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Articles 10321 - 10350 of 11182
Full-Text Articles in Physical Sciences and Mathematics
Plot Size Trial (Wheat), G. J. Lewis
Plot Size Trial (Wheat), G. J. Lewis
Experimental Summaries - Plant Research
To determine if plot size (length or width) x cultivar or seeding machine x cultivar interactions exist within a set of wheat cultivars. 87BA20, 87N20, 87WH36, To examine the relationship between the relative yield of wheat cultivars grown in experiments and in similarly treated bulk areas at the same site. 87M80.
Nitrogenous Fertilizers For Cereals Results From 1987 Trials, M G. Mason
Nitrogenous Fertilizers For Cereals Results From 1987 Trials, M G. Mason
Experimental Summaries - Plant Research
Effect of stubble treatment on nitrogen fertilizer requirement. 78C3
Effect of Stubble Treatment on Nitrogen Fertilizer Requirement 78WH3
Effect of Stubble Treatment on Nitrogen Fertilizer Requirement 78M2
Nitrogen Rate on Continuous Wheat with Varying Levels of Retained Stubble *84WH46
Rates of Nitrogen on Continuous Wheat on Heavier Land 87C1
Rates of Nitrogen on Wheat on Heavy Land *87M04
Nitrification of Sources of Nitrogen on Slightly Acid to Neutral Soil 87BA3
Nitrification of Sources of Nitrogen on Medium Soil 87A1
Nitrification of Sources of Nitrogen on Very Acid Soils 87M3
Nitrification of Sources of Nitrogen on Moderately Acid Soil 87WH1
Rate …
The Economics Of Saltland Agronomy, John S. Salerian, Clive Malcolm, Eddie Pol
The Economics Of Saltland Agronomy, John S. Salerian, Clive Malcolm, Eddie Pol
Resource management technical reports
No abstract provided.
Residual Value Of Molybdenum On An Acid Soil, M M. Riley
Residual Value Of Molybdenum On An Acid Soil, M M. Riley
Experimental Summaries - Plant Research
To examine the decline in effectiveness of molybdenum applied to the soil for the growth of wheat at this site. 82N07/1213
Evaluation Of Existing Diagnostic Procedures For The Recommendation Of Trace Element Fertilisers, R F. Brennan
Evaluation Of Existing Diagnostic Procedures For The Recommendation Of Trace Element Fertilisers, R F. Brennan
Experimental Summaries - Plant Research
Trial 87N23
Location: Newdegate Research Station.
To compare the accuracy and reliability of a range of tissue and soil tests being variously promoted for use to farmers for the diagnosis and prognosis of zinc and copper deficiencies in wheat crops on Western Australian farms.
N X P X Irrigation On Wheat - South Carabin, J W. Bowden
N X P X Irrigation On Wheat - South Carabin, J W. Bowden
Experimental Summaries - Plant Research
Trial 87M7.
Nx P x irrigation on wheat
Although no major effects of fertilizer on average seed size were noted, it was found that phosphate level had an effect on the distribution of seed sizes.
Location: South Carrabin.
Trial 87WH51
1987 rainfall.
Location: Wongan Hills Research Station.
Residual Value Of Copper, Zinc And Sulphur With High Analysis Nitrogen And Phosphorus Fertilizer Under Continuous Cropping Situation, R F. Brennan
Experimental Summaries - Plant Research
Trial 86LG34
Location: South Newdegate
To determine the decline in effectiveness of copper, zinc and sulphur on this soil types using DAP.
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
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 …
Harvested And Grazed Lupin Stubbles On Following Wheat South Carrabin., J W. Bowden
Harvested And Grazed Lupin Stubbles On Following Wheat South Carrabin., J W. Bowden
Experimental Summaries - Plant Research
Location: South Carrabin lease block
Harvested and grazed lupin stubbles on following wheat. Trial 86M8
This trial is difficult to analyze statistically because of the treatment changes induced by sheep breaking in to some of the plots. Further, lupin grain yields were not very high and so differences between harvested and unharvested treatments are not large. Also the grazing intensity was not very severe (except on the unintentionally grazed plots) and so the effect of grazing is also relatively small.
Trial 87M7
Nitrogen phosphorus and irrigation of wheat.
Location: South Carrabin.
This trial was designed to give a nitrogen/phosphorus response …
Trial 67n4, I Rowland, W Hawkins
Trial 67n4, I Rowland, W Hawkins
Experimental Summaries - Plant Research
Trial 67N4. Location Newdegate Research Station. Long term rotation trials.
An old land site, cleared in 1951 and in pasture (Dwalganup sub clover) from 1963 to 1967. All plots were sown to Nungarin sub clover, by 1982 all plots had been resown.
Nitrogenous Fertilizers For Cereals In Different Rotations Results From 1987 Trials, I Rowland, M G. Mason
Nitrogenous Fertilizers For Cereals In Different Rotations Results From 1987 Trials, I Rowland, M G. Mason
Experimental Summaries - Plant Research
Lupin/Wheat Rotation *86T826, 86M44, 86WH36, 86T826.
Nitrogen Fertilizer Requirement in Alternate Crop-Pasture Rotation 78BA1 ,78WH2
Nitrogen Requirement for Wheat After Clover, Lupins and Cereal 86BA3
Pea/Wheat Rotation 86M39, *86ME64
The Effects Of Rates Of Nitrogen On The Copper And Zinc Status Of Wheat Plants And Grain Production., R F. Brennan
The Effects Of Rates Of Nitrogen On The Copper And Zinc Status Of Wheat Plants And Grain Production., R F. Brennan
Experimental Summaries - Plant Research
To examine the possibility of rates of nitrogen inducing copper and zince deficiency in wheat.
86E44
Residual Value Of Phosphate Fertilizers., M D A Bolland, M Baker, C. H. Phillips, D. Proudmore
Residual Value Of Phosphate Fertilizers., M D A Bolland, M Baker, C. H. Phillips, D. Proudmore
Experimental Summaries - Plant Research
Trial 84M63
Residual value of phosphate fertilizers.
Location: South Carrabin Block of Merredin Research Station.
4th successive crop on new land. Trial has shown that the effectiveness of the different types of rock phosphate were about the fifth to one tenth as effective as the fresh (triple) superphosphate applied in 1984. The effectiveness of the superphosphate, decreased by 60 between year 1 and 2, and by a further 10-15% by 1987. This experiment will continue as pasture for 1988 and 1989, and will be re-cropped in 1990. The experiment is also assessing soil testing for P. but soil test data …
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 …
Reactions Of Molybdenum With Soil Affecting Its Availability To Wheat Plants V. Initial Residual Effectiveness For A Range Of Acidic Yellow-Brown Sandy Soils, M M. Riley
Experimental Summaries - Plant Research
To relate the molybdenum adsorption capacities of a range of acidic, yellow-brown sandy soils to the initial and residual effectiveness of molybdenum added to these soils for the growth of wheat. 87GL2
Trial 80na6, I Rowland., W Hawkins
Trial 80na6, I Rowland., W Hawkins
Experimental Summaries - Plant Research
Trial 80NA6. Location - B. Harrington, 6 km west of Darkin.
Cleared 1962, cropped 1977 (oats), 1978 (oats and Lupins), pasture in 1979. Continuously cropped to cereals up to 1986, then changed to wheat after wheat, lupins or clover.
Grain Legumes Evaluation., G. H. Walton, T. R. Trent
Grain Legumes Evaluation., G. H. Walton, T. R. Trent
Experimental Summaries - Plant Research
Lupin agronomy, 87AL14. Nitrogen fertilizer for legume crops, 87BA2. Pea variety evaluation, 87C59, 87M08, 87ME1, 87N012, 87SG8, 87KA7, 87N2. Interstate pea variety trials, 87N096, 87N099, 87KA6. Disease Resistance Pea Variety Testing, 87JE1. Grain legume species comparisons, 87A2, 87C2, 87KA37, 87M09, 87MA1, 87NA15. Legume species variety trials, 87LG2. Faba bean evaluation, 87MC34 and 87KA8. Faba bean 'synthetic' variety yield trial, 87MC36. Faba bean screening nursery, 87MC35. Preliminary agronomy of faba bean, chickpea and lentil, 87A21. Seeding date, 87A22. Legume species herbicide tolerance, 87KA82.
Trial 67c13, I Rowland, W Hawkins
Trial 67c13, I Rowland, W Hawkins
Experimental Summaries - Plant Research
Trial 67C13. Location paddock 19B on Chapman Research Station (Nabawa).
Long term rotation trials.
An old land site, cleared in 1903. Sown to Dwalganup sub clover in 1964, topdressed each year until the start of the trial in 1967. In 1981 to 83 all plots were reseeded with Northam at 20 kg/ha.
The Effects Of Rates Of Nitrogen On The Copper And Zinc Status Of Wheat Plants And Grain Production., R F. Brennan
The Effects Of Rates Of Nitrogen On The Copper And Zinc Status Of Wheat Plants And Grain Production., R F. Brennan
Experimental Summaries - Plant Research
To examine the possibility of rates of nitrogen inducing copper and zinc deficiency in wheat.
87JE22
Effects Of Rates Of Nitrogen On Copper Concentrations, Dry Matter Production And Grain Yield Of Wheat Grown On A Residual Copper Trial., R F. Brennan
Experimental Summaries - Plant Research
Trial 67E9
Location: Esperance Downs Research Station.
The trial was originally designed to measure the residual effectiveness of rates of copper fertilizer drilled in 1967.
Field Pea Agronomy., I. A. Pritchard, G. Cooper, D. Dodge
Field Pea Agronomy., I. A. Pritchard, G. Cooper, D. Dodge
Experimental Summaries - Plant Research
Field peas sowing rates, 87A31. Field peas time of sowing, 87A32. Field peas factional agronomy, 87A33. Field pea sowing rates, 87N092. Field peas time of sowing, 87N093. field peas - factorial agronomy, 87N094.
Pasture Agronomy Branch, Pasture Growth Rates., P Booth
Pasture Agronomy Branch, Pasture Growth Rates., P Booth
Experimental Summaries - Plant Research
Location: Shire of Augusta-Margaret River, Shire of Elgin and Shire of Bridgetown-Greenbushes.
To quantify and identify insect and fungal losses of annual pasture production caused through seedling mortality and early production losses. Three sites in the Margaret River/Augusta Shire, one in the Elgin Shire and one in the Bridgetown Shire were used.
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
Root And Foliar Diseases Of Cereals On Sandplain In The Geraldton Area 1987, Wilson Jill
Root And Foliar Diseases Of Cereals On Sandplain In The Geraldton Area 1987, Wilson Jill
Experimental Summaries - Plant Research
Rotation trial (common root rot), 87GE87.
Inoculation trials (common root rot), 87GE88.
Common root rot surveys.
Cereal management trial, 87GE97.
Agronomy Of Wheat Cultivars., W. K. Anderson, M. Seymour
Agronomy Of Wheat Cultivars., W. K. Anderson, M. Seymour
Experimental Summaries - Plant Research
Location: Northam, Wongan Hills, East Beverley, Corrigin and Merredin.
Time of sowing x wheat cultivars, 87N07, 87N011, 87WH7, 87NA4, 87M11. Time of sowing x wheat cultivars.
Nitrogen rates x wheat cultivars, 87N05, 87N09, 87WH5, 87NA2, 87M9.
Seed rates x wheat cultivars, 87N06, 87N010, 87WH6, 8JNA3, 87M10.
Wheat cultivar factorial, 87N04, 87N08, 87WH4, 87NA1.
The Effect Of Soil Acidity On Barley, P J. Dolling, T. D. Haines
The Effect Of Soil Acidity On Barley, P J. Dolling, T. D. Haines
Experimental Summaries - Plant Research
Three liming experiments were established to confirm previous estimates of the critical soil acidity level for barley. Two experiments studying the effect of depth of incorporation on the effectiveness of lime, established in 1986, were continued in 1987.
The results from the three liming experiments established this year supported the conclusion that barley is affected by soil acidity at pH's around 4.2 and 4.3 (CaC12) and that depth of this acid layer is important.
Significant lime responses were obtained at the Katanning depth of lime incorporation site but conclusions can not be made because of possible mixing of …
Nitrogen And Phosphorus Rates On Wheat, J W. Bowden
Nitrogen And Phosphorus Rates On Wheat, J W. Bowden
Experimental Summaries - Plant Research
Trial 87MO69
Nitrogen and phosphorus rates on wheat.
Location: Cadoux
To characterize an N x P response surface on wheat and test out recommendation system, NP Decide.
Surface Drainage Trial., Department Of Agriculture, Western Australia.
Surface Drainage Trial., Department Of Agriculture, Western Australia.
Experimental Summaries - Plant Research
Trial 86V1
Location: Vasse Research Station.
The aim of this experiment was to quantify the response of annual pastures to improved surface drainage by laser levelling and from the pasture response data determine the cost.
An Inventory And Condition Survey Of Rangelands In The Carnarvon Basin, Western Australia, A L. Payne, G F. Spencer, P J. Curry
An Inventory And Condition Survey Of Rangelands In The Carnarvon Basin, Western Australia, A L. Payne, G F. Spencer, P J. Curry
Technical Bulletins
The inventory and condition survey of rangelands in the Carnarvon Basin, undertaken by the Department of Agriculture and Food, Western Australia (DAFWA) between 1980 and 1982, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed covers …