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Articles 1231 - 1260 of 1260
Full-Text Articles in Life Sciences
Reclaim Salty Soils With Bluebush, Department Of Agriculture, Western Australia
Reclaim Salty Soils With Bluebush, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
BLUEBUSH (Kochia brevifolia) is an Australian plant which can produce good yields of excellent feed when grown on grown well drained salty soils in the 12 to 15-inch rainfall districts of Western Australia.
The Control Of Grasses With Chemicals, G R W Meadly
The Control Of Grasses With Chemicals, G R W Meadly
Journal of the Department of Agriculture, Western Australia, Series 4
GRASSES are among man's greatest assets and usually he tries to encourage their growth.
The cereals, rice and many other grasses supply him with basic items of food and they are also important components of pastures which provide grazing for sheep and cattle.
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.
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.
Orchard Drainage, R G. Cahill
Orchard Drainage, R G. Cahill
Journal of the Department of Agriculture, Western Australia, Series 4
UNDERGROUND drainage of orchard land is an essential feature of fruitgrowing which is overlooked by many orchardists.
Soils should be adequately drained to cope with all winter rains.
Citrus Growers : Don't Blow Up Your Colouring Rooms, Department Of Agriculture, Western Australia
Citrus Growers : Don't Blow Up Your Colouring Rooms, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
THERE have been several dangerous incidents associated with the use of acetylene in citrus colouring chambers recently, and growers are warned to take care when using this explosive gas.
Automatic Waterers For Day Old Chickens, P Smetana, W. Ward
Automatic Waterers For Day Old Chickens, P Smetana, W. Ward
Journal of the Department of Agriculture, Western Australia, Series 4
ONE of the most tedious and time consuming tasks on a poultry farm is the provision of water to chicks from day old up to the age of three or four weeks.
Most poultry farmers use half-gallon glass fonts with metal bases for the first few weeks, until the chicks are old enough to use the automatic watering system usually situated along one wall of the brooder house.
This cumbersome glass font system can be replaced by the cheap and easily installed automatic watering system described below. This system has already been adopted by several local poultry farmers.
Palatability Of Forage Plants In North-West Sheep Pastures, R H. Collett
Palatability Of Forage Plants In North-West Sheep Pastures, R H. Collett
Journal of the Department of Agriculture, Western Australia, Series 4
A DECLINE in carrying capacity has occurred in large areas of the Pilbara district of the North-West, due to the decrease in palatable plants and the increase in unpalatable ones.
The relative palatability of the various species to sheep is therefore a matter of considerable importance to pastoralists.
Potassium Deficiency In Medium Rainfall Areas, William John Toms
Potassium Deficiency In Medium Rainfall Areas, William John Toms
Journal of the Department of Agriculture, Western Australia, Series 4
IT is well known that potassic fertilisers must be used for the successful growth of subterranean clover (Trifolium subterraneum L.) on many soils in the higher rainfall districts of Western Australia.
Recent investigations have shown that some soils in medium rainfall districts are also too low in potassium to grow healthy subterranean clover pastures.
Salty Seepages Can Be Productive, C V. Malcolm
Salty Seepages Can Be Productive, C V. Malcolm
Journal of the Department of Agriculture, Western Australia, Series 4
MUCH has been said and written concerning the use of Paspalum vaginatum for growing on seepage areas, but the general production to be expected from seepage areas has not received much attention.
The fact is that properly handled, seepage areas can be quite productive, and can be valuable for summer grazing.
Thirsty Cows Are Poor Milkers, S R. Dunstan
Thirsty Cows Are Poor Milkers, S R. Dunstan
Journal of the Department of Agriculture, Western Australia, Series 4
THE HOT summer weather is not far away, and now is a good time for the whole milk producer to attend to those points which will ensure that milk production is maintained at a high level during this period.
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.
The Use Of Lime In Market Gardens, Department Of Agriculture, Western Australia
The Use Of Lime In Market Gardens, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
THE term "lime" when used in relation to agriculture means any calcium containing material that is capable of correcting soil acidity.
While generally used for this purpose, lime has many other equally important functions in the soil.
Correcting Cobalt Deficiency, Laurence C. Snook
Correcting Cobalt Deficiency, Laurence C. Snook
Journal of the Department of Agriculture, Western Australia, Series 4
COBALT is essential in the food eaten by sheep and cattle. As little as one part of cobalt in 10,000,000 parts of food appears to be adequate.
But if this mere trace is missing, ruminants will waste away and die, even when the feed appears excellent In every other way.
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 …
Establishing Saltland Pastures, C V. Malcolm
Establishing Saltland Pastures, C V. Malcolm
Journal of the Department of Agriculture, Western Australia, Series 4
WITH the approach of winter, thoughts are turning to the seeding season. It will therefore be appropriate to discuss methods of establishing saltland pastures.
This discussion will be restricted to "bluebush," creeping saltbush, and old man saltbush. Seed of these plants is available from local stock firms.
Deferred Grazing : What It May Mean In The Mulga Region, W M. Nunn
Deferred Grazing : What It May Mean In The Mulga Region, W M. Nunn
Journal of the Department of Agriculture, Western Australia, Series 4
THE practice of deferred grazing has been written up in American textbooks and has been applied effectively to sections of the cattle range lands of the United States.
Early attempts to apply the principle in eastern Australia were not very successful, and it remained for our Departmental workers in the North-West and Kimberley Divisions to demonstrate the phenomenal results that could be obtained on grasslands in summer rainfall areas.
Wild Life In A Modern Age, Clee Francis Howard Jenkins
Wild Life In A Modern Age, Clee Francis Howard Jenkins
Journal of the Department of Agriculture, Western Australia, Series 4
THE present human population of the earth is estimated at about 2 1/2 thousand million, and reliable sources consider that this figure will be doubled by the year 2000.
Although the pessimistic forecasts of Malthus have not yet come true, it is obvious that the world's food requirements, must lead to increased exploitation of land and other primary resources, with consequent repercussions on all forms of wild life.
Black Spot Of Tomatoes, R F. Doepel
Black Spot Of Tomatoes, R F. Doepel
Journal of the Department of Agriculture, Western Australia, Series 4
BLACK SPOT DISEASE IS THE MOST SERIOUS FOLIAGE BLIGHT OF TOMATOES IN THIS STATE. IN SEASONS FAVOURABLE TO ITS DEVELOPMENT SEVERE DEFOLIATION AND FRUIT ROTTING ARE EXPERIENCED.
IN Western Australia, black spot, which is also known as early blight and target spot, is a troublesome disease of long standing. It is caused by the fungus Alternaria solani which also attacks potatoes.
Water Usage Trials With Bananas On The Gascoyne, W M. Nunn
Water Usage Trials With Bananas On The Gascoyne, W M. Nunn
Journal of the Department of Agriculture, Western Australia, Series 4
THE banana industry at Carnarvon is an unusual one by most agricultural standards.
Normally a tropical plant liking relatively humid conditions in a high rainfall, the banana is cultivated at Carnarvon in an area of extremely low rainfall and with relatively low humidity throughout the year.
Water is pumped to irrigate the crop from the sands of the Gascoyne River bed or from bores adjacent to the river course.
Feeding Pickled Wheat To Pigs, Department Of Agriculture, Western Australia
Feeding Pickled Wheat To Pigs, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
INQUIRIES are frequently received from farmers asking whether it is safe to feed pickled wheat to pigs, and if so, the quantities which would be suggested.
Until very recently there was no experimental information on the safety or possible dangers of these wheat pickling agents, but feeding trials completed last year at the Animal Health and Nutrition Laboratory, Nedlands, have provided some of the answers to these questions.
Weed Research. 7. Weed Control Around The Yard, Geoffrey A. Pearce
Weed Research. 7. Weed Control Around The Yard, Geoffrey A. Pearce
Journal of the Department of Agriculture, Western Australia, Series 4
MANY farmers and city householders have weed problems around houses and sheds which can be readily overcome by treatment with appropriate herbicides.
The risk from fire through weeds and unslightly growth can easily be removed and an area free of any plant growth can be maintained with little effort for a considerable period.
Studies In The Mulga Pastoral Zone. 1. The Grazing Of Wandarrie Grass Associations, D G. Wilcox
Studies In The Mulga Pastoral Zone. 1. The Grazing Of Wandarrie Grass Associations, D G. Wilcox
Journal of the Department of Agriculture, Western Australia, Series 4
THE establishment of the Wiluna office of the North-West Branch marked the commencement of a series of investigations into the pastures of the mulga zone.
Unlike the agricultural areas where a fund of knowledge exists on the growth habits of the pastures, the pastures of this area were completely unknown.
The preliminary investigations had to be aimed at forming an understanding of the reactions of the various plants to rain, to temperature and seasonal conditions and to grazing in an area of extremely low rainfall reliability.
Rabbit Control In 1960, C Marshall
Rabbit Control In 1960, C Marshall
Journal of the Department of Agriculture, Western Australia, Series 4
IN the year 1859, an enthusiastic sportsman in Victoria took delivery from the clipper "Lightning" of a small consignment of wild European rabbits which he joyfully released on his estate at Barwon Park, near Geelong, in order to assure himself of some rough shooting.
He was not the only rabbit importer on record—tame rabbits were brought into Australia before and after 1895 and doubtless there were other importations of the wild rabbit—but he is generally credited—or discredited—with having triggered off the rabbit plague.
Commercial Vegetable Growing In The Perth Metropolitan Region, L T. Jones
Commercial Vegetable Growing In The Perth Metropolitan Region, L T. Jones
Journal of the Department of Agriculture, Western Australia, Series 4
MARKET gardening with sprinkler irrigation on deep sandy soils around Perth is really a commercial application of hydroponics or sand culture principles.
Provision of a continuous and adequate supply of nitrogen is the major problem. Peat swamps scattered among the sandy areas have higher natural fertility. However, their common problems are drainage, acidity ("sourness"), salt and various special soil deficiencies. Over-liming of acid swamps can cause new problems.
The Development Of Western Australian Sand Plain Soils For Agriculture, Richard Philip Roberts, F. L. Shier
The Development Of Western Australian Sand Plain Soils For Agriculture, Richard Philip Roberts, F. L. Shier
Journal of the Department of Agriculture, Western Australia, Series 4
IN a recently published economic survey of the Australian wheat growing industry, it was reported that nearly two-thirds of the farms surveyed in Western Australia were located on lateritic "sand plain."
As a random selection was made of the eighty farms that were visited it is reasonable to conclude that a similar proportion of all the State's wheat producing farms are on that type of country.
This constitutes a remarkable change from the earlier days of wheat belt settlement when the sand plain soils were regarded as virtually useless and by-passed for development.
It is the purpose of this article …
Drought Feeding Of Sheep, Laurence C. Snook
Drought Feeding Of Sheep, Laurence C. Snook
Journal of the Department of Agriculture, Western Australia, Series 4
WHEN this talk on drought feeding of sheep was suggested conditions were very serious over large tracts of pastoral country.
Many stations had not received a worthwhile rain for over 12 months and it appeared that grazing animals would have to be fed if they were to survive.
Requests have been received for advice on the cheapest way to keep sheep alive. Drought feeding in any form is a gamble. There is always the risk that the stock will eventually die despite the consumption of much costly feed.
It follows that if an effort is to be made to save …
Some Results With Nitrogen Fertiliser On Cereals At Esperance Plain Research Station, William John Toms
Some Results With Nitrogen Fertiliser On Cereals At Esperance Plain Research Station, William John Toms
Journal of the Department of Agriculture, Western Australia, Series 4
ON newly-cleared land at Esperance Plain Research Station the use of sulphate of ammonia on cereals has proved profitable over a number of seasons.
The response to sulphate of ammonia varies markedly with the season.
Bluebush Seed Supplies, C V. Malcolm
Bluebush Seed Supplies, C V. Malcolm
Journal of the Department of Agriculture, Western Australia, Series 4
A GREAT deal of publicity has been given of late to the value of bluebush (Kochia brevifolia) as a plant for some types of salt-affected land, particularly in the drier parts of the wheatbelt.
Obtaining seed supplies can be a problem, but fortunately large amounts of seed are not required since once a few bushes are established they will spread seed over the intervening areas.
Thus rates of 1 to 2 lb of seed per acre have been found quite satisfactory.
Granular Fertiliser, C R. Hale
Granular Fertiliser, C R. Hale
Experimental Summaries - Plant Research
There is general agreement that granulation of fertilisers improves their physical characteristics with respect to handling, storage and distribution in the field. These physical advantages rather tan any established agronomic reason appear to be responsible for the increasing use of granular fertiliser.