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Articles 37021 - 37050 of 39787
Full-Text Articles in Physical Sciences and Mathematics
Serradella Line Evaluation — Stage 2, L. Cransberg
Serradella Line Evaluation — Stage 2, L. Cransberg
Experimental Summaries - Plant Research
Trial 85AL55.
Location: South Sterlings
To evaluate 23 promising serradella lines in terms of herbage and seed production and regenerative ability.
Intraspecific Variation In Wheat To Boron Toxicity, M M. Riley
Intraspecific Variation In Wheat To Boron Toxicity, M M. Riley
Experimental Summaries - Plant Research
To investigate the intraspecific variation in tolerance to boron toxicity in a range of wheat varities. 87SG2, 5/4864, 87SG1, 87SG5
Molydenum Seed Dressings On Wheat, M M. Riley
Molydenum Seed Dressings On Wheat, M M. Riley
Experimental Summaries - Plant Research
To compare the relative effectiveness of molybdenum as a seed-dressing to the conventional method of soil application. To examine the uniformity of distribution of different forms of molybdenum dressed onto the seed of wheat by different methods. 87M6
Residual Values Of Different Molybdenum Sources, M M. Riley
Residual Values Of Different Molybdenum Sources, M M. Riley
Experimental Summaries - Plant Research
To examine the declines in effectiveness of different sources of molybdenum. 84Me10
Effect Of Molybdenum On Medic Growth And Nitrogen Fixation, M M. Riley
Effect Of Molybdenum On Medic Growth And Nitrogen Fixation, M M. Riley
Experimental Summaries - Plant Research
1.To examine the responses of medics to the application of molybdenum on an acidic, yellow-brown earth.
2.To compare the relative effectiveness of molybdenum seed-dressed to the conventional method of soil application.
3.To examine the effect of seed-dressing molybdenum on rhizobial nodulation.
87M68
Molybdenum On Lupins, M M. Riley
Molybdenum On Lupins, M M. Riley
Experimental Summaries - Plant Research
1.To examine the responses of lupins to the application of molybdenum to an acidic, yellow sandy earth.
2. To compare the relative effectiveness of molybdenum as a seed-dressing to the conventional method of soil application.
3. To examine the effects of sodium molybdate as a seed-dressing on the effectiveness of rhizobium. 87Me94
Individual Trial Data - Depth Of Lime Incorporation, P J. Dolling
Individual Trial Data - Depth Of Lime Incorporation, P J. Dolling
Experimental Summaries - Plant Research
Trial number 86NA42 Location Wagin
Trial number 86KA60 Location Katanning
Seed Rate And Nitrogen On Wheat, J W. Bowden
Seed Rate And Nitrogen On Wheat, J W. Bowden
Experimental Summaries - Plant Research
Trial 87MO49
Location: Wannamal
To examine the economic choice of nitrogen and seeding rates in a leaching situation with a high yield potential.
To test the nitrogen section of NP-Decide.
To gather data that enables competition for resources to be examined by regarding the crop as a population of individual plants.
Eastern Wheatbelt Nutrition Studies, W Porter, S Carr
Eastern Wheatbelt Nutrition Studies, W Porter, S Carr
Experimental Summaries - Plant Research
To determine the effectiveness of foliar applied phosphate relative to soil applied phosphorus.
To compare the effectiveness of the number of times of application of foliar phosphorus.
87M81, 87ME106
General Comments And Comparative Yields, W Porter, S Carr
General Comments And Comparative Yields, W Porter, S Carr
Experimental Summaries - Plant Research
General comments and comparative yields on all trials.
87ME77, 87ME78, 87ME79, 87ME80 and 87ME81, 87ME82, 87ME83, 87ME84, 87ME85, 8714E88
Effects Of Rates Of Nitrogen On The Copper And Zinc Concentration And Grain Yield Of Wheat Plants Grown On Old Land, R F. Brennan
Effects Of Rates Of Nitrogen On The Copper And Zinc Concentration And Grain Yield Of Wheat Plants Grown On Old Land, R F. Brennan
Experimental Summaries - Plant Research
Trial 87JE21
Location: West River
To examine the possibility of rates of nitrogen inducing copper and zinc deficiency in wheat.
Effect Of Nitrogen Rates On The Copper Concentration, Dry Matter Production And Grain Yield Of Wheat Grown On A Residual Copper Trial., R F. Brennan
Experimental Summaries - Plant Research
Trial 67E8
Location: Esperance Downs Research Station.
The trial was originally designed to measure the residual effectiveness of rates of copper sulphate drilled in 1967.
The Effects Of Rates Of Nitrogen On The Zinc Status And Of Wheat Plants Grown In Newland, R F. Brennan
The Effects Of Rates Of Nitrogen On The Zinc Status And Of Wheat Plants Grown In Newland, R F. Brennan
Experimental Summaries - Plant Research
To measure the effects of DAP and high nitrogen rates on the severity of zinc deficiency of wheat grown on this newland site.
87JE34
Deep Placement Of Manganese For Lupins, R F. Brennan
Deep Placement Of Manganese For Lupins, R F. Brennan
Experimental Summaries - Plant Research
Trial 87E44
Location: Esperance Downs Research Station
To determine the effect of deep placement of manganese and foliar applied manganese on lupin plant tissue levels, split seed incidence and grain yield.
.
Manipulation Of The Soil Seed Reserves Of Bromus Diandrus And B. Rigidus By Enhancing The Breakdown In Seed Dormancy., A H. Cheam
Experimental Summaries - Plant Research
Location: South Perth Field Plots
Previous studies on the seed bank of Bromus diandrus indicated that shallow burial of newly shed seeds enhanced the breakdown in seed dormancy over the summer period. To bury the Bromus seeds one practical approach is to introduce sheep into the paddock.
This study is a repeat of the previous work but included B. rigidus, another species of Bromus, that is commonly ground growing in association with B. diandrus.
Location: South Perth Field Plots.
Preplanting Operations To Enhance The Rate Of Decline Of Doublegee Seeds In The Soil. Postplanting Operations To Enhance The Rate Of Decline Of Doublegee Seeds In The Soil., A H. Cheam
Experimental Summaries - Plant Research
Trial 85C89
Location: Chapman Research Station
To determine the effect of various preplanting operations, including the use of soil compaction, on the rate of decline of doublegee seeds in the soil.
Trial 85C90.
Location: Chapman Research Station.
To determine the effect of soil compaction after crop seeding on the rate of decline of doublegee in the soil.
Matricaria/Globe Chamomile (Pentzia Globifera) Density And Seed Production, J. Dodd
Matricaria/Globe Chamomile (Pentzia Globifera) Density And Seed Production, J. Dodd
Experimental Summaries - Plant Research
Location: Muckinbudin.
Preliminary measurement of plant density and seed production were made in November 1987 at two infested properties near Muckinbudin.
Vermin fence herbicide trials (Established by J. R. Peirce 85ME63, 65, 68, 69, 70)
During assessment of the vermin fence herbicide trials in November 1987, certain plants in the sprayed plots were noted as being undamaged, even by the highest rates of herbicides used.
Radish Control In Lupins - Brodal., D J. Gilbey
Radish Control In Lupins - Brodal., D J. Gilbey
Experimental Summaries - Plant Research
To study the effect of Brodal on lupins and radish.
87GE84, 87TS35, 87MO52, 87NO91, 86MO33.
Brome Grass Control In Wheat, G. S. Gill, R. L. Thomas
Brome Grass Control In Wheat, G. S. Gill, R. L. Thomas
Experimental Summaries - Plant Research
Brome grass control in wheat
87GE29, 87WH9
Competition between wheat and mixtures of brome grass and doublegees.
87GE30
Wild Oat Control With Hoegrass With And Without Oil, R. Madin, J. Buckley
Wild Oat Control With Hoegrass With And Without Oil, R. Madin, J. Buckley
Experimental Summaries - Plant Research
Trial 87NO08
All treatments except Combine + Oil yielded significantly better than the control. Control of wild oats with Grasp was superior to many other treatments and this was reflected in the yield.
Trial 87N009
All treatments yielded significantly better than the control however there was no difference between herbicides, rates of use or additives. The exception being 0.75 L Hoegrass +WA which yielded significantly less than Grasp + oil.
Barley Grass X Nitrogen Interaction., G. S. Gill, R. L. Thomas
Barley Grass X Nitrogen Interaction., G. S. Gill, R. L. Thomas
Experimental Summaries - Plant Research
Barley grass x nitrogen interaction.
87WH12, 87N4.
Barley grass control in wheat.
87N3, 87A3.
Competition between wheat and mixtures of barley grass and doublegees.
87A5.
Crop Establishment, R. Madin, J. Buckley
Crop Establishment, R. Madin, J. Buckley
Experimental Summaries - Plant Research
Trial effect of timing of Roundup CT and Spray.Seed application and cultivation on crop establishment and growth.
87WH53, 87NO85
The general tendency was for yield to decrease as the time to seeding after Spray.Seed application increased.
For trial 87NO85 the site was a 'problem', heavy textured soil where crop emergence problems following glyphosate had been experienced in previous years.
Crop establishment - time of seeding following herbicide application.
87A37
Use of a knockdown herbicide greatly increased yield when compared to the unsprayed treatments. Further work is required to resolve contrasting results.
Tolerance Of Ceral Varieties To Grasp, R. Madin, J. Buckley
Tolerance Of Ceral Varieties To Grasp, R. Madin, J. Buckley
Experimental Summaries - Plant Research
The site remained mostly weed free throughout the season apart from some invasion by crassula spp. between plots. Some site variation was reflected in yield variation between replicates. The effects of Grasp on all varieties of wheat and Schooner barley were evident soon after spraying.
87A34 (2)
Tolerance Of Cereal Varieties To Hoegrass + Oil, R. Madin, J. Buckley
Tolerance Of Cereal Varieties To Hoegrass + Oil, R. Madin, J. Buckley
Experimental Summaries - Plant Research
Almost invariably, Hoegrass applied to wheat and barley varieties reduced crop vigour assessed ten weeks after spraying.
87A34(1)
Rates Of Ally And Glean For Cape Tulip Control., R. Madin, J. Buckley
Rates Of Ally And Glean For Cape Tulip Control., R. Madin, J. Buckley
Experimental Summaries - Plant Research
Evaluation in 1987 indicated that Ally and Glean at all rates gave 100% control of Cape Tulip at York with minimal pasture affect on species other than clover.
87NO110, 87NO110(1), 87NO110(2), 87NO110(3)
Evaluation Of Additives With Bracken Herbicides Applied To Boomsprayer., R. Madin, J. Buckley
Evaluation Of Additives With Bracken Herbicides Applied To Boomsprayer., R. Madin, J. Buckley
Experimental Summaries - Plant Research
Treatments were applied in December 1987. Height of the Bracken made application by boom difficult due to inability to adequately raise the boom to give clearance. Some brushing of the Bracken with the boom was unavoidable. Assessment of the trial will be made in March 1988.
The Demography Of Doublegee. Ecological Studies On Arum Lily., F. D. Panetta
The Demography Of Doublegee. Ecological Studies On Arum Lily., F. D. Panetta
Experimental Summaries - Plant Research
3.1 Growth of doublegees under summer irrigation. (87A40)
The weevil, Perapion antiquum is a potential biological control agent of doublegee. However, it exhibits large population crashes during the summer months in the summer-dry areas of the Western Caped of South Africa, where it is native. It has been suggested that one means of successfully establishing Perapion in Western Australia could be to maintain populations in 'oases' over the summer months. The aim of this experiment was to determine how readily doublegee could be maintained in a non-senescent phase under irrigated and shaded conditions.
3.2 Doublegee demography in cereal crops (87GE30) …
Effect Of Different Chemical Treatments On Capeweed Control And Crop Yield., J. R. Peirce, B. J. Rayner
Effect Of Different Chemical Treatments On Capeweed Control And Crop Yield., J. R. Peirce, B. J. Rayner
Experimental Summaries - Plant Research
Trial 87WH60
Control of capweed was obtained using post-emergence in-crop herbicides. Good control was on most of the treatments applied before seeding.
Most products showed good ryegrass control are not usually effective, assume some other factor operating. Treatment usually associated with good ryegrass control have higher ryegrass densities than the treatments using herbicides with only broadleaved variety.
Although large reductions in density of silvergrass were obtained none was significantly better than the unsprayed. Some treatments particularly those favouring grass dominance allowed silvergrass density to build up.
Bromegrass appears to be very sensitive to competition from capeweed. Where there was high …
The Ecology Of Skeleton Weed In Western Australia. Survival And Reproduction Of Wild Radish Populations, F. D. Panetta
The Ecology Of Skeleton Weed In Western Australia. Survival And Reproduction Of Wild Radish Populations, F. D. Panetta
Experimental Summaries - Plant Research
1.1 Skeleton weed demographic studies (84BA17)
To determine potential growth rates of skeleton weed populations on contrasting soil types.
2.1 Wild radish demography in lupin crops (87GE86) - the results are missing in the report please see in supplementary content
Control Of Capeweed Prior To Sowing Crop., J. R. Pierce, B. J. Rayner
Control Of Capeweed Prior To Sowing Crop., J. R. Pierce, B. J. Rayner
Experimental Summaries - Plant Research
All treatments gave significant yield benefits over the untreated. Mixtures containing diuron did not cause any significant crop damage although yields on three of the treatments using 1.5 L/ha were low despite the good weed control.
87WH59