It's all in the timing

22 Sep, 2005 07:00 PM
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APPLYING more nitrogen and sulphur later may be all that is needed for a better canola crop, according to Farm Focus Consultants site consultant Geoff Fosbery.

While demonstrating a trial of fertiliser manipulation on canola during the WANTFA Spring field days, Mr Fosbery said the timing of the application might be the answer to farmers' concerns about canola.

"A lot of people are not happy with canola," Mr Fosbery said.

"What we are looking at are the levels of nitrogen and sulphur applied to the crop.

"It is the timing of the application of fertiliser."

The trial was in a medium to low rainfall period and the most successful application occurred when a split application of the fertilisers was applied.

Mr Fosbery said farmers tended to read the books, but the books mentioned canola results from Kojonup, which had different soil types and rainfall than other areas like Meckering.

Farmers could suffer from canola crop failures in dry seasons and one way to decrease the risk of financial loss was to defer the application of inputs until better rainfall predictions were available.

"You can put more on after seeding with canola than you can with wheat and still get a good result at the end of the day," Mr Fosbery said.

The most succesful crop during trial included 20pc nitrogen, 50pc sulphur and 100pc potassium at seeding using MacroPro Extra.

Six weeks after seeding, 60pc nitrogen, 30pc sulphur and 50pc potassium was applied using Flexi-N, Urea and MOP.

To complete the trial, 20pc nitrogen and 20pc sulphur were added at bolting using Flexi-N.

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