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Full-Text Articles in Physics
The Effects On Plant Growth, W M. Porter, J. S. Yeates
The Effects On Plant Growth, W M. Porter, J. S. Yeates
Journal of the Department of Agriculture, Western Australia, Series 4
The level of acidity of a soil reflects its chemical and sometimes its biological condition. Changes in acidity mean changes in the availability to plants of some soil elements, and modifications to the biological processes in the soil.
Some elements become more available to plants in acis soils, and in some soils particular elements can reach toxic levels. Other elements can be effected in the opposite way: deficiencies can develop in acid conditions.
It is important to realise, however, that the chemical nature of all soils varies. Beccause of these variations, acidity can affect each soil differently and thus influence …
Pumping And Horsepower, R P. Harington
Pumping And Horsepower, R P. Harington
Journal of the Department of Agriculture, Western Australia, Series 4
WATER is vital to the survival of plants and animals and its availability will influence the site of the homestead and the farm layout generally.
This article describes some of the factors involved in the installation of a pumping outfit for domestic and stock requirements.