TheRhizobiumcontent af cammercial inaculants has been increased since the time these preparatians were intraduced to replace the formerly used agar cultures. Regardless of the presence of ather arganisms, the powder inaculants now in use are effective in lucerne nodulation and nitrogen fixaJtion. No benefit was demonstrated in favour af disinfectian af lucerne seed priar to inoculatian, while in seed pelleted with lime there was a decline in the survival of rhizabia aver a 3-months' periad.
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