Here' s a few links about pea innoculants:
http://www.filareefarm.com/fert.html
http://www.mrs.umn.edu/pyg/tips/vege.../tip_815.shtml
http://www.promarkseed.com/general.html#seedtreatment
http://csf.colorado.edu/archive/2002.../msg04442.html
I agree with Farm hunter about the need for innoculants. The last link talks about mixed innoculants " garden mixtures" working to some extent on peas.
Dan O.