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This Fertiliser Calculator compares the nutrient content of more than 1500 commercially-available fertilisers.

Annual ryegrass (Lolium rigidum) is one of the most serious and costly weeds of annual winter cropping systems in southern Australia.

Dried flowers are a popular longer-lasting alternative to fresh flowers. A number of methods can be used to dry flowers but some basic principles apply generally such as drying as fast as possible

Various insects and mites can damage native plants in home gardens. A description of some of the more important insect pests is given here, together with general methods for control.

Aluminium toxicity in the subsurface is the major problem associated with soil acidity in Western Australia.

Many new navel and Valencia orange varieties have become available in recent years and are currently being evaluated under West Australian conditions.

Western Australia has a low prevalence of citrus pests and diseases compared to most other countries.

This page provides guidelines for sampling, measuring, assessing and reporting soil organic carbon in agricultural soils of Western Australia.

Powdery mildew is the most persistent fungal problem of grapes in WA and one of the most widespread fungal diseases of grapevines in the world.

Nitrous oxide, a highly active greenhouse gas, is released from pastures and crops using nitrogen fertilisers.