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Solid manures release nitrogen slowly

September 12, 2014 – Solid hog and cattle manures release nitrogen slower than many farmers have assumed.

Research at the University of Manitoba has found that much less than the 25 per cent release cited in government publications is actually available to crops in the first year after solid manure is applied.

Trevor Fraser, a University of Manitoba soil fertility technician, said using the measuring sticks of nitrogen and yield, solid manures performed poorly in field trials at the Glenlea Research Station south of Winnipeg. READ MORE