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Catalogue: Ground Cover
Delaying top-up nitrogen (N) applications until canola crops are flowering is unlikely to incur big yield or oil production penalties in lower-rainfall parts of the Western Australian grainbelt... Mr Seymour says at the majority of sites across the two years, delaying N application until eight or 12 weeks after sowing (near to flowering) or splitting applications produced similar yield results to earlier times of N application... Mr Seymour says splitting applications to 25kg N/ha at sowing and 25kg N/ha eight or 12 weeks later had a better effect on oil and yield than applying a single dose of 50kg N/ha near flowering...
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Catalogue: Ground Cover
Delaying top-up nitrogen (N) applications until canola crops are flowering is unlikely to incur big yield or oil production penalties in lower-rainfall parts of the Western Australian grainbelt... Mr Seymour says at the majority of sites across the two years, delaying N application until eight or 12 weeks after sowing (near to flowering) or splitting applications produced similar yield results to earlier times of N application... Mr Seymour says splitting applications to 25kg N/ha at sowing and 25kg N/ha eight or 12 weeks later had a better effect on oil and yield than applying a single dose of 50kg N/ha near flowering...
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Catalogue: GRDC Updates
Over the past three seasons Grain Orana Alliance (GOA) has undertaken six trials to help examine the impact of windrowing timing on oil, yields and profitability... Yields were measured with mobile weigh bins with the exception of Nyngan which was weighed over a weighbridge... Warren 2011 the trial compared a single windrowing timing at 85% colour change to direct heading with a draper header front fitted with a finger reel and top auger...
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