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Articles 1681 - 1710 of 1914
Full-Text Articles in Life Sciences
Broom Millet In The Market Garden, James P. Fallon
Broom Millet In The Market Garden, James P. Fallon
Journal of the Department of Agriculture, Western Australia, Series 4
WHEN we think of broom millet we usually regard it as a crop for growing either under flood irrigation or in summer moist swamps for the sole purpose of producing straw for brooms.
However, the particular characteristics of the broom millet plant make it adaptable for use in the market garden as an excellent windbreak and rotation crop.
Third West Australian Random Sample Egg Laying Test : 1959-1960, R H. Morris
Third West Australian Random Sample Egg Laying Test : 1959-1960, R H. Morris
Journal of the Department of Agriculture, Western Australia, Series 4
AS part of the poultry improvement plan for Western Australia, the Department of Agriculture inaugurated a random sample laying test for commercial grade chickens at the Poultry Research Station, Herdsman Lake, in 1957.
The results of the first test appeared in the May-June, 1959 issue of the Journal of Agriculture and those of the second test in the June, 1960 issue.
Vitamins And Their Relationship To Animal Health, J Shilkin
Vitamins And Their Relationship To Animal Health, J Shilkin
Journal of the Department of Agriculture, Western Australia, Series 4
NUTRITIONAL problems are assuming more and more importance in stock as the years progress and while much stress is sometimes placed on the role of vitamins in nutrition, one should not lose sight of the fact that they are only part of a balanced ration which should include other constituents, such as proteins, carbohydrates and fats in suitable proportions.
Honey Flora Calendar For March, R S. Coleman
Honey Flora Calendar For March, R S. Coleman
Journal of the Department of Agriculture, Western Australia, Series 4
A look at flora available in March
Castor Beans : Ricinus Communis Linn, T Pavy
Castor Beans : Ricinus Communis Linn, T Pavy
Journal of the Department of Agriculture, Western Australia, Series 4
MANY people have seen the wild castor oil plants around the metropolitan area, growing in rubbish dumps, and waste lands.
But they have not realised that the demand for castor oil has been increasing over the last 15 years.
Although one of its main uses is in the lubrication of jet engines, it is also used in plastics, special low temperature lubricants, hydraulic fluids, paints, varnishes, textiles and pharmaceutics.
Minor Elements Can Be Overdone, L T. Jones
Minor Elements Can Be Overdone, L T. Jones
Journal of the Department of Agriculture, Western Australia, Series 4
T H E term "minor elements" which is now commonly used and well understood by farmers and gardeners, refers to the five essential plant foods—copper, zinc, manganese, molybdenum and boron.
These five essential plant foods are needed by all plants in minute quantities and it is relatively easy to use them in excess of actual requirements or even in toxic amounts.
In practice this is not usually a problem with cereals and pastures. The important exception is when zinc alone is added to a cereal crop low in copper and the extra zinc accentuates the copper deficiency, and poorer yields …
Healthy Pastures, F E. Ryan
Healthy Pastures, F E. Ryan
Journal of the Department of Agriculture, Western Australia, Series 4
IN sweeping away forests to make room for pastures we have taken on the responsibility of maintaining these areas in a condition suitable for the growth of pasture plants.
This is done by a choice of suitable species, fertilising, cultivating, drainage, control of grazing and by weed and insect control.
Citrus Growing In The Home Garden, Frank Melville
Citrus Growing In The Home Garden, Frank Melville
Journal of the Department of Agriculture, Western Australia, Series 4
ALTHOUGH well suited to our climate, citrus trees do not always thrive in the metropolitan area because of the unsuitable soil conditions in some suburbs.
Lemons can usually be grown successfully and grapefruit are worth persevering with, but oranges and mandarins are better suited to the loamy soils of the Gosnells, Guildford and Hills districts.
Tree Lucerne : A Fodder Crop With A Future, Laurence C. Snook
Tree Lucerne : A Fodder Crop With A Future, Laurence C. Snook
Journal of the Department of Agriculture, Western Australia, Series 4
IN December, 1952, an article was published in this Journal drawing attention to the potential value of white flowered tree lucerne (Cytisus prolifer) as a source of nutritious green fodder during the dry summer months.
Figures were quoted to show that heavy yields could be obtained year after year with very little effort, and no outlay other than for fertiliser.
The advantages to be gained from the cultivation of this tree were made very apparent and many farmers set out to grow the shrub.
Cover Spraying For The Control Of Celery Leaf Spot. Part 2, S C. Chambers
Cover Spraying For The Control Of Celery Leaf Spot. Part 2, S C. Chambers
Journal of the Department of Agriculture, Western Australia, Series 4
SEVERAL additional cover spray schedules for the control of leaf spot in winter celery, have been evaluated during the past two years.
The most satisfactory of these is one in which Bordeaux 4 : 4 : 40 is replaced by Ziram for the last two applications before harvest.
Worms In Poultry, H D. Seddon
Worms In Poultry, H D. Seddon
Journal of the Department of Agriculture, Western Australia, Series 4
WORMS occurring in poultry in Western Australia include both round worms and tapeworms.
However, the intestinal round worm (Ascaridia galli) which is found in the small intestine and duodenum is by far the most important and its effects the most serious.
Castor Beans In Trial Plantings : Bundidup Research Station, Wokalup, 1959-60, T Pavy
Castor Beans In Trial Plantings : Bundidup Research Station, Wokalup, 1959-60, T Pavy
Journal of the Department of Agriculture, Western Australia, Series 4
THE main producing countries of the world are Brazil, India, U.S.S.R. and U.S.A. This means Australia has to import her supplies of castor oil, which has led to great interest in the possibility of growing castors in Australia.
Since the turn of the century, this interest has been increasing, and has accelerated in recent years, but it has never passed the experimental stage.
Dwarf Fruit Trees, Frank Melville
Dwarf Fruit Trees, Frank Melville
Journal of the Department of Agriculture, Western Australia, Series 4
IN this country where most fruits and particularly apples and pears are grown without irrigation, heavy crops and summer stress restrict tree size.
The aim of most growers therefore, has been to grow larger trees and little interest has been shown in trees with dwarfing tendencies.
However, in countries with ideal conditions for growth, trees tend to grow too big and become uneconomic in terms of labour costs.
Registered Fertilisers : 1960-61, Department Of Agriculture, Western Australia
Registered Fertilisers : 1960-61, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
THE FOLLOWING REGISTERED FERTILISERS AND ANALYSES ARE SUPPLEMENTARY TO THE LIST PUBLISHED IN THE JANUARY 1961 ISSUE OF THE JOURNAL OF AGRICULTURE
Bordeaux Mixture, Department Of Agriculture, Western Australia
Bordeaux Mixture, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
BORDEAUX mixture is still proving a most effective spray against many serious plant diseases in this State despite the increasing use of the newer organic fungicides.
When properly made and applied it adheres to the plants with great tenacity and strongly resists the weathering action by rain.
Incubation, R V. Vagg
Incubation, R V. Vagg
Journal of the Department of Agriculture, Western Australia, Series 4
TH E artificial incubation of eggs is not a recent innovation. For many centuries, some species of birds—our mallee-hen being a typical example—have hatched out their eggs by the heat generated in mounds of decaying vegetation.Furthermore, they have shown considerable skill in maintaining the mounds at uniform temperatures throughout the hatching period.
A number of reptiles employ similar methods to hatch their eggs, although in these instances there does not seem to be the same need for carefully-controlled temperatures
Bare Patch And Poor Emergence Of Cereals : Factors Under Investigation. 1. Seed Treatment And Moisture Content, S C. Chambers
Bare Patch And Poor Emergence Of Cereals : Factors Under Investigation. 1. Seed Treatment And Moisture Content, S C. Chambers
Journal of the Department of Agriculture, Western Australia, Series 4
UNDER the relatively dry climatic conditions of Western Australia, over-dosages of organic mercury dusts had no apparent ill-effects upon wheat emergence, irrespective of the initial moisture content of the seed.
However, seedling counts were significantly less, with seed of a high moisture content.
Is Your Water Supply Safe?, D C. Mickle
Is Your Water Supply Safe?, D C. Mickle
Journal of the Department of Agriculture, Western Australia, Series 4
THERE can be no doubt in anyone's mind that the need for a clean, safe and adequate water supply is essential for the production of high quality milk and cream.
It naturally follows, that, even though every possible care has been taken in an endeavour to produce clean, germ-free milk and cream, contamination by bad water can render these efforts void.
Insect Pests And Their Control, Clee Francis Howard Jenkins
Insect Pests And Their Control, Clee Francis Howard Jenkins
Journal of the Department of Agriculture, Western Australia, Series 4
METHODS of insect control are sometimes classified under the following four headings— Quarantine, Cultural Methods, Biological Control and Chemical Treatments.
Each method has its own particular part to play in preventing the spread and multiplication of insect pests and it is essential for maximum results that everyone— whether he be a commercial grower or a backyard gardener—has a general understanding of the principles involved.
Points On Producing Better Pigs, P C. Beck
Points On Producing Better Pigs, P C. Beck
Journal of the Department of Agriculture, Western Australia, Series 4
THERE are many factors to be considered in the production of quality pigmeat which today is the demand of the housewife.
Poor quality means two things, bad advertisement for the industry and low returns to the producer.
Carton Packs For Granny Smiths, J S. Bloomfield
Carton Packs For Granny Smiths, J S. Bloomfield
Journal of the Department of Agriculture, Western Australia, Series 4
CONSIDERABLE quantities of Granny Smiths will be exported in carton containers in the 1961 season.
Last season an inaugural trial of tray pack cartons was shipped to the United Kingdom but this year will see the first use of cell pack cartons.
Time Of Lambing Experiment : Merredin Research Station, 1959-60 (Progress Report), W L. Mcgarry, I. K. Stott
Time Of Lambing Experiment : Merredin Research Station, 1959-60 (Progress Report), W L. Mcgarry, I. K. Stott
Journal of the Department of Agriculture, Western Australia, Series 4
FOLLOWING upon the Time of Lambing Experiments at Esperance Plains Research Station (Journal of Agriculture, May, 1960) it was decided to carry out similar work with Merino sheep under the relatively harsher environment at Merredin Research Station.
Chemical Poisoning In Animals. 1. Arsenic, H D. Seddon
Chemical Poisoning In Animals. 1. Arsenic, H D. Seddon
Journal of the Department of Agriculture, Western Australia, Series 4
ARSENIC is poisonous to all animals and to man in quite small amounts and exposure to poisoning is often a result of human carelessness.
It is present in many chemical dips used for control of insect parasites on stock, and in agricultural fruit sprays and weed killers whose relative cheapness makes their use economical.
However, their potential danger and the economic loss they may cause are a disadvantage.
The Cornish Pasty, H M. Gloster
The Cornish Pasty, H M. Gloster
Journal of the Department of Agriculture, Western Australia, Series 4
"Pastry rolled out like a plate, Piled with turmut, tates and mate, Doubled up and baked like fate, That's a Cornish Pasty".
If the average Australian woman was was asked for a description of a Cornish pasty, her answer would tally fairly accurately with the above lines.
Bare Patch And Poor Emergence Of Cereals : Factors Under Investigation. 2. Depth Of Planting, S C. Chambers
Bare Patch And Poor Emergence Of Cereals : Factors Under Investigation. 2. Depth Of Planting, S C. Chambers
Journal of the Department of Agriculture, Western Australia, Series 4
DEPTH of planting appears to have an important influence upon the emergence of a cereal crop. Increasing the depth by one inch within the range 1-5 inches, not only depressed the emergence counts of wheat seedlings, but also increased the number which emerged abnormally.
Potatoes Sprinkler Irrigated From The Collie River, John W. Lewis
Potatoes Sprinkler Irrigated From The Collie River, John W. Lewis
Journal of the Department of Agriculture, Western Australia, Series 4
THE highly productive soils of the flats along the Collie River at Roelands are an important source of many of our summer grown potatoes in this State.
Large areas are planted year after year, the record being held by Mr. Clarry Cox of Roelands, who has planted potatoes on the same seven acres every season since 1922.
The Use Of Nitrogenous Fertilisers For Cereal Grain Production In Western Australia, William John Toms, G. H. Burvill
The Use Of Nitrogenous Fertilisers For Cereal Grain Production In Western Australia, William John Toms, G. H. Burvill
Journal of the Department of Agriculture, Western Australia, Series 4
NITROGENOUS fertilisers have so far been little used in Western Australia for wheat, oats and barley grown for grain.
However, profitable results can follow their use under some conditions. Farmers who have seen field experiments are now interested in the use of nitrogenous fertilisers.Further interest will be stimulated by recent reductions in price.
This article answers common questions asked by farmers about nitrogenous fertilisers for cereals. It is based on over 100 experiments conducted by the Department of Agriculture during the past 30 years.
Honey Flora Calendar For May, R S. Coleman
Honey Flora Calendar For May, R S. Coleman
Journal of the Department of Agriculture, Western Australia, Series 4
Flora available in May
Potato Variety Trial, James P. Fallon, G. C. De Haan
Potato Variety Trial, James P. Fallon, G. C. De Haan
Journal of the Department of Agriculture, Western Australia, Series 4
DELAWARE has been the only variety of Potato grown commercially in Western Australia. This is due to the fact that in the past an early maturing variety with a short dormancy period has been required to suit both hill plantings and swamp crops.
However, with the advent of sprinkler irrigation and hence better control of moisture and growing conditions, the need for early maturing varieties has ceased to exist in some districts.
There has been consequently an increasing interest in testing varieties which have proved high yielding and of good quality in other parts of the world.
Winter Pests In The Pasture, P N. Forte
Winter Pests In The Pasture, P N. Forte
Journal of the Department of Agriculture, Western Australia, Series 4
ALTHOUGH the pests concerned in attacking winter pastures are known to most farmers a discussion of their control and relative importance will not be out of place.
The principal pests concerned fall into two groups. Firstly the red-legged earth mite and lucerne flea whose attacks are most noticeable soon after germination and secondly a group of caterpillars which appear about the same time and whose attack is not noticed until a large amount of damage has been done.