| http://www.w3.org/ns/prov#value | - Manure is a mix of slow-release organic nitrogen and organic matter; synthetic nitrogen fertilizer is pure, readily available nitrogen. ???It is much more likely that the decline in SOC is due to the change in the form of fertilizer than to the rate of fertilizer applied,??? Reid writes.Then he makes a startling concession:From the evidence presented in this paper, it would be fair to conclude tha
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