understanding of the usefulness and the limitations of soil and plant analysis as a diagnostic aid in plant and animal nutrition.
Limnology Of Four Bauxite Open-Pit Lakes, George L. Harp, Ronald D. Hubbard
Limnology Of Four Bauxite Open-Pit Lakes, George L. Harp, Ronald D. Hubbard
Journal of the Arkansas Academy of Science
The aquatic flora and fauna and 18 physicochemical characteristics of four bauxite open-pit lakes were studied from September 1969 to August 1970. The least acid lake (pH 3.4-4.4) supported 49 different aquatic insects, plankton, and higher aquatic plants. The most acid lake (pH 2.7-3.2) supported only 26 different plants and animals. Bauxite open-pit lakes within the pH range studied appear to be as relatively unproductive as their coal strip-mine lake counterparts, with which they share physicochemical and biological characteristics. Benthic macrofaunal diversity and abundance appear to be related more closely to distribution and abundance of leaf detritus than to hydrogen-ion …
Bulletin No 3861 - Kimberley Research Station - Progress Report 1972, J. R. Mcalpine, R. H. Gunn, P. Jakobsen, R. Wetselaar, J. J. Basinski, N. J. Thomson, A. G. L. Wilson, D. H. Mackenzie, A. J. Millington, D. F. Beech, P. C. Owen, B. G. Williams, C. G. Blunt, A. Mcr Holm
Bulletin No 3861 - Kimberley Research Station - Progress Report 1972, J. R. Mcalpine, R. H. Gunn, P. Jakobsen, R. Wetselaar, J. J. Basinski, N. J. Thomson, A. G. L. Wilson, D. H. Mackenzie, A. J. Millington, D. F. Beech, P. C. Owen, B. G. Williams, C. G. Blunt, A. Mcr Holm
Bulletins - 3000 - 3999
The systematic investigations of the potential of the Ord area for irrigated farming began during the Second World War when the possibilities of damming the river were first examined, initial soil survey was carried out, and agricultural experiments started. The Kimberley Research Station was established on its present site in 1945. A year later the State and Commonwealth Governments agreed to finance and operate the Station jointly, with CSIRO and the Western Australian Department of Agriculture being responsible for research.
The construction of the main dam designed to store 5,675 million m" ( 4.6 million acre feet) was completed in …
Plant Cover For Bare And Salt Affected Land, Department Of Agriculture, Western Australia
Plant Cover For Bare And Salt Affected Land, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
The contributions made by this State to land reclamation were recognised at an international level last year.
Mr. C. V. Malcolm, a research officer with the Soils Division, presented a paper entitled "Establishing Shrubs in Saline Environments" at a symposium on Useful Wildland Shrubs, Their Biology and Utilisation, at Utah State University, Logan, Utah.
The conclusion to Mr. Malcolm's review, set out below, summarises much of what is known about shrub establishment in saline areas.
A Report On The Condition Of The Gascoyne Catchment, D G. Wilcox, E A. Mckinnon
A Report On The Condition Of The Gascoyne Catchment, D G. Wilcox, E A. Mckinnon
Resource management technical reports
Severe flooding in Carnarvon followed heavy rains on the Gascoyne Catchment in February 1961. The flooding and erosion were extensive enough to suggest that run-off from the catchment was excessive. Lightfoot (1961)* reported that excess run-off was due to degradation of the catchment area. This report will describe the catchment area in terms of the degradation of its rangeland and its susceptibility to erosion.
Summary Of Trial Results 1972 (February 1973), N. R. Mckeown
Summary Of Trial Results 1972 (February 1973), N. R. Mckeown
Experimental Summaries - Plant Research
1.0.0. Trials in Progress During 1972 observations were made on 16 small plot legume species trials and 11 grazing trials. In 1973 the small plot trials will be reduced to 10. This report summarizes the results from the grazing trials under the following headings:- 2.0.0. Seasonal conditions 3.0.0. Grazing experiments 3.1.0. 68MO23 - Legume grazing management trial, West Moora 3.2.0. 71LG17 - Comparison of production from Cyprus Medic and volunteer pasture 3.3.0. Comparison of production from tornafield medic,serradella and subterranean clover 3.3.1. 70ME2 - Walgoolan 3.3.2. 71WH13 - Wongan Hills 3.3.3. 69MO17 - Watheroo 3.3.4. 69LG24 - Lake Grace 3.4.0. …