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Articles 10381 - 10410 of 11182
Full-Text Articles in Physical Sciences and Mathematics
Crop Oils And Herbicides, Crop Establishments, Weed Control,, Isoproturon Evaluation, Radish Control, Topping Trial 1985 Report., R Madin, A Lindsay
Crop Oils And Herbicides, Crop Establishments, Weed Control,, Isoproturon Evaluation, Radish Control, Topping Trial 1985 Report., R Madin, A Lindsay
Experimental Summaries - Plant Research
Grass control with Hoegrass plus oil (Rates of Hoegrass + oil). TRIAL 1. 86 NO 121. Grass and broadleaf weed control with herbicides and oil, 86 MO 51. Grass control with Fusilade and crop oil (Lupins) 86 NO 120. Grass control with Fusilade and crop oil (Lupins), 86 KA 89. Grass control with Hoegrass, Fusilade and crop oil (Serena medic) 86 MO 44. Hoegrass and Oil Tolerance, 86 NO 124. Hoegrass Rates x Oils for Wild Oats Control in Wheat, 86 NO 118. The effect of timing of Roundup CT and Sprayseed application and cultivation on crop establishment and growth, …
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,
Biological Control Of Parkinsonia, W M. Woods
Biological Control Of Parkinsonia, W M. Woods
Journal of the Department of Agriculture, Western Australia, Series 4
One of the most troublesome weeds in northern Australia'a lastoral country is Parkinsonia aculeata, commonly called Parkinsonia, Jerusalem Thorn, Palo Verde or Retama. In 983 Western Australia, ueensland and the Northern Territory started a joint biological control programme against this perst by sending the author overseas to search for its natural predators in southern USA, Mexico and Central America. A few insects show promise and one, a bruchid beetle Mimosetes ulkei, is being tested under Quarantine in Queensland.
Wheat Growth On Saline Waterlogged Soils, E G. Barrett-Lennard
Wheat Growth On Saline Waterlogged Soils, E G. Barrett-Lennard
Journal of the Department of Agriculture, Western Australia, Series 4
Studies of the growth of plants on salt-affected soils have focused maily on the effects of salt. However, many salt-affected soils are also subject to waterlogging. Glasshouse experiments conducted by the Department of Agriculture have shown that although wheat growth is not greatly reduced by low levels of salt under well drained conditions, under waterlogged conditions such levels of salt can have a severe effect.
Row Spacing And Cereal Crop Yield, R N. Burch, M. W. Perry
Row Spacing And Cereal Crop Yield, R N. Burch, M. W. Perry
Journal of the Department of Agriculture, Western Australia, Series 4
Cereal growers in western Australia have, traditionally, burned cereal stubbles. Burning stubble residues reduces weed seed populations and fungal pathogens, but its main purpose has been to eliminate straw which might cause blockages od seeding machinery and por see-bed preparation in the time critical seeding operation.
In 982, the Department of Agriculture began a project to determine whether wider spaced rows also depressed cereal yields in Western Australia. This article summarises some of the important results from that work.
Agricultural Progress On The Ord, D A. Mcghie
Agricultural Progress On The Ord, D A. Mcghie
Journal of the Department of Agriculture, Western Australia, Series 4
This is the first of occasional articles describing the experimental and commercial activity on the Ord River Irrigation Area (ORIA) in Western Australia's Kimberley region.
Against a background of extensive recources of land and water, a sometimes cimatic advantage and a complementary disadvantage of a remote location, agriculture on the Ord has swung from various monocultures to a broadly based and diversified production. In 1986, the value of agricultural production on the Ord will approach values equivalent to those of the cotton era for the first time since the demise of that industry 12 years ago.
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 …
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.
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.
Grazing And Management Of Saltland Shrubs, C V. Malcolm, J. E. Pol
Grazing And Management Of Saltland Shrubs, C V. Malcolm, J. E. Pol
Journal of the Department of Agriculture, Western Australia, Series 4
areas of bare saltland on farms need not be unproductive etesores. Many Western Australian farmers are now successfully growing salt-tolerant or halophytic shrubs such as bluebush (Maireana brevifolia), saltbushes (Atriplex spp.) and samphires (Halosarcia spp.) on these areas.
Department of agriculture trials and farmers' experience indicate that if saltland is planted with recommended shrubs, it can provide two months' valuable grazing for sheep during autumn and early winter, a time when paddock feed is scarce. Research by the Department has also identified a range of salt-tolerant shrubs suited to the various types of saltland.
Grazing trials to …
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.
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 …
The Prairie Naturalist Volume 17, No. 4. December 1985
The Prairie Naturalist Volume 17, No. 4. December 1985
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
MOVEMENTS AND HABITAT USE OF MALE RUFFED GROUSE IN THE TURTLE MOUNTAINS, NORTH DAKOTA ▪ E. L. Bakke and J. W. Schulz
THE BIRDS OF KONZA PRAIRIE RESEARCH NATURAL AREA, KANSAS ▪ J. L. Zimmerman
VASCULAR FLORA OF RANSOM, RICHLAND, AND SARGENT COUNTIES, NORTH DAKOTA ▪ G. J. Seder and W. T. Barker
NORTH DAKOTA FLEAS. IX. SIPHONAPTERANS OF MAMMALS IN SOUTHWESTERN NORTH DAKOTA ▪ O. R. Larson, M. G. McKenna, and N. R. Fellows
NOTES
Breakup and Sibling Dispersal of Two …
The Prairie Naturalist Volume 17, No. 3. September 1985
The Prairie Naturalist Volume 17, No. 3. September 1985
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
EFFECTS OF FIRE ON NUTRIENT AND ENERGY CONCENTRATION OF FIVE PRAIRIE GRASS SPECIES ▪ K. M. Ohr and T. B. Bragg
FOOD HABITS OF JUVENILE GIZZARD SHAD IN OPEN-WATER AND NEAR-SHORE HABITATS OF MELVERN RESERVOIR, KANSAS ▪ B. L. Todd and D. W. Willis
CHANGES IN BREEDING BLACKBIRD NUMBERS IN NORTH DAKOTA FROM 1967 TO 1981–82 ▪ J. F. Besser
RARE ANIMALS AND PLANTS OF SOUTH DAKOTA ▪ W. C. Houtcooper, D. J. Ode, J. A. Pearson, and G. M. Vandel III …
The Prairie Naturalist Volume 17, No. 2. June 1985
The Prairie Naturalist Volume 17, No. 2. June 1985
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
A CHECKLIST OF TEXAS ANTS ▪ G. C. Wheeler and J. Wheeler
HABITAT SELECTION BY SMALL MAMMALS OF THE TALL-GRASS PRAIRIE: EXPERIMENTAL PATCH CHOICE ▪ S. K. Peterson, G. A. Kaufman, and D. W. Kaufman
CORN CONSUMPTION BY WINTERING MALLARDS DURING MORNING FIELD-FLIGHTS ▪ R. J. Whyte and E. G. Bolen
CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA - 1984 ▪ R. N. Randall
MOUNTAIN PLOVER FOOD ITEMS ON AND ADJACENT TO A PRAIRIE DOG TOWN ▪ S. L. Olson
ECOLOGICAL DISTURBANCE IN …
Communication Networks And The Adoption Of Three Farn Practices, P. W. Fry, F. K. Goss
Communication Networks And The Adoption Of Three Farn Practices, P. W. Fry, F. K. Goss
All other publications
The report commences with a discussion of the diffusion and adoption model, and illustrates some of the research observations and practical outcomes that have emerged in recent years, An overview of social network research is presented as a means of understanding communication exchanges and providing data relevant to the diffusion debate. The communication and adoption studies are then reported in three separate sections in the order they were conducted. (A map of the location of the survey areas is shown in Figure I ) . The objectives, survey method, results and a summary are presented for each study.
A background …
The Prairie Naturalist Volume 17, No. 1. March 1985
The Prairie Naturalist Volume 17, No. 1. March 1985
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
COMMUNITY ANALYSIS OF THE FOREST VEGETATION IN THE LOWER PLATTE RIVER VALLEY, EASTERN NEBRASKA ▪ S. J. Rothenberger
RECOLONIZATION OF A BURNED PRAIRIE BY MEADOW VOLES (Microtus pennsylvanicus) ▪ P. L. Vacanti and K. N. Geluso
AMERICAN COOT HABITAT IN NORTH DAKOTA ▪ H. A. Kantrud
OBSERVATIONS ON PRAIRIE DOG DISPERSAL IN MONTANA ▪ C. J. Knowles
WINTER FOOD HABITS OF THE SWIFT FOX ON THE CENTRAL HIGH PLAINS ▪ D. M. Zumbaugh and J. R. Choate
BOOK REVIEW
Ground …
Marketing Programs And Strategies, J. Kenneth Evans
Marketing Programs And Strategies, J. Kenneth Evans
Kentucky Alfalfa and Stored Forage Conference
Hay has never been widely perceived as a cash crop, therefore, it has historically accounted for a very small part of the total cash sales by farmers. It has been estimated that more than 90% of all hay baled in the state is retained on the producing farms. Most of that which is sold is transported very short distances and of course if one farmer in a community has a good hay year, all do. Organized marketing efforts have been minimal in both scope and successes. In 1978, efforts were initiated toward a more organized system of marketing Kentucky hay. …
The Economics Of Stand Life In The Production Of Alfalfa, W. Donald Shurley
The Economics Of Stand Life In The Production Of Alfalfa, W. Donald Shurley
Kentucky Alfalfa and Stored Forage Conference
Alfalfa is a crop which once established, can provide production of hay for several years thereafter. The productive years of the established crop are often referred to as the stand life. The life of an alfalfa stand is variable depending on many factors including variety grown, soil, weather conditions during the production period, insect and weed pressures, and of course the management skills of the producer in timely harvesting and other production jobs.
Alfalfa In Livestock Feeding Programs, Gary T. Lane
Alfalfa In Livestock Feeding Programs, Gary T. Lane
Kentucky Alfalfa and Stored Forage Conference
A magazine article entitled "Bidders Paid More For Quality at Wisconsin Hay Auction" caught my attention. Did they really pay more money for higher quality. I could not help but think of some hay sales which I have witnessed. One dollar per bale, large bales, small round bales, sixty dollars per ton, and $275 per ton are all some quotes I have heard recently in connection with hay purchases. Not much is said about quality. We may hear relative terms such as good, not much grass, cut early, not rained on or others but not much about nutrient content or …
Grazing Alfalfa, Charles T. Dougherty
Grazing Alfalfa, Charles T. Dougherty
Kentucky Alfalfa and Stored Forage Conference
Alfalfa (Medicaao sativa) is a native of an area south of the Black and Caspian seas and it still grows wild in Iran and eastern Anatolia. Alfalfa was the chosen forage for the fighting horses of ancient armies as long ago as 1800 B.C. when the Kassites conquered Babylon. The spread of alfalfa followed the pathway of armies through the Mediterranean, Europe, and the New World. For ages before man used alfalfa to fuel his fighting animals natural selection processes worked on the evolution of alfalfa and its predecessors. A scenario which would account for the morphology and …
Chemical Preservation Of Alfalfa Hay, Dan O. Riddell
Chemical Preservation Of Alfalfa Hay, Dan O. Riddell
Kentucky Alfalfa and Stored Forage Conference
Kentucky farmers harvest about 3 million tons of hay annually. In order to minimize dry matter losses and quality deterioration, hay should be baled with about 20% moisture. Unfortunately, adequate time required to field-dry hay to 20% moisture is often not available due to weather conditions. This is especially true for the first cutting of alfalfa in the spring. Many farmers are forced to choose between letting cut hay get rained on or baling hay wetter than is recommended. Hay baled with more than 20-25% moisture generally becomes moldy and undergoes a heating process which makes part of the protein …
Biological Control Of Alfalfa Insect Pests, Chris M. Christensen
Biological Control Of Alfalfa Insect Pests, Chris M. Christensen
Kentucky Alfalfa and Stored Forage Conference
Alfalfa is a succulent plant that obviously is good feed for large herbivores such as cattle and horses. Therefore, it should not be surprising that a large number of small herbivores such as insects also find this plant delicious. Fortunately, most of these insects are not major pests. However, we do have a couple pest insects that annually attack this valuable crop and often cause economic damage.
Controlling insect pests is expensive and time consuming. However, not controlling them can be disastrous to the profit margin of the alfalfa producer. Entomologists who work on the insect pests of alfalfa have …
Weed Control In Alfalfa — Present & Future, Charles H. Slack
Weed Control In Alfalfa — Present & Future, Charles H. Slack
Kentucky Alfalfa and Stored Forage Conference
To achieve maximum alfalfa production and maintain excellent stands and forage quality for a number of years, producers need to start including weed control in their management program. Unfortunately good stands are not being established because of early weed competition where herbicides are not used. Alfalfa stands tend to play out before achieving their maximum number of years of production unless maintenance herbicides are used. Fortunately there are now herbicides registered to meet most every phase of alfalfa production.
This paper will deal primarily with the herbicides that are currently labeled for use on alfalfa. Several herbicides that are not …