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The research aims to reduce the use of synthetic chemical fertilizers by utilizing microorganisms that can spur plant growth and also aims to improve the ability of tomato plant growth on dry soil through the utilization of mycorrhizal. This study begins by soaking the seeds of tomatoes for 20 minutes in a suspension of P.alcaligenes and Bacillus sp. with population density are 2.108 cfu and 3.108 cfu. The next tomato seeds seedling and planted in polybags already filled planting medium with Mycorrhizal or without Mycorrhizal. The results showed that soaking tomato seeds with suspense P. alcaligenes and Bacillus sp. or a combination of both types of bacteria are significant effect (P <0.05) on all parameters were observed, namely: tomato plant height, leaf number tomatoes, weight of fresh stems, weight and number of fruits, and root length of tomato plant. Similarly, the addition of Mycorrhizal significant effect (P<0.05) on all parameters observed. Tomato seed soaking treatment with suspense P. alcaligenes and Bacillus sp. can increase the number of leaves until 10.54%, 55.16% plant height, stem fresh weight 4.04%, fruit weight 344.44%, 162.83% fruit number, and root length of 17.90.% compared to control. The planting of tomato seed after soaking in suspense rizobacteria P. alcaligenes and Bacillus sp. on planting medium containing Mycorrhiza can increase the number of leaves up to 21.60%, plant height 7.67%, stem weight 30.62%, fruit weight 40.83%, fruit amount 30.04%, and length the roots of 35.03% compared with no addition of Mycorrhiza.

THE ROLE OF RIZOBACTERIA PSEUDOMONAS ALCALIGENES, BACILLUS SP. AND MYCORRHIZAL FUNGI IN GROWTH AND YIELD OF TOMATO PLANTS