Nodulation success by two indigenous Rhizobium
trifolii serogroups, 6 and 36, on subterranean clover
(Trifolium subterraneum L.) was affected by the addition
of phosphate to Abiqua soil (Ultic Haploxeroll). To
understand the impact of phosphorus nutrition on the
survival and nodulation characteristics of the two
serogroups, studies were carried out...