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In the trial series at Grass Patch, Ballidu, Merredin and Holt Rock, the highest grain yields, oil and gross margins were from the open pollinated variety, so growers should continue to use open po

Green or brown manuring is the practice of returning plant material to a soil to increase soil organic matter, improve soil fertility and reduce weeds.

In general, as long as nitrogen is applied within eight weeks of sowing, there is no yield penalty.

In general, as long as nitrogen is applied within eight weeks of sowing, there is no yield penalty. 

This page provides links to information on the constraints and characteristics of each soil group, soil profile images and maps showing where soil groups are located in Western Australia.

In general, as long as nitrogen is applied within eight weeks of sowing, there is no yield penalty.

In general, as long as nitrogen is applied within eight weeks of sowing, there is no yield penalty.

Canola is now being grown in low rainfall areas. Primarily farmers choose open pollinated TT varieties.

Western Australia remains relatively free of pests and diseases that adversely affect our agricultural industries and environment.