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Articles 10621 - 10650 of 11977
Full-Text Articles in Physical Sciences and Mathematics
1. Cereal Agronomy, 2. Pesticides, J. H. Moore, G. R. Dean
1. Cereal Agronomy, 2. Pesticides, J. H. Moore, G. R. Dean
Experimental Summaries - Plant Research
Best bet minimum tillage, 86AL38, 86AL39, 86AL40. Minimum tillage factors, 86AL62. South coast potential yield factors, 86 AL 81, 86AL82. Time of planting by variety interaction - south coast, 86AL87. Capeweed control in cereals with residual herbicides, 86AL45. Sprayseed/glean, roundup/glean tank mixes for grass control, 86AL43. Sorrel control systems, 86AL43. Sorrel control for pasture establishment. Pre plant ally on barley, 86AL86. Pre plant ally on oats, 86AL84, 86AL85. Pre plant ally on clover, 86AL63. Pre plant ally on peas, 86AL65. Pre plant ally on rape, 86AL67. Double knockdowns, 86AL68, 86MT67. Rate, time of spraying and scarifying interaction on pre-p1ant herbicides, …
Capeweed Control In Cereals., J. R. Peirce, B. J. Rayner
Capeweed Control In Cereals., J. R. Peirce, B. J. Rayner
Experimental Summaries - Plant Research
Capeweed control in cereals pre-sowing control, 86WH58. Capeweed control in cereals post-emergence control, 86WH59. Capeweed control in cereals post-emergence control with Reglone®, 86WH69. Capeweed control in cereals post-emergence control with various products, 86WH70. Capeweed control in cereals post-emergence control with mixtures, 86WH74. Lovegrass (Eragrostis curvula) control along roadsides, 86WH75. Chemical control of Four o'Clock (Oxalis purpurea) in cereals, 86N0110. Hoegrass, different rates with oils or wetting agent for wild oat control in cereals, 86N0118. Chemicals x depth of blade plowing to control couch, 86N010. Chemical x cultural control of couch (long-term), 85N092. Chemical control of couch prior to cereal establishment, …
Effectiveness Of Various Herbicides On Hoegrass Resistant Wild Oats. Effect Of Herbicides On Hoegrass Resistant Annual Ryegrass. Growth Of Cereals Planted In Simazine Treated Soil. Growth Of Wheat One Year After Simazine. Glean Use On Drier Alkaline Soils., T. Piper
Experimental Summaries - Plant Research
86N0113, 86N0114, 86N0115, 86N0116, 86N0102, 86N0103, 86N0103, 86N0104, 86N0105, 85WH54, 85ME56, 85N27, 86WH51, 86N34, 85N30, 86WH52, 86N33, 86WH53, 86SG25,
Radish Control In Lupins, Weed Control In Lupins, Peas - Broadleaf Weed Control, Peas - Post Emergence Grass Control, Grapevines - Herbicide And Fruit Quality., D. J. Gilbey, R. Klemm
Radish Control In Lupins, Weed Control In Lupins, Peas - Broadleaf Weed Control, Peas - Post Emergence Grass Control, Grapevines - Herbicide And Fruit Quality., D. J. Gilbey, R. Klemm
Experimental Summaries - Plant Research
Radish control in lupins simazine "top up", 86N085. Radish control in lupins diflufenican, 86 GE 42, 86 MO 33, 86 ME 83. Radish control in lupins probe, 86 TS 33, 86 GE 41. Radish control in lupins simazine and atrazine, 86 GE 43, 86 MO 34, 86 NO 87, 86 LG 41. Capeweed control in lupins simazine and atrazine, 86 LG 41. Radish control in lupins, 86 TS 38. Radish control in lupins post emergence herbicides, 86 WH 68. Radish control in lupins post emergence herbicides, 86 MO 42. Radish control in lupins post emergence duiron and 2,4-db, 86 GE …
Factors Affecting Anion Movement And Retention In Four Forest Soils, D. W. Johnson, D. W. Cole, H. Van Miegroet, F. W. Horng
Factors Affecting Anion Movement And Retention In Four Forest Soils, D. W. Johnson, D. W. Cole, H. Van Miegroet, F. W. Horng
Watershed Sciences Faculty Publications
Three hypotheses concerning the movement and retention of anions in forest soils were tested in a series of laboratory and field studies on two Tennessee Ultisols with mixed deciduous forest cover and two Washington Inceptisols, one with deciduous (red alder Alnus rubra Bong.) and one with coniferous [Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco] forest cover. The first hypothesis, that sulfate and phosphate retention was related to adsorption to free Fe and Al oxides, which were in turn related to soil parent material and degree of weathering, was not supported by results of laboratory and field studies. The young, relatively unweathered Washington …
Proceedings -- National Wilderness Research Conference: Current Research, United States Department Of Agriculture, Forest Service
Proceedings -- National Wilderness Research Conference: Current Research, United States Department Of Agriculture, Forest Service
Forestry
Includes more than 70 reports of current wilderness research. Papers are organized around nine topics: wilderness resource research, including natural fire, air quality, impacts to soil and vegetation, fish and wildlife, and water; and wilderness user research related to recreational use and user characteristics, attitudes and behavior, benefits, and management concepts and tools.
The Guy Smith Interviews: Rationale For Concepts In Soil Taxonomy, U.S. Soil Conservation Service
The Guy Smith Interviews: Rationale For Concepts In Soil Taxonomy, U.S. Soil Conservation Service
Natural Resources-Planning, Management, and Conservation
Interviews with Guy D. Smith, former director of the Soil Survey Investigations Division of the Soil Conservation Service and distinguished international soil scientist.
Fungicide Testing, M. J. Barbetti
Fungicide Testing, M. J. Barbetti
Experimental Summaries - Plant Research
Fungicidal control of Phoma blackstem disease in medic, 86 KA 11. Medic cultivar susceptibility to Phoma blackstem disease, 85 KA 56. Role of Phoma seed infection in medic, 85 KA 57. Effect of soil pasteurization on damage caused by six fungal root pathogens, 86 PE 53. Susceptibility of 18 sub-clover cultivars to isolates of the clover scorch fungus, Kabatiella caulivora, 86 PE 54. Effect of plant age or growth stage of subterranean clover on susceptibility to infection by the clover scorch fungus, Kabatiella caulivora, 86 PE 55. Susceptibility of rapeseed lines to blackleg crown canker, 86 MT 1, 86 MT …
Root Diseases Of Cereals., G. C. Macnish
Root Diseases Of Cereals., G. C. Macnish
Experimental Summaries - Plant Research
Take-all Effects of nitrogen source on take-all 82N34, 77E4. Take-all and rates of PP450 and Bayleton 86MT40. Take-all and control by lupins 86MT6. Take-all and field inoculation rates, 86MT58. Take-all and fumigation, 86MT57. Rhizoctonia root rot Rhizoctonia patch and soil compaction, 86E39. Rhizoctonia patch and short chemical fallow, 86E40. Rhizoctonia root rot and Glean, 86E42. Rhizoctonia strains-and paddock history, 86E31. Rhizoctonia root rot - host effects on strains, 86BA38, 85E28, 86E30.
Lupin Root Rot, Lupin Hypocotyl Rot, Rhizoctonia Coleoptile Rot Of Wheat, Rhizoctonia Root Rots In Long Term Wheat-Pasture Rotation Trials., M. Sweetingham
Lupin Root Rot, Lupin Hypocotyl Rot, Rhizoctonia Coleoptile Rot Of Wheat, Rhizoctonia Root Rots In Long Term Wheat-Pasture Rotation Trials., M. Sweetingham
Experimental Summaries - Plant Research
Lupin Root Rot: 86Cl4, 86WH15, 86ME85, 86LG63, 85C63, 86WH14. Lupin Hypocotyl rot, 86BA49, 86BA21. Rhizoctonia coleoptile rot of wheat, 86BA19, 86BA20 Rhizoctonia root rots in long term wheat-pasture rotation trials.
Root And Foliar Diseases Of Wheat On Sandplain In The Geraldton Region., J. Wilson
Root And Foliar Diseases Of Wheat On Sandplain In The Geraldton Region., J. Wilson
Experimental Summaries - Plant Research
Leaf disease trial, 86C69. Drench trial, 86C70. Fumigation trial, 86C71. Three springs trial, 86TS31. Soil transfer trial, 86C98. Wheat leaf disease control trial, 86C99. Water use rotation trial, 86C63. Cultivation, naraling (jarvis), 82GE38. Wheat diseases, survey.
Summary Of Rhizobium Experiments., J. G. Howieson
Summary Of Rhizobium Experiments., J. G. Howieson
Experimental Summaries - Plant Research
Rotation trials, 84ME32, 84ME24, 84N18, 84M18, 85KA58. Cross row trials, 85M28. One year trials, 86M41, 86M42. On-going trials, 86M58, 85KA64, 86V3, 86AL. 84WH24.
Rock Phosphates : Fertilisers For Sandy Soils?, J S. Yeates, D. M. Deeley, G. T.B. Cockerton, M. F. Clarke
Rock Phosphates : Fertilisers For Sandy Soils?, J S. Yeates, D. M. Deeley, G. T.B. Cockerton, M. F. Clarke
Journal of the Department of Agriculture, Western Australia, Series 4
Rock phosphates, from which water solubls phosphorus fertilisers such as superphosphate are manufactured, sometimes appear attractive to farmers because of their relatively low cost. But redearch has shown t6hat on most western australian soils they are not economical fertilisers. However, some deep sandy soils of the State's high rainfall area are exeptions. On these soils, rock phosphates compare favourably with superphosphate for plant growth. But how can these deep sands be identified.
This article describes research to define the soil characteristics necessary for rock phosphates and fertilisers containing rock phosphate, such as Coastal superphosphate, to be effective substitutes for superphosphate.
Sources And Times Of N On Wheat, J W. Bowden
Sources And Times Of N On Wheat, J W. Bowden
Experimental Summaries - Plant Research
86M9, Sources and times of N on wheat.
86M3, Rates and times of N and watering treatments on wheat.
86BA42, Times and levels of N on wheat. Residual value of nitrogen sources. Badgingarra and WHRS.
Shire Of Wanneroo : A Study Of Land Resources And Planning Considerations, Department Of Agriculture, Western Australia, M R. Wells, A J. Clarke
Shire Of Wanneroo : A Study Of Land Resources And Planning Considerations, Department Of Agriculture, Western Australia, M R. Wells, A J. Clarke
Resource management technical reports
No abstract provided.
Report On Land Degradation Investigations : Kent River Soil Conservation District, Department Of Agriculture, Western Australia, Ron Colman, D J. Miers
Report On Land Degradation Investigations : Kent River Soil Conservation District, Department Of Agriculture, Western Australia, Ron Colman, D J. Miers
Resource management technical reports
No abstract provided.
Waterspreading And Waterponding In New South Wales And Their Relevance To Western Australia, J A. Quilty
Waterspreading And Waterponding In New South Wales And Their Relevance To Western Australia, J A. Quilty
Resource management technical reports
No abstract provided.
Jandakot Groundwater Scheme Area : A Study Of Land Resources And Planning Considerations, M R. Wells, N L B Richards, A J. Clarke
Jandakot Groundwater Scheme Area : A Study Of Land Resources And Planning Considerations, M R. Wells, N L B Richards, A J. Clarke
Resource management technical reports
No abstract provided.
Study Tour Report Research On Soil Structure And Its Relationship With Cultivation Practices In South East Queensland, C W L Henderson
Study Tour Report Research On Soil Structure And Its Relationship With Cultivation Practices In South East Queensland, C W L Henderson
Resource management technical reports
The aim of the research into the effects of farming practices on soil physical characteristics, and to assessed results and investigative techniques applicable to the Western Australian situation. The report details research projects that were reviewed on the tour, with a short discussion of some of the ideas and results presented.
Serradella Prospects At Esperance, Michael D A Bolland
Serradella Prospects At Esperance, Michael D A Bolland
Journal of the Department of Agriculture, Western Australia, Series 4
Yellow serradells is a promising introduced annual legume suitable for some of Western Australia's well drained sandy acid soils where other pasture legumes failto persist.
In the Esperance area serradella grows siccessfully on some sandy soils more than 0.5 metres deep. I develops deep roots rapidly - up to three times deeper than subterranean clover - and this is probably the main reason for its persistance.
At present only two late maturing, registered serradella cultivars are available to farmers in southern Australia. This article describes research at Esperance to delect earlier flowering cultivars for persistence in areas with less than …
Nebraska Mineral Operations Review, 1985, Ray R. Burchett, Duane A. Eversoll
Nebraska Mineral Operations Review, 1985, Ray R. Burchett, Duane A. Eversoll
Conservation and Survey Division
No abstract provided.
Annual Outflow/Inflow Of Water From Nebraska, 1950-1985, Conservation And Survey Division
Annual Outflow/Inflow Of Water From Nebraska, 1950-1985, Conservation And Survey Division
Conservation and Survey Division
No abstract provided.
Annual Outflow Of Water From Nebraska, 1950-1985, Conservation Survey Division
Annual Outflow Of Water From Nebraska, 1950-1985, Conservation Survey Division
Conservation and Survey Division
No abstract provided.
Use Of Nitrification Inhibitors On Wheat, Lloyd W. Murdock
Use Of Nitrification Inhibitors On Wheat, Lloyd W. Murdock
Soil Science News and Views
Nitrogen is one of the most important inputs 1in wheat production, but sometimes one of the most difficult to manage. Sources of nitrogen commonly used in Kentucky have most or all of their nitrogen in the ammonium (NH+4) form or forms readily converted to NH+4 (anhydrous ammonia 100%, urea 100%, N-solutions 75%, ammonium nitrate 50%), The ammonium form of nitrogen is used by the plant and retained in the soil with little chance 2f loss, In soils with temperatures above 50°F the ammonium is converted to the nitrate (NO3) form of nitrogen. Nitrate …
Characterizing Soil Deformation By Direct Measurement Within The Profile, Randall K. Wood, Larry G. Wells
Characterizing Soil Deformation By Direct Measurement Within The Profile, Randall K. Wood, Larry G. Wells
Biosystems and Agricultural Engineering Faculty Publications
A unique feature of the University of Kentucky soil bin enables deformation to be characterized by studying a cross-sectional soil profile grid pattern. Modular sections of the bin are laterally removed to expose the cross-section after passes of a pneumatic tire.
The measured displacements of the grid points were converted to values of volumetric strain and then compared to soil density as measured by a dual probe gamma-ray density gauge following tests at various soil conditions. Final soil bulk density determinations using the two methods were not statistically different..
Fertilizer Use Changes In The U.S. And Kentucky, Monroe Rasnake, Dan Kirkland
Fertilizer Use Changes In The U.S. And Kentucky, Monroe Rasnake, Dan Kirkland
Soil Science News and Views
The use of inorganic fertilizers for crop production is perhaps the most successful educational program ever attempted by Land-Grant Colleges, the Tennessee Valley Authority and other agencies. Not many producers in the United States or the world will attempt to grow a crop without the use of fertilizers. In fact, some producers over fertilize and in recent years, the educational program has been aimed at teaching producers to limit fertilizer applications to what is actually needed based on soil tests and cropping conditions.
Fall Application Of Fertilizer, Kenneth L. Wells
Fall Application Of Fertilizer, Kenneth L. Wells
Soil Science News and Views
Fall application of fertilizer offers the advantages of (1) getting a job done which can delay early spring planting, (2) being able to get over fields when they are usually drier and less likely to compact, and (3) more often getting a price break from fertilizer dealers. Several crop-related advantages also apply and are discussed below. In terms of nutrients which can be fall applied, phosphate and potash are well adapted, Both these nutrients react strongly enough with soil to resist overwinter leaching. and the requirements for next year's production can safely be applied in the fall. Fall use of …
Specialty Vs. Farm Fertilizers For Turf, A. J. Powell Jr.
Specialty Vs. Farm Fertilizers For Turf, A. J. Powell Jr.
Soil Science News and Views
Professional golf course superintendents, lawn care supervisors and groundskeepers often spend 3-5 times more for a slow release, urea based, speciality fertilizer rather than urea or ammonium nitrate. Most speciality fertilizers contain 1/5 to 1/3 of its total N in insoluble or slow release form. This slow release nitrogen is included to Cll decrease the number of applications necessary (2) reduce burn potential (3) give uniform rather than a flush of growth and (4) increase N efficiency by reducing leaching and volatilization loss.