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Articles 121 - 150 of 356
Full-Text Articles in Life Sciences
Growth And Carcass Traits Of Heifers As Affected By Hormonal Treatment, J. D. Crouse, B. D. Schanbacher, H. R. Cross, S. C. Seideman, S. B. Smith
Growth And Carcass Traits Of Heifers As Affected By Hormonal Treatment, J. D. Crouse, B. D. Schanbacher, H. R. Cross, S. C. Seideman, S. B. Smith
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Seventy-seven tleifers weighing about 200 kg were assigned randomly to 1) intact control (C), 2) ovariectomized (OVX), 3) immunized against estradiol (BSA-E), 4) BSA-E + trenbolone acetate (BSA-E+TBA), 5) TBA or 6) ovx + TBA groups. The objective of the study was to determine the effects of ovariectomy, immunoneutralization of estradiol and trenbolone acetate treatment on growth rate and carcass merit. Heifers were fed a corn-corn silage diet and were slaughtered when treatment groups attained live-animal weights of 433 kg. Observations of rate of growth, efficiency of feed conversion, characteristics of carcasses and characteristics of organoleptic properties of the cooked …
Rhizoctonia Bare Patch Of Cereals And Lupins, G C. Macnish, M W. Sweetingham
Rhizoctonia Bare Patch Of Cereals And Lupins, G C. Macnish, M W. Sweetingham
Experimental Summaries - Plant Research
To determine the stimuli for the formation of rhizoctonia patches in cereals and lupins.
Depth-Controlled Modified Combine For Direct Drilling And Lupin Row Spacing., R. Belford, G Reithmuller
Depth-Controlled Modified Combine For Direct Drilling And Lupin Row Spacing., R. Belford, G Reithmuller
Experimental Summaries - Plant Research
Trial 87WH52, (86M56)
Depth-controlled modified combine for direct drilling.
To compare soil penetration resistance, crop growth, water use, nutrient uptake and root development of wheat 1) sown after scarifying; 2) direct drilled with a combine; 3) direct drilled with the depth-controlled modified combine with loosening ties at 5, 9 or 13 cm; or 4) sown after deep ripping with an Agrowplow to 13 or 30 cm.
Trial 87M82
Location: Merredin Research Station paddock T6 south.
Lupin row spacing
Rapeseed, Tillage., J. D. Warren, Brenda Shackley
Rapeseed, Tillage., J. D. Warren, Brenda Shackley
Experimental Summaries - Plant Research
1. Rapeseed. Assessment of Early Maturing Brassica napus Lines 87KA74, 87LG42, Assessment of Early Flowering Brassica juncea Lines 87KA44, 87E41, 87LG38, 87KA44, 87LG38, Yield Performance of Traizine Resistant Rapeseed 87AL25, 87E40, 87KA42, 87KA42, 87LG37, 87MA32, Assessment of Short Statured B. napus lines 87AL26, 87KA43, 87MA33, Rapeseed Extension: Demonstration Trials 87ERS39, 87JE29, 87KA41, 87NA78. 2. Tillage. The effect of Gypsum, tillage and nitrogen on cereal yields in a continuous crop system 84KA28 The effect of Gypsum, tillage and nitrogen on cereal yields farm system with a medic component 87KA47 Pasture regeneration counts for tillage trials 77MT51, 77M56, 77WH88, 82M35, 85M67A, 86M56.
Evaluation Of New Pasture Legume Species In Terms Of Summer Feeding Value And Effects On Wool Production., S E. Flecker, C W. Thorn, J. B. Rowe, Tess Casson
Evaluation Of New Pasture Legume Species In Terms Of Summer Feeding Value And Effects On Wool Production., S E. Flecker, C W. Thorn, J. B. Rowe, Tess Casson
Experimental Summaries - Plant Research
86KA71, Pasture legumes improve the feeding value of summer pastures in a mediterranean-type environment by maintaining the protein intake of grazing animals over the dry summer period, much of which comes from the ingestion of legume burr (A.D. Wilson and N.L. Hindley, 1968). Some of the most important species of pasture legumes to have been released commercially are Trifolium subterraneum (sub.clover), Medicago truncatula (barrel medic) and Medicago polymorpha (burr medic) (D.B. Purser, G.B. Taylor and W.J. Collins, 1987). What little information is available on the feeding value of these species suggests that barrel medic pod (H. Brownlee, 1973) and dry …
Intraspecific Variation In Barley To Boron Toxicity, M M. Riley
Intraspecific Variation In Barley To Boron Toxicity, M M. Riley
Experimental Summaries - Plant Research
To investigate the intraspecific variation in tolerance to boron toxicity in a range of barley varieties. 87SG1, 4/4864 and 87SG4.
Effect Of Plant Density On Boron Toxicity In Barley, M M. Riley
Effect Of Plant Density On Boron Toxicity In Barley, M M. Riley
Experimental Summaries - Plant Research
To examine the effect of seeding density on the degree of boron toxicity in barley.
87SG7/4864, 87SG6
Effect Of Zinc On Boron Toxicity In Barley, M M. Riley
Effect Of Zinc On Boron Toxicity In Barley, M M. Riley
Experimental Summaries - Plant Research
To examine the suggestion that adding zinc to the soil will lessen the severity of boron toxicity in barley. 87SG6/4864
Trial 65sg5, I Rowland., W Hawkins
Trial 65sg5, I Rowland., W Hawkins
Experimental Summaries - Plant Research
Trial 65SG5. Location - Paddock H5 on Salmon Gum Research Station
Cleared in 1962, then cropped until the start of the trial in 1968. Two of the four blocks were sown to Cyprus Barrel medic which is topdressed with superphosphate. The other two blocks regenerate volunteer pasture which is not topdressed. In 1984 all pasture plots were sown to SERENA medic. This grew exceptionally well in 1984 and set a lot of seed. In 1987 field peas were introduced into 4 reps of an existing medic: crop rotation.
Rates, Times And Sources Of Nitrogen On Wheat, J W. Bowden
Rates, Times And Sources Of Nitrogen On Wheat, J W. Bowden
Experimental Summaries - Plant Research
Trial 87WH51
Location: Wongan Hills Research Station.
This trial was put onto a site adjacent to Mel Mason's source of nitrogen trial and the CSIRO, 15 N plots to provide some explanation of the results from the limited treatments in those trials. They were designed to monitor soil/fertiliser nitrogen transformations with time. Unfortunately the site of this trial was variable. The end most similar to the other trials was deeper and sandier and stored less water than the other and where crop growth was far better.
87WH51
The Effect Of Rates Of Nitrogen On The Copper And Zinc Concentration And Grain Yield Of Wheat Plants, R F. Brennan
The Effect Of Rates Of Nitrogen On The Copper And Zinc Concentration And Grain Yield Of Wheat Plants, R F. Brennan
Experimental Summaries - Plant Research
To examine the possibility of rates of nitrogen inducing copper and zinc deficiency in wheat.
87JE21
Radish Control In Lupins - Comparison Of Options, D J. Gilbey
Radish Control In Lupins - Comparison Of Options, D J. Gilbey
Experimental Summaries - Plant Research
To study the effect of several herbicide options on wild radish and lupins.
87GE82, 87TS34, 87MO54, 87NO87.
Radish Control In Lupins - "Topping Up" With Simazine, D. J. Gilbey
Radish Control In Lupins - "Topping Up" With Simazine, D. J. Gilbey
Experimental Summaries - Plant Research
To study the effect of post-emergence applied Simazine on wild radish and lupins.
87GE83, 87TS36, 87MO53, 87NO90
Isoproturon Evaluation - Timing Of Application On Efficacy And Crop Damage., R. Madin, J. Buckley
Isoproturon Evaluation - Timing Of Application On Efficacy And Crop Damage., R. Madin, J. Buckley
Experimental Summaries - Plant Research
The trial was effectively a tolerance trial. Best overall weed control was achieved with Glean and the higher rates of Isoproturon which in turn gave best control as a pre-plant, incorporated treatment.
87A23, 87WH54
Post Emergence Weed Control In Lupins., R. Madin, J. Buckley
Post Emergence Weed Control In Lupins., R. Madin, J. Buckley
Experimental Summaries - Plant Research
As a general assessment in can be said that Tigrex is a safe and efficient herbicide for control of radish in wheat. Brodal alone was generally unsatisfactory for radish control. While Diuron + Brodal was safe and efficient, Ally and Brodal should not be used together. Diuron + MCPA gave poorer control than one would normally expect.
87WH67
Control Of Peas And Lupins In Wheat, J. R. Peirce, B. J. Rayner
Control Of Peas And Lupins In Wheat, J. R. Peirce, B. J. Rayner
Experimental Summaries - Plant Research
Trial 87A29
Lupins were easier to kill than peas.
Glean applied pre-sowing gave very poor control of both peas and lupins.
The treatment using higher rates of 2,4-D amine in diuron mix also caused lower yields.
The Tordon 242 treatment appeared to cause some yield depression.
Control Of Prickly Saltwort (Salsola Kali) In Pasture., G. Fleay, R. Ramm
Control Of Prickly Saltwort (Salsola Kali) In Pasture., G. Fleay, R. Ramm
Experimental Summaries - Plant Research
Trial 87LG65
Glean post-em @ 10 and 15 g/ha gave good control.
A later trial gave good control with Garlon 4800 or 2,4-D amine when sheep grazed the weed after treatment. Considerable pasture damage would be done with all chemicals during the growing season.
Rapeseed Herbicide Screening Trial., J. H. Moore, G. R. Dean
Rapeseed Herbicide Screening Trial., J. H. Moore, G. R. Dean
Experimental Summaries - Plant Research
Mount Barker Research Station
To determine the efficacy and phytotoxicity of various herbicides for weed control in oilseed rape.
Status Report Of The Fern Woodsia Scopulina In Arkansas, James H. Peck, Carol J. Peck
Status Report Of The Fern Woodsia Scopulina In Arkansas, James H. Peck, Carol J. Peck
Journal of the Arkansas Academy of Science
No abstract provided.
Discovery Of Lycopodium Communities In The Gulf Coastal Plain Region Of Arkansas, James H. Peck, Carol J. Peck, Steve L. Orzell, Edwin Bridges, Carl Amason
Discovery Of Lycopodium Communities In The Gulf Coastal Plain Region Of Arkansas, James H. Peck, Carol J. Peck, Steve L. Orzell, Edwin Bridges, Carl Amason
Journal of the Arkansas Academy of Science
No abstract provided.
Residual Value Of Rock Phosphate Fertilizers, J W. Bowden, Michael D A Bolland
Residual Value Of Rock Phosphate Fertilizers, J W. Bowden, Michael D A Bolland
Technical Bulletins
The residual value of Christmas Island C-grade ore, 500 degrees C heated (calcined) C-grade ore (Calciphos), and superphosphate was measured in three experiments. Plant yield, and bicarbonate-soluble phosphorus extracted from the top 10 cm of soil were used to indicate the effectiveness of the four fertilizers. Using either of these indicators, superphosphate was the most effective fertilizer.
Control Of Cereal Crop Diseases By Manipulation Of Pasture Composition., W Macleod
Control Of Cereal Crop Diseases By Manipulation Of Pasture Composition., W Macleod
Experimental Summaries - Plant Research
Rotation for wheat comparing pure clover ley with a pasture ley, 79E15.
Pasture renovation techniques and crop production in a 1:2 rotation, 81E35.
Pasture manipulation – effects on take all, 85E32.
Timing of spray topping and herbicides, 86MT64, 86E55.
Effect of herbicide application on take all inoculum, 87MD12.
The effects of pre and post sowing herbicides on wheat root diseases.
Herbicide disease interaction in recommended varieties, 87E29, 87MT51.
Evaluation Of Risk Factors Leading To Soil Destabilisation On The South Coastal Sandplain Of Western Australia, R V R Gwynn, P A. Findlater, J R. Edwards
Evaluation Of Risk Factors Leading To Soil Destabilisation On The South Coastal Sandplain Of Western Australia, R V R Gwynn, P A. Findlater, J R. Edwards
Resource management technical reports
The problems of wind erosion in part of the south coast of Western Australian sandplain area were described previously (Gorddard et al, 1981) with 7.3 per cent of cleared and 18.3 per cent of the cropped area showing evidence of sand blasting. Department of Agriculture trials have shown that the loss of the top four millimetres of top soil from pastured paddocks can reduce following crop yields by up to 20 per cent (Marsh and Carter, 1983). Animal production problems associated with wind erosion of soils have not been quantified, but a number of problems such as reduced carrying capacity …
Lupin Seeding Rates, Pea Seeding Rates, And Weed Control., K. French, A. Little
Lupin Seeding Rates, Pea Seeding Rates, And Weed Control., K. French, A. Little
Experimental Summaries - Plant Research
Lupin seeding rates, 87ME70. Lupin seeding rates on deep soils, 87ME71. Lupin seeding rates on shallow duplex or gravel soils, 87N27. Lupin seeding rates on deep soils, 87N28, 87A27. Lupin seeding rates on shallow duplex or gravel soils, 87KA54, 87TS32, 87NA88, 87M066, Lupin seeding rates on heavy soil, 87A26, 87TS33. Lupin seeding rate by seed size, 87ME92. Pea seeding rates, 87ME72, 87KA56. Broadleaf weed control in field peas, 87LG41. Grass control in peas, 87LG53
Tillage Investigations., R. J. Jarvis, L. G. Butcher, L. D.J. Smith
Tillage Investigations., R. J. Jarvis, L. G. Butcher, L. D.J. Smith
Experimental Summaries - Plant Research
77A16, red/brown sandy loam - York gum. 77WH17, yellow clayey-sand (Wongan loamy sand). 77M13, red sandy clay loam (Salmon Gum, Gimlet). 77Mt15, gravelly loamy sand/sandy loam - forest soil. 77A43 brown loamy sand/sandy loam - jam country. 77WH88, grey loamy sand over gravel at 50 cm - Elphin soil series – Mallee. 77M56, red sandy clay loam - salmon gum, Gimlet. 82M35, Loamy sand/sandy loam – Mallee. 77E52, fine white sand over gravel at 40 cm. 85SG28, grey-brown calcareous Earth - Kumarl – SGRS. 84M064, heavy land management systems - medium rainfall area. 84M063, heavy land management systems - ne …
Harvest Index Of Lupins, Low Tillering Cereals And Maturity By Sowing Date In Cereals., R. J. Delane, J. C. Mathews, J. A. Bright
Harvest Index Of Lupins, Low Tillering Cereals And Maturity By Sowing Date In Cereals., R. J. Delane, J. C. Mathews, J. A. Bright
Experimental Summaries - Plant Research
Trial 87GE21
Effect of plant density on branching, pod setting and yield development of lupins.
Location: Geraldton
To determine the influence of plant density and between-plant variability in vegetative growth on the branching, pod setting and yield development of lupins
Trial 87GE9
Chemicals to control vegetative growth and improve pod set in lupins.
Location: West Binnu
To examine the effect of a number of growth regulating chemicals on the branching, pod setting and yield of lupins under conditions favoring high biomass production.
Trial 87GE19
Chemicals to control vegetative growth and improve pod set in lupins.
Location: Nabawa
To examine the …
Crop Agronomy., S. Porritt
Crop Agronomy., S. Porritt
Experimental Summaries - Plant Research
Seeding machinery for stubble retention in lupin cereal rotations, 85LG21, and 85LG22. Dynamic Lifter (cereal mix) fertiliser evaluation, 86LG2. Cultural systems for lupin: wheat rotations on water repellent soils, 87ES2. Stubble retention and Rovral for brownspot control in lupins, 87M66. Straw length Effects on wheat growth on red-brown earths, 87M70. Row spacing and stubble retention effects on wheat growth on red-brown earths, 87M71. Nitrogen fertiliser for wheat production after volunteer pasture or sub clover-based pasture, 87ME73 and 87ME74. Effect of seeding rate and sowing depth on lupin establishment, 87ME75. Time of seeding various wheat varieties, 87WE76.
Wheat Experimental Results, S. P. Loss
Wheat Experimental Results, S. P. Loss
Experimental Summaries - Plant Research
The development of wheat relative to frost susceptibility, 87NA10. Optimum flowering times of wheat, 87NA11 and 87WH8. Grain growth and development of a historical set of wheats.
Long Season Wheat, W. R. Smith, K. Anderson
Long Season Wheat, W. R. Smith, K. Anderson
Experimental Summaries - Plant Research
Agronomy of long season wheats, 87AL9, 87AL10, 87ES3, 87ES4, 87JE2, 87JE3, 87MT8, 87MT9 and 87NA9. Septoria control in long season wheat, 87E4 and 87MT10. Nitrogen response by long season wheat, 87ES5 and 87JE4. Phenology of long season wheats, 87E5 and 87MT11.
Disease And Insect Resistance; Murex Medic Evaluation; Legume Species Phasic Development, D J. Gillespie
Disease And Insect Resistance; Murex Medic Evaluation; Legume Species Phasic Development, D J. Gillespie
Experimental Summaries - Plant Research
A summary of the performance of the control varieties (four replications) is shown in Table 3. A summary of the root rot ratings for some varieties showing a range of root rot susceptibility to all four pathogens is given in Table 4. Plant weights were recorded for all varieties tested against the three pathogens in the Western Australian experiments. Results for 12 of the 60 varieties are shown in Table 5. Murex medic evaluation. 86MT56 (Mount Barker), Gravelly loam pH 5.2 (water). 86NA46 (Darken) Loamy sand pH 5.4 86M037 (Regans Ford) Fine red sand pH 5.8 All sites were established …