Posted 11/22/2009 23:34 (#934823 - in reply to #933727) Subject: Re: N release of Tillage Radishes in the spring
One other thing to consider is that some studies have found that decomposing brassica residues inhibit nitrification... this might be briefly discussed in the Weil and Kremen article.
I don't know if nitrification inhibition has specifically been observed for tillage radish.