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Articles 331 - 360 of 413

Full-Text Articles in Oceanography and Atmospheric Sciences and Meteorology

Lupin Cultivar Comparison, G H. Walton Jan 1977

Lupin Cultivar Comparison, G H. Walton

Experimental Summaries - Plant Research

1. Lupin cultivar comparison - L. cosentinii cv. CB49 and L. angustifo1ius cv Marri - 77A20. - L. albus cv Ultra and L. angustifolius cultivars, BRAMLEY R.S. - 77B1(A), 77B1(B). 2. Field pea cultivar comparison - AVONDALE R.S. - 77A22. 3. Lupin and cereal mixtures - 77MO19, 4. Undersowing of subclover pasture - 77NA25. Plant competition in mixtures of lupin and cereal (Lancelin) - 77MO19. Undersowing lupin and wheat crops with sub. clover (Cuballing) - 77NA25. Polycultures of wheat and lupin (Crossman) - 77NA26, 77MO18. Expt no: 76JE7, 77A20, 77A21, 77A22, 77B1(A), 77B1(B), 77GE30, 77MO17, 77MO18, 77MO19, 77NA25, 77NA26, 77TS21.


Long Term Rotation Trials 1977, I Rowland Jan 1977

Long Term Rotation Trials 1977, I Rowland

Experimental Summaries - Plant Research

W56H, 66M29, 67C13, 67N4, 68E5, 68SG5,73SG16.

Lupins, Barley, Clover.


Miscellaneous Crop Trials - High Rainfall Districts, M. W. Perry Jan 1977

Miscellaneous Crop Trials - High Rainfall Districts, M. W. Perry

Experimental Summaries - Plant Research

1. High Rainfall Miscellaneous Crop Trials - 77BU3, 77BU11, 77DE2. 77HA1, 77HA6, 77MA2, 2. Standard Alternative Crop Trials - 77BA16, 77MT20, 77NA27, 77NA28. 3. L. cosentinii Establishment and Regeneration - 77MO20, 77GE31, 77TS22. Plant density x time of planting on L. Consentinii - 77BA15. 4. L. consentinii seeding rates - 77BR11. 5. Seeding Rates for High Rainfall Cereals - 77BR11.


Pasture Species Investigations - High Rainfall Area 1976, D A. Nicholas Jan 1977

Pasture Species Investigations - High Rainfall Area 1976, D A. Nicholas

Experimental Summaries - Plant Research

Contents Clover cultivar grazing trial (N. Bannister) - NOT in this document. Perennial versus annual grass grazing trial (Manjimup Research Station) - 72MNS. Pasture types x stocking rate trial (Denmark Agricultural High School) - 72D1. Clover cultivar evaluation trial (Denmark Research Station) - 8. The final yield sampling in December was not obtained through cattle having broken into the area. Clover cultivar evaluation trial (Karridale) - 77BU10. Clover cultivar evaluation trial (Denmark Research Station) - 77D5, 77DF, Clover cultivar evaluation trial (Wellstead) - 77AL22. Clover cultivar Evaluation Trials. Location: Esperance District - 77ES27 - R.L. Stead, Dalgup; 77ES28 - E.L.D., …


Cultivar Evaluation In High Rainfall Areas, D J. Gillespie Jan 1977

Cultivar Evaluation In High Rainfall Areas, D J. Gillespie

Experimental Summaries - Plant Research

1. Trikkala Evaluation Trial 76MT3. A joint trial with D.A. Nicholas. The trial's aim is to compare the competitive ability under grazing of Trikkala and Yarloop clover on a waterlogged new land site. The competitive ability to be measured in the presence and absence of clover scorch. (Kabatiella caulivora). 2. Pasture deterioration. Field experiments. Three trials established in 1975 to determine whether various cultivation techniques could control root rot and. subsequent pasture deterioration have now concluded. 3. Lucerne productivity and persistence. 4. Effects of saline irrigation water on pasture production. During the 1976/77 irrigation season the effects on pasture production …


Fisheries Report No 26 - Report On Lake Chandala With Recommendations Of Its Importance As A Fauna Reserve, Alan Tingay, Susan R. Tingay Jan 1976

Fisheries Report No 26 - Report On Lake Chandala With Recommendations Of Its Importance As A Fauna Reserve, Alan Tingay, Susan R. Tingay

Fisheries Research Reports

The hydrology, vegetation, fauna and land use of Lake Chandala (31°30 'S, 115°57'E) is described on the basis of field and literature surveys. The significance of the Lake as a Straw-necked Ibis (Thresktornts spinicollis) nesting rookery is emphasised and recommendations are made for its acquisition and future management.


1976 South West Sub Clover Root Rot - White Rust On Rapeseed, M J. Barbetti Jan 1976

1976 South West Sub Clover Root Rot - White Rust On Rapeseed, M J. Barbetti

Experimental Summaries - Plant Research

1. South west sub clover root rot - 1975 cultivation experiments - To investigate the effect of time of cultivation, and nitrogen application, upon the incidence and severity of both tap and lateral root rot of subterranean clover. Localities - Karridale (76BU1), Manjimup (75MA1), and Walpole (75DE1). 2. South West sub clover root rot - 1976 cultivation experiments - Localities - Karridale (75BU11), Walpole (75DE12), and Narrikup (75AL36). 3. White rust on rapeseed - Aims - To examine the role of white rust seed infection in disease aetiology and epidemiology, both in an area containing white rust infected trash and …


1976 Early Crossbreds, C. M. Francis Jan 1976

1976 Early Crossbreds, C. M. Francis

Experimental Summaries - Plant Research

TABLE 3: Dry Matter Production Denmark 1976 Variety - kgs/ha* 210.10.26.1 (Bacchus x Daliak) - 5498 Mt. Barker - 5362 MBD 21.1 (Midland Bx Daliak) - 5166 Woogenellup - 5142 MBD 25.2 (Midland B x Daliak) - 4916 MBD 30.1 (Midland B x Daliak) - 4896 Daliak - 4654 Seaton Park - 4008 * Total of 5 cuts LSD 5% = 420 kg. Days to first flower 1976* Variety - Mt Barker. Woogenellup. 210.10.26.1. MBD 21.2. MBD 30.1. Dinninup. MBD 25.2. Seaton Park. Daliak. * Planting dates Denmark 25/3/76 Perth 3/5/76 A) 1967 Series Crossbreds. 1976 was a drought season …


1976 Inoculation - Clover Scorch Screening - Glasshouse - Nodulation Of Pastures, D L. Chatel Jan 1976

1976 Inoculation - Clover Scorch Screening - Glasshouse - Nodulation Of Pastures, D L. Chatel

Experimental Summaries - Plant Research

1. Inoculation. 1.1 Lupin inoculation. 1.2 Pea inoculation. 1.3 Clover inoculation. 2 Clover scorch screening. 3. Appendix 3.1 Glasshouse effectiveness. 3.2 Nodulation of Pastures - Denmark Research Station. LIST OF EXPERIMENTS 1. The effect of superphosphate on the nodulation of Unicrop lupins drilled with the fertilizer - Wandering. 2. The effect of superphosphate on the nodulation of Unicrop lupins drilled with the fertilizer - Lancelin. 3. The effect of manganese superphosphate on the nodulation of/ Unicrop lupins drilled with the fertilizer - Lancelin. 4. The effect of superphosphate on the nodulation of Unicrop lupins drilled with the fertilizer - Wongan …


1976 Trace Element Nutrition, J W. Gartrell Jan 1976

1976 Trace Element Nutrition, J W. Gartrell

Experimental Summaries - Plant Research

Contents: 1.0 Copper l,l Long Term Copper Trial, Newdegate 66Nl4 1.2 Residual copper (i) on wheat, Esperance Downs. (ii) on lucerne, Esperance Downs. (iii) on sheep and pasture, Bramley. 1.3 Copper for wheat on new land (i) sources, methods, granularity, Lake Grace. (ii) drilled vs topdressed, Newdegate. 1.4 Tissue tests for copper status of wheat. 1.5 Use of soil test for copper. 2.0. Manganese. 2.1 Residual manganese for sweet narrow leafed lupins - Badgingarra.


Summary Of 1976 Field Trials, D J. Gilbey Jan 1976

Summary Of 1976 Field Trials, D J. Gilbey

Experimental Summaries - Plant Research

Doublegee seed longevity. Doublegee control. Crop yield loss - doublegee. Creeping knotweed. Guildford grass. Time of spraying 2, 4-D. Longevity of doublegee seed under continuous pasture. Locality: Avondale, Wongan Hills and Chapman Research Stations. Effect of double cropping, shallow dry cultivation and spraying pasture on viable doublegee seed - 74A4. Locality: Avondale Research Station. Effect of doublegee cropping, shallow dry cultivation and spraying pasture on viable doublegee seed - 74WH4. Locality: Wongan Hills Research Station. Doublegee seed longevity x cultivation - 75WH65. Locality: Wongan Hills Research Station. Doublegee seed longevity x cultivation - 74C7. Locality: Chapman Research Station. Doublegee seed …


1976 Potash Trials, W. J. Cox Jan 1976

1976 Potash Trials, W. J. Cox

Experimental Summaries - Plant Research

76M01 - Comparative potassium requirements of L. Cosentinii and L. Angustifolius. 76M02 - Rates and times of Potassium application on Lupins. 76M03 - Sources of Potassium - Muriate vs Langbeinite. 76TSI - Comparative Potassium requirements of L. Cosentinii and L. Angustifolius. 76TS2 - Rates and times of Potassium application on Lupins. 76TS3 - Sources of Potassium on Lupins - Muriate vs Langbeinite. 76TS9 - Rates of P hand K on wheat. 76BA5 - Method of kcl application on Lupins. 76BA6 - Method of kcl application on Lupins.


1976 - Strategic Fungicide Trials - Botrytis Seed Vetches - Benlate Kabatiella Subclover, A Bokor Jan 1976

1976 - Strategic Fungicide Trials - Botrytis Seed Vetches - Benlate Kabatiella Subclover, A Bokor

Experimental Summaries - Plant Research

February 1977. 1. Strategic fungicide trial - 76AL34 - Obtain information on the effect of various timed spray applications of Benlate over the growing season on the development of clover scorch. 2. Strategic fungicide trial - 76BU6 - To assess the effect of fungicide treatments at periodic intervals over the season on the development of clover scorch disease 3. Comparative fungicide trial - 76AL33 - To compare the effectiveness of four fungicides at two rates for the control of clover scorch disease with or without addition of spraying oil. 4. Effect of Botrytis on seed yield of vetches - 76AL42. …


1975 Minimum Tillage Investigations 1964-1973 Summary, J M. Allen Jan 1976

1975 Minimum Tillage Investigations 1964-1973 Summary, J M. Allen

Experimental Summaries - Plant Research

The following investigations into methods of establishing cereals have been carried out by G.A. Pearce in the period 1964 - 1973. Merredin Research Station 66M28, 69WH23, 69M16, 70LG3, 70M4, 70SG5, 71A12, 71N14, 71WH18, 72A6, 72ME5, 72N5, 72SG1, 72WH6, 73A16, 73C12, 73N13, 73SG9, 73WH14,


Preliminary Reports 1976, G C. Macnish Jan 1976

Preliminary Reports 1976, G C. Macnish

Experimental Summaries - Plant Research

Effect of nitrogen sources on take-all 1975 season experiment - 75SG17. Effect of nitrogen sources on take-all experiment 76ES36, 76JE26, 76LG25. Take-all cultivar interaction experiment - 76JE29, 76LG29. take-all, spray-fallow and time of sowing experiments - 76GE35, 76LG26, 76LG38 and 76SG11. Take-all cleaning crops experiments - 76A7, 76E6, 76M47, 76N5 and 76WH11. Take-all cleaning crops on farmer's property experiments - 76LG27. Covered smut of barley - control experiment - 76A5. Covered smut of barley - control experiment - 76WH12. Build-up of barley covered smut experiment - 76A6. Cereal seed dressing - barley experiment - 76E5. Control of barley loose smut …


Experimental Summary 1975/76, D J. Gillespie Jan 1976

Experimental Summary 1975/76, D J. Gillespie

Experimental Summaries - Plant Research

A. Pasture Deterioration. 1. Sub clover variety screening for root rot resistance - 2. Climatic influences. 3. Paddock monitoring investigations. B. Cultivar evaluation in high rainfall areas. 1. Midland B/Woogenellup 2. Midland B/Seaton Park/Yarloop/Larissa C. Lucerne trials.


1976 Field Crop Experiment, M. W. Perry Jan 1976

1976 Field Crop Experiment, M. W. Perry

Experimental Summaries - Plant Research

Performance of August sown cereals - 76MO50. To investigate the performance of late sown cereals for summer forage or grain in the eastern wheatbelt. This trial was designed to test the idea that even in a drought year, very late sowing of cereals might provide a low grain yield or at least a substantial quantity of summer feed.


1976 Report On Field Trials With Early-Maturing Subterranean Clover Crossbred Strains And Selections, D A. Nicholas Jan 1976

1976 Report On Field Trials With Early-Maturing Subterranean Clover Crossbred Strains And Selections, D A. Nicholas

Experimental Summaries - Plant Research

1. Drilled Trials in Wheatbelt Districts. Trial No. 76GE7, 76LG5, 76ME5, 76ME6, 76M011, 76M012, 76NA6, 76N01, 76TS10. A series of 9 trials to compare the crossbred subterranean clovers Nungarin, 239.2 and 584.1B. with Northam and Geraldton was sown in representative, dry wheatbelt localities in 1976. The trials were sown in randomised blocks with four replications on sites which carried little or no clover. Plot size was 4.22 metres by 40 metres. Superphosphate was applied at rates related to past applications and soil type, but was usually about 200 kg a hectare. Copper, zinc and molybdenum were applied where necessary. Seed …


1976 Phosphorus And Sulphur Sources Trials, M D. Bolland Jan 1976

1976 Phosphorus And Sulphur Sources Trials, M D. Bolland

Experimental Summaries - Plant Research

PHOSPHORUS SOURCES TRIALS (A) Pasture trials i) High rainfall areas a) Sand: 76BU1 - New land P sources trial, T. O'Byrne, Yalingup. 76BU4 - Old land P sources trial, T. Coombes, Busselton. 76EX37 - Young land P sources trial, F. Fels, Esperance. b) Gravel: 76MT10 - New land P sources trial, Mt. Barker Research Station. 76MT9 - Old land P sources trial, Mt. Barker Research Station. ii) Medium rainfall areas: a) Sand 75N07A -New land P sources trial, D. Gillespie, East Chittering. b) Gravel: 75N07B - New land P sources trial, D. Gillespie, East Chittering. iii) Low rainfall areas a) …


1976 Phosphorus And Sulphur Group, J. W. Bowden, R J. Lunt, K F. Longbottom, W E. Hawkins Jan 1976

1976 Phosphorus And Sulphur Group, J. W. Bowden, R J. Lunt, K F. Longbottom, W E. Hawkins

Experimental Summaries - Plant Research

Stocking x Super. rate trials - 66M30, 62MB9, 68BR7. Crossed plot trials - residual value. P x K on Pasture - 74TS4, 74M06, 75GE6. N x P on· Wheat - 75M09. P x Species - 75LG4, 75JE5. Maintenance P x S trials - Wheat Belt Research Station - 65A1; C5, N5, 69WH15. High Rainfall Areas - 68B1, 69E6, 69AL2. Farmers residual value - 66N07, 66ME3,67N011, 66NA3, 66LG1, 68LG1, 66M06, 67M01, 67GE2, 67N05, 67N04, 66N09. Miscellaneous Cropping Trials - Super x Spacing - 76ME26, 76ES8, 9 and 10. Super Study rate and spacing - 76NA7, 76N05, 76JE8. Continuous cropping - 75LG26, …


1976 Cereal Disease Survey - Mycosphaerella Graminum Spore Trap Studies - S. Nodorum Yield, A G. Brown Jan 1976

1976 Cereal Disease Survey - Mycosphaerella Graminum Spore Trap Studies - S. Nodorum Yield, A G. Brown

Experimental Summaries - Plant Research

1. A.G.P. Brown and T.N. Khan - Cereal disease survey. Samples were again collected from C.V.T.s by District Office staff and sent to South Perth for evaluation. A single sampling was made in 1976 at 120 days after sowing. No samples were received from Geraldton or Three Springs trials (presumably these failed to drought). Only one sample was received from Moora, none from Merredin and only one from Jerramungup. All samples from Narrogin were lost at South Perth. A number of samples were collected well after 120 days old and were senescent. 1. E. Moora. 2. Badgingarra R.S. 3. West …


1976 Experimental Summary, D. Gillespie Jan 1976

1976 Experimental Summary, D. Gillespie

Experimental Summaries - Plant Research

1. Cultivar Evaluation in High Rainfall Areas a) Midland B/Seaton Park/Yarloop/Larisa - 72MT29 b) Trikkala evaluation trial - 76MT3 2. Pasture deterioration - high rainfall areas. Variety Daliak. Dinninup. Woogenellup. Yarloop. Mt. Barker. Nangeela. Midland B. Toodyay C. Guildford D. Jarrahdale B. Trikkala. Larisa. a) Phytotron experiments. Dinn. x (Daliak x Tood. C) (av. of 6 crosses) Dinn. x (Mid. B x Nangeela) (av. of 3 crosses Daliak x (Mid. B x Nangeela) (av. of 4 crosses) b) Field experiments - 76MA8, 76DE3. 3. Lucerne productivity and persistence - 74E3-Sheep, 74E4-Cattle, 74E3-Sheep, 74E4-Cattle, 75AL30-Cattle. 4. Effects of saline irrigation water-on …


1976 Pasture Species Investigations - Wheatbelt, N. R. Mckeown Jan 1976

1976 Pasture Species Investigations - Wheatbelt, N. R. Mckeown

Experimental Summaries - Plant Research

Trials in Progress. Only four grazing trials were continued in 1976. The pasture species and management trial at Moora (68M023) required a disproportionate amount of available work time. About 6 man-months were spent in completing the fencing, repairing and modifying the water system and increasing the working efficiency of the experiment. Sheep were reintroduced to the trial early in June. This report summarizes the results from the trials under the following headings:- Seasonal Conditions; Grazing Trials;, Legume Grazing Management Trial, West Moora - 68M023; Comparison of Production from Cyprus Medic and Volunteer Pasture - 71LG17; Tornafield Medic, Serradella and Subterranean …


1975 Weed Control Investigations In High Rainfall Areas, J M. Allen Jan 1976

1975 Weed Control Investigations In High Rainfall Areas, J M. Allen

Experimental Summaries - Plant Research

1. Docks. 2. Capeweed. Dock control - Dicamba in pastures - 73AL38, 73AR9, 73BU9. Fiddle dock control glyphosate evaluation - 74AL26, 74BU14, 74BY7, 74DE13, 74HA7. Dock control - pasture renovation - 75AL6, 75BU2, 75HA2.


Ryegrass Control - Cultural And Chemical Systems, J. E. Holmes, G. A. Pearce Jan 1976

Ryegrass Control - Cultural And Chemical Systems, J. E. Holmes, G. A. Pearce

Experimental Summaries - Plant Research

RYEGRASS CONTROL - SPRAYTOP - SPRAY SEED + AUTUMN CULTIVATION 75M48 LOCALITY: Merredin Research Station. RYEGRASS CONTROL - SPRAYTOP - SPRAY SEED + AUTUMN- CULTIVATION 75WH67 LOCALITY: Wongan Hills RYEGRASS CONTROL - SPRAYTOP - SPRAYSEED + AUTUMN CULTIVATION 75N22 LOCALITY: Newdegate Research Station. RYEGRASS GERMINATION - EFFECT OF CULTIVATION 76Al0 LOCALITY: Avondale Research Station. RYEGRASS CONTROL - CULTURAL SYSTEMS 75A31 LOCALITY: Avondale Research Station. ANNUAL RYEGRASS CONTROL - CULTURAL SYSTEMS 75M49 LOCALITY: Merredin Research Station. RYEGRASS CONTROL - CULTURAL SYSTEMS 75E20 LOCALITY: Esperance Downs Research Station. RYEGRASS CONTROL - CULTURAL SYSTEMS 75SG16 lOCALITY: Salmon Gums Research Station. CONTROL OF RYEGBASS …


1976 Pasture Species Investigations - High Rainfall Area, D A. Nicholas Jan 1976

1976 Pasture Species Investigations - High Rainfall Area, D A. Nicholas

Experimental Summaries - Plant Research

1. Clover cultivar grazing trial - North Bannister - 68NA1. 2. Perennial versus Annual grass grazing trial Manjimup Research Station - 72MN5. 3. Pasture types x stocking rate trial - Denmark - 72D1. 4. Clover cultivar evaluation trial - Denmark - 76D4. 5. Clover cultivar evaluation trial - Esperance - 76ES11.


1974 Seed Yield Of Early Maturing Crossbreds Under Wheatbelt Conditions, C. M. Francis Feb 1975

1974 Seed Yield Of Early Maturing Crossbreds Under Wheatbelt Conditions, C. M. Francis

Experimental Summaries - Plant Research

Small plot trials sited at Merredin, Bencubbin and Bungil again demonstrated the 'bred' varieties to be at least the equal of Geraldton or Northam A under wheatbelt conditions. Growing season conditions at Bencubbin were the best for pasture in recent years. Merredin and Bungil also received above average rainfall but encountered dry conditions in September. Predictably the coarse siliceous nature of the Wodgil soil at Bungil in conjunction with the dry period produced very low seed yields. Crossbred 175.1.3 the leading crossbred at Merredin in 1973, was again significantly better than Geraldton or Northam A at Merredin and Bungil (Table …


Summary Of 1974 Dock Control Field Trials, J M. Allen Feb 1975

Summary Of 1974 Dock Control Field Trials, J M. Allen

Experimental Summaries - Plant Research

Dock control - Spray graze evaluations - 73BY8, 73HA4, 73BU5, 73MA6, 73DE6 Dicamba in pastures - 73AL38, 73BU9, 73AR9


Summary Of Trial Results - 1974, N R. Mckeown Feb 1975

Summary Of Trial Results - 1974, N R. Mckeown

Experimental Summaries - Plant Research

Observations and measurements were made on 10 grazing trials and 11 small-plot legume species trials in 1974. Three of the grazing trials were under crop, two of them concluding low oestrogen species trials which had been grazed since 1969, and one of them, 68M023, West Moora, as an interval between pasture phases. The small-plot trials dated from 1970 or later and on most of them half of each plot could be grazed by sheep and half was protected. These trials have continued to supply useful information on the suitabiliy of cultivars to soil and climate and will be the subject …


Fisheries Report No 16 - Notes On The Wildlife Of A Proposed Nature Reserve Around Lake Grace And Lake Chinokup, Western Australia, N. L. Mckenzie, W. K. Youngson Jan 1975

Fisheries Report No 16 - Notes On The Wildlife Of A Proposed Nature Reserve Around Lake Grace And Lake Chinokup, Western Australia, N. L. Mckenzie, W. K. Youngson

Fisheries Research Reports

During 1972 and 1973 plants and vertebrate animals were collected and recorded from a proposed 22 000 ha nature reserve centred on a chain of salt lakes in south-western Western Australia (33° 10' S - 33° 35' 8 and 118° 19' B - 118° 29' E).

The dominant plant species were collected, the structural formations desert bed and a vegetation map produced. Seven species of native terrestrial mammal and three species of bat were recorded.

Three of the terrestrial species are endemic to southwestern Western Australia, and two of these - Pseudomys occidentalis and Sminthopsis granulipes - are regarded as …