Rhizobium isolates Source RL1 Menoufia governorate RL2 Menoufia governorate RL3 Gharbia governorate RL4 Gharbia governorate RL5 Gharbia governorate RL6 North Sinai governorate RL7 Behira governorate RL8 Dakhalia governorate RL9 Giza governorate RL10 Sharkya governorate RL11 Ismailia governorate

Table 1: Rhizobium isolation governorates