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Articles 91 - 120 of 236
Full-Text Articles in Entire DC Network
Establishing Warm-Season Grasses And Forbs Using Herbicides And Mowing, Thomas B. Bragg, David M. Sutherland
Establishing Warm-Season Grasses And Forbs Using Herbicides And Mowing, Thomas B. Bragg, David M. Sutherland
Biology Faculty Proceedings & Presentations
The objective of this study was to provide a preliminary assessment of the use of selected herbicides in establishing a diverse stand of prairie grasses and forbs. An upland and a lowland site in eastern Nebraska, consisting of well-drained, fine-silty clay, loess-derived soils, were seeded with 23 native prairie grass and forb species and subsequently mowed or treated at rates of 0.6, 1.1, 1.7, and 2.2 kg/ha with atrazine [6-chloro-Nethyl- N' -(l-methylethyl)-l ,3,S-triazine-2,4-diamine] or 2,4-0 (2,4-dichlorophenoxyacetic acid). Treatments were applied at one and two-year intervals. Canopy cover in unreplicated treatment areas (12 x 30 m) was evaluated in ten randomly …
Melamine/Urea And Oxamide Fertilization Of Kentucky Bluegrass, David J. Wehner, Dennis L. Martin
Melamine/Urea And Oxamide Fertilization Of Kentucky Bluegrass, David J. Wehner, Dennis L. Martin
Office of the Dean (CAFES) Scholarship
The commercial lawn care industry represents a large market for N sources. A formulated melamine (2,4,6-triamino-s-triazine) plus urea combination (MLU) (45% melamine by weight) and oxamide were evaluated for use by the lawn care industry by comparing turfgrass response from these fertilizers to that from urea, sulfur coated urea (SCU), ureaformaldehyde (Nitroform), and a non-fertilized check. Fertilizers were applied four times per year to field plots of Kentucky bluegrass (Poa pratensis L.) growing on a Flanagan silt loam (fine, montmorillonitic, mesic Aquic Argiudoll) at a rate of 49 kg N ha-1 per application. Color ratings and clipping weights …
Soil Science Research Report - 1989
Soil Science Research Report - 1989
Soil Science Research Reports
Tillage Experiments
Increasing Nitrogen Use Efficiency by Dryland Sorghum Under Conventional and No-tillage Systems ............ 1
The Effect of Phosphorus Rate, Method of Application, and Tillage on Soybean Yield in Nebraska ............ 6
Tillage, Rotation and N Rate Effects on Dryland Com Production and Nitrogen Uptake in Northeastern Nebraska ............ 15
Fertilizer
Effect of Lime Application on Soil pH and Com Yield in Holt County ............ 22
Evaluation of the Influence of Starter Fertilizer on Com and Grain Sorghum, 1989 ............ 24
Fertilizer P Distribution and Wheat Yield ............ 26
Field Evaluation to Determine Best Fluid Starter Fertilizer for Com …
The Development Of An Efficient Lupin Harvesting Front, E D. Blanchard
The Development Of An Efficient Lupin Harvesting Front, E D. Blanchard
Journal of the Department of Agriculture, Western Australia, Series 4
Harvest losses represent a significant reduction in lupin production and farm productivity.
Since 1984, the Department's Farm Machinery Research and Liaison Unit at the Dryland Research Institute has studied the lupin harvesting operation to improve its mechanical efficiency. An experimental and a prototype harvesting front were built and tested in the field. Guidlines for efficient lupin harvesting were produced, and commercial modifications developed.
Interaction Of Rhizoctonia Root Rot On Wheat With Post Emergence Herbicides, W Macleod
Interaction Of Rhizoctonia Root Rot On Wheat With Post Emergence Herbicides, W Macleod
Experimental Summaries - Plant Research
Interaction of Rhizoctonia root rot on wheat with post emergence herbicides, 88E30. Location, aim, treatment, method, results, table1. Take-all inoculum levels in a ryegrass sward after treatment with hoegrass. 88MD30. Location, aim, treatment, method, results, Interaction of Pleiochaeta root rot on lupins with Simazine®, 88ME64, 88WH335, 88ME64. Location, aim, treatment, method, results, tables 1 to 8.
Tolerance Of Lupins To Simazine, K E. Oliver
Tolerance Of Lupins To Simazine, K E. Oliver
Experimental Summaries - Plant Research
Tolerance of lupins to triazine herbicides, 89GL21, 89GL24. Application of atrazine post emergence of the soil, 89GL22, 89GL25. Application of atrazine post emergence to the foliage, 89GL23, 89GL26. Trials with mutated lupin population, 89WH72, 89MC32.
Long-Term Rotation Trials., I Rowland, W Hawkins
Long-Term Rotation Trials., I Rowland, W Hawkins
Experimental Summaries - Plant Research
Paddock 5AE on Merredin research station, 66M29, 67C13, 67N4, 68E5, 68SG5, 73SG16, 88EB2.
Serradella Variety Evaluation., C. K. Revell
Serradella Variety Evaluation., C. K. Revell
Experimental Summaries - Plant Research
Trial 89ME83, 89ME84, 88ME88 and 87M62
Serradella variety trial.
Korbelka, Mukinbudin, Woolocutty, South Carrabin annexe.
Trial 88ME89
Serradella/Grass mixtures for acidic sandplain soils.
North Bodallin.
Trial 87M92
Management of Serradella pastures.
South Carrabin annexe.
Trial 87M64
Establishing Serradella under a cereal crop.
South Carrabin annexe.
Rotational Experiments., C. K. Revell
Rotational Experiments., C. K. Revell
Experimental Summaries - Plant Research
Trial 82M47
a. Subterranean clover.
Subterranean clover rotation trial
Merredin Research Station.
Trial 88ME83
b. Santiago burr medic
Rotational systems for burr medic
Merredin.
Trial 89N29
Rotational systems for burr medic.
Newdegate Research Station.
Replicated Single Row Evaluation., C. M. Saunders
Replicated Single Row Evaluation., C. M. Saunders
Experimental Summaries - Plant Research
Trial 89AB12
Great Southern Agricultural Institute - Paddock B15
This trial was of similar design to the single row evaluation, except four replications and pesticide treatments were also included.
However the trial had to be abandoned due to severe phytotoxic responses seen in the medics due to repeated spraying of 'Lorsban' (used at recommended rates).
Intended to repeat this work in 1990, bulk seed where possible and to eventually assess these lines, under such conditions, in large plots.
Pasture Deterioration Trial, J. W. Bowden, R. J. Lunt
Pasture Deterioration Trial, J. W. Bowden, R. J. Lunt
Experimental Summaries - Plant Research
Trial 89NA61
Location: Duranillin
In this site we would expect a very large response (40 to 50% ) to phosphorus.
History:
The site was chosen because of the patchy and poor pasture production. The poor areas tend to have more suckling clover than the good areas. The pasture was legume dominant.
Treatments were applied on April 16, 1989.
Historical Biogeography: Geography As Evolution, Evolution As Geography, Charles H. Smith
Historical Biogeography: Geography As Evolution, Evolution As Geography, Charles H. Smith
DLPS Faculty Publications
Despite a number of advances in recent years, biogeography remains a field with a poorly developed philosophical core. As a result, its historical and ecological sides remain as isolated from one another as ever. In this essay I argue that a more unified approach to biogeographic studies will become possible only when workers realise that it is necessary to reject absolute space, "geography as handmaiden" approaches to distribution problems in favour of structuralist models compatible with both probabilistic spatial interaction and deterministic phylogenetic kinds of thinking. Pros and cons of regionalist, vicariance, and panbiogeographic approaches are weighed in this regard; …
Diseases Caused By Nematodes., J M. Stanton
Diseases Caused By Nematodes., J M. Stanton
Experimental Summaries - Plant Research
Annual ryegrass toxicity roadside survey, 88PE99.
Location, aim, methods, sampled, results, comments.
Effect of benzimidazoles on ARGT, 88NA75
Location, aim, treatments, methods, results, table one.
Relationships between organisms involved in ARGT, 88KA103.
Location, aim, methods, results, comments, table two.
Sampling patterns for ARGT diagnosis, 88KA102.
Location, aim, methods, results, comments, table four.
Distribution of cereal cyst nematode, 88PE20.
Location, aim, methods, results, comments.
Hatching pattern of cereal cyst nematode, 88NO71, 88GE30.
Location, aim, methods, results, comments.
Sowing date and cereal cyst nematode, 88NO70.
Location, aim, treatments, methods, results, table three, figure one and two.
Tolerance Of Cereal Varieties To Herbicides, David Bowran, Neil Thomson
Tolerance Of Cereal Varieties To Herbicides, David Bowran, Neil Thomson
Experimental Summaries - Plant Research
Tolerance of current cereal varieties to new herbicides, 89EC21, 89N27, 89SC15. Tolerance of new cereal varieties to current herbicides, 89EB19, 89EC20, 89N28, 89SC16. Tolerance of wheat varieties to Metribuzin and Pendimethalin, 89EC22, 89WH58. Tolerance of wheat to herbicide tank mixes for grass and broadleaf weed control in cereals, 89WH86. Grasp efficacy and tolerance, 89C22, 89GE93. Tolerance of field peas to herbicides, 89KA64, 89M56. Tolerance of pasture legume varieties to herbicides, 89KA76. Crop establishment using residual herbicides for weed control, 89NA66.
Herbicide Residues, T Piper
Herbicide Residues, T Piper
Experimental Summaries - Plant Research
Pea growth following Sulphonyl urea herbicide, 88SG28, 88SG29. Medic regeneration following Sulphonyl urea herbicide, 88SG30, 88SG31, 88LG68, 88LG69, 88LG70.
The Biology Of Skeleton Weed In Western Australia, J Dodd
The Biology Of Skeleton Weed In Western Australia, J Dodd
Experimental Summaries - Plant Research
Effects of height of cutting on the rate of stem regrowth, 89ME116. Response of Gorteria to grazing, 88PE28. Biology of P. globifera in stubble paddocks, 89ME75, 89ME76. Comparative phenology of P. globifera suffruticosa, 89ME77. Establishment and spread of the leaf mining moth, Dialectica scalariella. 89PE8. Intensive monitoring of the leaf mining moth and Patersons curse at Muresk, 89NO65 - 89NO670.
Weed Control In Lupins With Simazine Topping Up, D J. Gilbey, R Klemm, B Roberts
Weed Control In Lupins With Simazine Topping Up, D J. Gilbey, R Klemm, B Roberts
Experimental Summaries - Plant Research
Weed control in Lupins with simazine “topping up”, 89GE62, 89TS40, 89NO59. Doublegee control in Lupins with Brodal plus simazine, 89GE63, 89TS41, 89NO60. Post emergence doublegee control in lupins, 89NO92, 89MO65. Doublegee control in peas, pre-emergence, 89TS47, 89MO38, 89M38, 89NO63. Doublegee control in peas, post-emergence, 89TS48, 89MO39, 89ME87, 89NO64.
Factors Affecting Lupin Crop Establishment In The Northern Agricultural Region Of Western Australia., K W. Mccarthy, A M. Doswell, R J. Delane, M W. Sweetingham
Factors Affecting Lupin Crop Establishment In The Northern Agricultural Region Of Western Australia., K W. Mccarthy, A M. Doswell, R J. Delane, M W. Sweetingham
Experimental Summaries - Plant Research
Lupin establishment, 89EC6. The effect of machine, depth of sowing, seed soil contact and herbicide incorporation on lupin establishment, 89GE8. The effect of phosphate application on lupin establishment, 89GE99. The effect of seeding technique, depth of sowing, seed soil contact and fungicide on lupin establishment on course sands, 89GE9. Integrated control strategy of Rhizoctonia hypocotyl root rot of lupins, 89GE11, 89GE12, 89GE12B, 89GE13, 89GE14. Strategies for lupin patch control, 89EC7 and 89GE15. The effect of seed size and sowing rate on lupin establishment, 89C1, 89GE6, 89GE7, 89EC5, 89BA34, 89TS49, 89GE10, 89EC4, 89GE4,
Canola Rapeseed, Rapeseed, Tillage., J D. Warren, R Tugwell, S Wiley
Canola Rapeseed, Rapeseed, Tillage., J D. Warren, R Tugwell, S Wiley
Experimental Summaries - Plant Research
Canola rapeseed. Assessment of early maturity Stage 2, lines. 89AB5, 89N38, 89EB31. Early maturity triazine resistance. 89AB6, 89N39, 89EB32. Stage 1 early maturity selections, 89AB8. Stage 2 Late maturity, 89MT43. Late maturity triazine resistance, 89MT44. Blackleg race trial, 89MT47. Interstate variety trials, 89MT45, 89ka70.
Lupin Agronomy For The South Coast, Mark Seymour
Lupin Agronomy For The South Coast, Mark Seymour
Experimental Summaries - Plant Research
Time of sowing x variety. Trials, 89E15, 89ES11, 89E42. Time of sowing x variety. Trials, 89E16, 89ES12. Seed rate x variety, trials 89ES8, 89ES9, 89ES10, 89JE2, 89JE3, 89AL7. Starter nitrogen, trials 89E20. Aphid control, trial 89E14. Deep placement of manganese and phosphorus, trials 89E43, 89E17.
Systems For Early Sowing Of Wheat In Low Rainfall Zones., N J. Kerr
Systems For Early Sowing Of Wheat In Low Rainfall Zones., N J. Kerr
Experimental Summaries - Plant Research
Background and early significance. Effect of sowing date and nitrogen fertilizer on wheat varieties in low rainfall areas, 89GE76, 89GE77, 89NM1, 89GE78, 89NM2, 89NM3, 89GE78. Tillage and sowing methods for early sowing of wheat in low rainfall areas, 89GE79. Aims, Background, Experimental details.
Medic Variety Evaluation., C. K. Revell
Medic Variety Evaluation., C. K. Revell
Experimental Summaries - Plant Research
Trial 89M57
Medic variety evaluation - rows.
Merredin Research Station (Paddock T5)
Trial 89ME71
Selection of early maturing M. murex.
Nokaning.
Trial 88ME86
Evaluation of Santiago in low rainfall areas.
Mukinbudin.
Trial 87M73
Medic variety evaluation - large plots.
Merredin Research Station.
Trial 86M65
M. polymorpha variety evaluation - large plots.
Merredin Research Station.
Trial 88ME84
Evaluation of burr medics on Morrel soils.
Nokaning.
Trial 88SC30
Selection of early maturing M. murex.
Merredin.
Pasture Species Investigations., D. A. Nicholas
Pasture Species Investigations., D. A. Nicholas
Experimental Summaries - Plant Research
Trial 87WH50, 87NA77, 87KA39
Location: Wongan Hills, Kulin, Nyabing
Selection of subclover cultivars - early maturing.
To select in the field subterranean clover cultivars of early maturity having superior persistence and productivity.
Pasture Species Investigations, D. A. Nicholas
Pasture Species Investigations, D. A. Nicholas
Experimental Summaries - Plant Research
Trial 87MO48, 87A25, 89846B, 87E33, 87KA40
Selection of sub. clover cultivars - early mid.
To select in the field subterranean clover cultivars of early to midseason maturity having superior persistence and productivity.
Koojan.
Avondale Research Station Paddock 9D.
Esperance Downs Research Station Paddock CW1.
Ryan's Brook.
Selection And Evaluation Of Medic Lines With Resistance To Aphids And Improved Agronomic Characteristics., C. M. Saunders
Selection And Evaluation Of Medic Lines With Resistance To Aphids And Improved Agronomic Characteristics., C. M. Saunders
Experimental Summaries - Plant Research
Trial 89KA11
Location: Great Southern Agricultural Institute - Farm Paddock B15
Main objectives of this trial was to evaluate the lines for their resistance to blue-green aphid, redlegged earthmite and lucerne flea. However since the site lacked a substantial infestation of blue-green aphid and lucerne flea, our efforts were concentrated on redlegged earthmite resistance.
Pasture Species Investigations., D. A. Nicholas
Pasture Species Investigations., D. A. Nicholas
Experimental Summaries - Plant Research
Trial 87V7, 87MT52, 87MA31
Selection of subclover cultivars - mid to late maturing.
To select in the field subterranean clover cultivars of mid to late maturity having superior persistence and productivity.
Location: Vasse Research Station, Mount Barker Research Station, Wilgarup.
The Grazing Value Of Medicago Murex., C. M. Saunders
The Grazing Value Of Medicago Murex., C. M. Saunders
Experimental Summaries - Plant Research
Trial 88KA92
Location: Potts Road, East Kojonup.
At present, limited information is available on the grazing value of Medicago murex cv. Zodiac on sheep live weights and wool growth. This trial was designed to provide data on the relative performance of sheep grazing Zodiac compared with the recommended subterranean clovers (Junee/Seaton Park) in the > 450mm rainfall zone in WA.
Cultivar Evaluation On Low Rainfall Heavy Textured Soils., Bradley Nutt
Cultivar Evaluation On Low Rainfall Heavy Textured Soils., Bradley Nutt
Experimental Summaries - Plant Research
a. Trial 88GE34
Cultivar evaluation in machine sown plots.
Location: NMRS
The higher seed yield of Serena compared to the other cultivars resulted in better early forage .production as well a legume dominated pasture.
b. Trial 88TS 63 and 88TS 65
Wheat yields following pastures.
Location: 88TS63 - Perenjori and 88TS65 - Three Springs.
There was no response to nitrogen in either biological yield or grain yield of wheat sown over volunteer based pasture at the Three Springs site. All pasture treatments resulted in similar wheat yields except for Sava because of poor control of the snail medic under the …
Aphid Tolerance Evaluation In Annual Medics., Bradley Nutt
Aphid Tolerance Evaluation In Annual Medics., Bradley Nutt
Experimental Summaries - Plant Research
Trial 89GE61
Location: East Chapman
Out of the 100 lines tested, 30 experimental lines were less affected (in terms of seed yield) by aphid damage than c.v. Parabinga.
Variety Evaluation On Deep Sandplain Soils, Bradley Nutt
Variety Evaluation On Deep Sandplain Soils, Bradley Nutt
Experimental Summaries - Plant Research
a. Trial 88EC17
Small plot evaluation of annual medic species.
Location: East Chapman Research Station.
b. Trial 89E64
Small plot evaluation of annual pasture legumes on deep grey sand.
Location: 'Huntswell' Allanooka.
c. Trial 89GE60
Evaluation of annual medic lines in machine sown plots.
Location: Balla, Tenindewa, Irwin