he corresponding bacterial culture (108 cfu mL−1). In controltreatments,
1 mL of sterilized bacterial culture was added.
Five grams of autochthonous AMF or Ri were inoculated per pot,
having an average of 30 spores/g of soil and roots with 70% of AM
colonization. These were applied to each one of the appropriate
pots at sowing time just below to the seeds.
A suspension of Rhizobium trifolii was added to each pot
(1 mL 108 cfu per pot). This was prepared following standard procedure
(Azcón, 1993).