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|b The experiment was carried out in one of the civil fields in the East of the Canal area in Baghdad city, to study the effect of inoculation with mycorrhiza fungus and spraying with the organic compound Terra-Sorb complex on growth indicators and yield of lettuce plant for the autumn agricultural season 2022. The experiment was conducted using a 3 × 3 factorial design with (Randomize Complete Block Design) with 3 replications, the averages were compared according to LSD test with a probability level of 0.05, The first factor with three levels is without inoculation of the fungus, the inoculation is 5 and 10 gm for each plant, coded (M1, M2, M3), and the second factor is spraying with the organic compound of amino acids in three concentrations (0, 2 and 3) ml. L-1 has the symbol (T1, T2, T3). The results showed a significant and clear superiority of the inoculation treatment with mycorrhiza 5 gm. For each plant with spraying at a concentration of 3 ml. L-1 with the organic compound Terra-Sorb complex in each of the characteristics of plant height (cm) and number of leaves (leaf). Plant-1 leaves content of chlorophyll mg. gm-1, and the marketing yield Ton.h-1 was (37.60, 65.07, 15.08, and 71.86), respectively, while the treatment of overlapping inoculation with mycorrhiza 10 gm was superior. For each plant with spraying at a concentration of 3 ml. L-1 in the organic compound Terra-Sorb complex for the content of the leaves of nitrogen and ascorbic acid, which amounted to 5.10% and 14.35 mg. 100 gm -1 compared to the control treatment, which gave the lowest values.
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