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Yield response to applied nitrogen (N) in lower rainfall areas is often relatively low and may also reduce oil.

This trial investigated better matching canola varieties in the northern agricultural region to sowing time to see if yields could be increased.

This trial investigated if feeding damage caused by cabbage aphid causes yield loss in canola. The trial was established to re-investigate management guidelines for aphid colonies in canola.

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

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. 

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.

Previous experience with canola has found there is no yield penalty if nitrogen is applied within eight weeks of sowing and most farmers aim to apply nitrogen within this timeframe.