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Articles 1 - 27 of 27
Full-Text Articles in Life Sciences
South-West Medlfy Study Highlights Improved Control Strategies, Sonya Broughton, Francis De Lima
South-West Medlfy Study Highlights Improved Control Strategies, Sonya Broughton, Francis De Lima
Journal of the Department of Agriculture, Western Australia, Series 4
Mediterranean fruit fly has become an extremely important pest of commercial orchards in recent years, with there being numerous reports of control problems from fruit growing districts in the South-west of Western Australia. To assist in finding a solution to the problem of effective Medfly control, a study commenced in July 1995 to develop further understanding of Medfly ecology and to evaluate control strategies under varying climatic and management conditions in the South-west region. Sonya Broughton and Francis De Lima report on the outcomes of the three-year study.
Sheep Blowflies Strike Out!, David Cook, Ian Dadour, Ernie Steiner
Sheep Blowflies Strike Out!, David Cook, Ian Dadour, Ernie Steiner
Journal of the Department of Agriculture, Western Australia, Series 4
Woolgrowers are constantly concerned that the sheep blowfly may be able to breed in sheep or other animal carcasses. David Cook, Ian Dadour and Ernis Steiner report on an experiment that answers that question once and for all.
Tomato Spotted Wilt Virus And Its Management, Lindrea Latham, Roger Jones
Tomato Spotted Wilt Virus And Its Management, Lindrea Latham, Roger Jones
Journal of the Department of Agriculture, Western Australia, Series 4
In 1993, western flower thrips, an important pest of horticultural crops, was found in Western Australia. Since then there has been an upsurge in damsging virus disease epidemics caused by tomato spotter wilt virus in horticultural crops. This has occurred because western flower thrips is a more effective vector of tomato spotted wilt virus than other thrips species. Lindrea Latham and Roger Jones outline the symptoms, spread and management of this serious virus disease in vegetables and ornamentals.
Storm : [Wind Erosion In The Great Southern], Dan Carter
Storm : [Wind Erosion In The Great Southern], Dan Carter
Journal of the Department of Agriculture, Western Australia, Series 4
On Thursday 11 May 1995, a low pressure system with central barometric pressure of 990 hPa formed of south-western Australia. This depression directed gale force winds over the South-West Land Division for some seven hours.
Dan Carter reports on the widespread damage to soils and property, and management practices that would have reduced the problem.
Alley Farming : New Vision For Western Australian Farmland, Ted Lefroy, Phil Scott
Alley Farming : New Vision For Western Australian Farmland, Ted Lefroy, Phil Scott
Journal of the Department of Agriculture, Western Australia, Series 4
Alley farming is a system where crops and pastures are grown in the alleys between rows of trees and shrubs. The concept is new to Western Australia but one that is likely to become more familiar over the next few years. The objective is to use trees and shrubs to decrease the environmental side effects of agriculture, such as erosion and salinity while increasing farm profit through the direct and indirect value of the trees.
This article describes some examples of alley farming in Western Australia and discusses the challenge of getting the right tree species and layout to maximise …
Growing Sunflowers In South-Western Australia, M L. Poole
Growing Sunflowers In South-Western Australia, M L. Poole
Journal of the Department of Agriculture, Western Australia, Series 4
The oil produced from sunflowers falls into the "polyunsaturated" group and usually commands a premium price on world markets.
Some Western Australian farmers seeking to diversify their cropping programmes in the face of marketing difficulties for many agricultural products are trying sunflowers, although commercial production has not yet been achieved.
This article sets out some basic information for farmers wishing to try sunflowers.
Potassium For Pastures, Walter Jacob Cox
Potassium For Pastures, Walter Jacob Cox
Journal of the Department of Agriculture, Western Australia, Series 4
IVIany pastures in the south-west of Western Australia are deficient in potassium or need regular dressings for maximum growth. This article indicates areas and situations in which potassium might be needed, shows how deficiency is diagnosed and gives recommended rates of application.
Farm Grazing Levels, Department Of Agriculture, Western Australia
Farm Grazing Levels, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Stocking rates in many dairying areas are so low that the Division has established nine grazing level demonstrations in various areas.
Their aim is to demonstrate that higher stocking rates are practical on existing farms.
Irrigation In South-Western Australia, K S. Cole
Irrigation In South-Western Australia, K S. Cole
Journal of the Department of Agriculture, Western Australia, Series 4
THE pattern of irrigation in South-Western Australia is constantly changing, At present, the main increase is in the private sector.
In the past century, there has been a see-saw effect from private to Government to private schemes.
Prevent Worms In Cattle, G C De Chaneet
Prevent Worms In Cattle, G C De Chaneet
Journal of the Department of Agriculture, Western Australia, Series 4
PARASITIC gastro enteritis, caused by roundworms, is a common cause of economic loss in calves, yearlings and occasionally cows in south-western Australia. Losses could be prevented if stock owners realised the full effects of these parasites, and understood the causes of worm infestation.
Management Of Dry Land Lucerne In The South-West, R Sprivulis
Management Of Dry Land Lucerne In The South-West, R Sprivulis
Journal of the Department of Agriculture, Western Australia, Series 4
MANY dry land lucerne stands have been successfully established in the dairying areas of the South-West.
With good management these can remain productive for many years; poor management can greatly reduce their productive life.
Three Beef Raising Systems For Butterfat Producing Properties, Department Of Agriculture, Western Australia
Three Beef Raising Systems For Butterfat Producing Properties, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
THREE-QUARTERS of the calves born in autumn on butterfat farms are not required as milking replacements and are thus available for beef production or immediate sale, at about $20 a head.
The profit from selling beef must be compared with that from selling excess calves off their mothers.
Such a comparison is being made by Department of Agriculture Beef Research Officer D. J. Barker in a series of trials at Bramley Research Station, Margaret River.
Causes Of Low Lambing Percentages, Department Of Agriculture, Western Australia
Causes Of Low Lambing Percentages, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
West Australian Merino flocks average about 70 per cent, lambs marked each year. Reasons for this low percentage are that as many as 30 per cent, of ewes do not lamb, twinning rates are low and from 10 to 25 per cent, of lambs born die.
Among the research projects by the Department of Agriculture's Sheep and Wool Branch have been a number directed at the various stages of reproduction in the ewe. These have given some important leads on the causes of low lambing percentages.
If you have marked less than 60 per cent, lambs in the past several …
More Butterfat Per Acre At Denmark Research Station, Department Of Agriculture, Western Australia
More Butterfat Per Acre At Denmark Research Station, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
STOCKING rates on dairy farms are generally too low and can be substantially increased, but unfortunately there is no satisfactory measurement to indicate the potential of a particular pasture or environment.
A trial carried out on Denmark Research Station in 1966-67, to obtain information on carrying capacity of a dryland kikuyu-subterranean clover pasture.
Coccidiosis In Lambs On The South Coast, A J. Hadlow
Coccidiosis In Lambs On The South Coast, A J. Hadlow
Journal of the Department of Agriculture, Western Australia, Series 4
Outbreaks of coccidiosis among autumn-born lambs on the south coast have approached epidemic proportions this year.
Similar outbreaks are likely among late winter-spring born lambs. This article describes the disease and suggests measures for prevention and treatment.
High Stocking Rate On Kikuyu Dairy Pasture : Progress Report On Grazing Trials On Kikuyu-Sub. Clover Pasture At Denmark Research Station, F E. Ryan
Journal of the Department of Agriculture, Western Australia, Series 4
KIKUYU is one of the most valuable pasture plants on dairy farms in the South-West of Western Australia.
It combines well with subterranean clover and ryegrass if heavily stocked, and pastures managed in this way can be cut for legume-grass hay in the spring. However, relatively little is known of its carrying capacity or potential for production under grazing.
Land Grading In South West Irrigation Areas, 1966-67, Department Of Agriculture, Western Australia
Land Grading In South West Irrigation Areas, 1966-67, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Land grading in the South West Irrigation Areas with modern earth moving equipment first commenced in 1949.
The advantages of land grading are well recognised by farmers and this season grading operations were carried out on 208 farms.
Irrigation In The South-West : Report On Government-Controlled Areas, 1965-66, G Gauntlett
Irrigation In The South-West : Report On Government-Controlled Areas, 1965-66, G Gauntlett
Journal of the Department of Agriculture, Western Australia, Series 4
LARGE scale irrigation in the south-western part of Western Australia is confined to the coastal plain, west of the Darling Range where the three irrigation districts of Waroona, Harvey and Collie have been established.
Dairy Farming In The Busselton-Margaret River District. Part 3. Fodder Conservation, R A. Bettenay
Dairy Farming In The Busselton-Margaret River District. Part 3. Fodder Conservation, R A. Bettenay
Journal of the Department of Agriculture, Western Australia, Series 4
An analysis of fodder conservation indicates that farmers in the Busselton-Margaret River district are conserving less than half the amount of fodder considered desirable.—Third in a series reporting a survey of farm practices in the district.
Dairy Farming In The Busselton-Margaret River District. Part 2. Stocking Rate And Production, R A. Bettenay
Dairy Farming In The Busselton-Margaret River District. Part 2. Stocking Rate And Production, R A. Bettenay
Journal of the Department of Agriculture, Western Australia, Series 4
Survey results suggest that the production of butterfat per acre could be doubled on many farms in the Busselton-Margaret River district.—Second in a series of articles reporting a survey of farm practices on 100 farms in the district.
Modern Methods Boost Apple Production In A South-West Orchard, N H. Shorter
Modern Methods Boost Apple Production In A South-West Orchard, N H. Shorter
Journal of the Department of Agriculture, Western Australia, Series 4
A WELL-KNOWN South-West apple orchard with an impressive cropping record is owned by W. F. & E. M. Dilley and Sons, of Upper Capel, near Donnybrook.
Trees in this orchard have been producing consistently heavy crops for many years and, furthermore, yields have increased steadily over a 10-year period.
Silage Making In The Lower South-West, A L. Hamilton
Silage Making In The Lower South-West, A L. Hamilton
Journal of the Department of Agriculture, Western Australia, Series 4
The history of silage making in the South-West of Western Australia is typified by periods of relatively intense activity followed by periods when the activity virtually ceases.
The recent rise in popularity has followed the introduction of machinery or methods which tend to make the job easier to handle, or which improve the quality of the silage.
Iron Deficiency Of Oats In The Lower South West, Edgar Noel Fitzpatrick, R. Sprivulis
Iron Deficiency Of Oats In The Lower South West, Edgar Noel Fitzpatrick, R. Sprivulis
Journal of the Department of Agriculture, Western Australia, Series 4
Oats grown on the acid peaty sands of the West and South Coastal areas of Western Australia develop iron deficiency.
This deficiency can be cured by spraying with iron sulphate. A 2 to 4 per cent, solution can be applied through a low volume spray without damage to the plants. The spray should be repeated when deficiency symptoms reappear.
Growing oats on these soils is not recommended.
Wood-Rotting Fungi Associated With Dieback In Apple Trees : Progress Report : Orchard Surveys And Laboratory Studies, R F. Doepel
Wood-Rotting Fungi Associated With Dieback In Apple Trees : Progress Report : Orchard Surveys And Laboratory Studies, R F. Doepel
Journal of the Department of Agriculture, Western Australia, Series 4
DIEBACK, or decline, of apple trees has been a serious problem for many years in orchards throughout the South-West of Western Australia.
Wood-rotting fungi are commonly associated with this condition and often bring about collapse of affected trees.
Silage Competitions In The South-West : 1960-1961, Department Of Agriculture, Western Australia
Silage Competitions In The South-West : 1960-1961, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Review and results of the 1960-61 Australian Dairy Produce Board Silage Competition, and an outline of the 1961-62 Competition.
Some Notes On Worms In Sheep In Southern Western Australia, I W. Parnell
Some Notes On Worms In Sheep In Southern Western Australia, I W. Parnell
Journal of the Department of Agriculture, Western Australia, Series 4
DURING the last fifty or more years several surveys have been made of the worm parasites which occur in southern Western Australia.
In the 'fifties, thanks to the stimulus of Mr. H. McL. Gordon, supported by Dr. H. W. Bennetts, observations were made on the sequence of the infestations in autumn-born weaners in the country stretching from Moora to Cranbrook and Bridgetown, and later near Geraldton and Esperance.
Fertilizers For Potatoes In Manjimup And Pemberton Areas, James P. Fallon
Fertilizers For Potatoes In Manjimup And Pemberton Areas, James P. Fallon
Journal of the Department of Agriculture, Western Australia, Series 4
IN articles published in previous issues of the Journal each of a number of potato fertiliser trials carried out in the Manjimup and Pemberton districts has been discussed and results reported.
This article briefly summarises the results of these trials carried out over the past four years and makes definite recommendations to potato growers in these districts regarding quantities of fertilisers to be used on new Red Karri loam soils.