| Summary: | The aim of this study to improve the production of tomato and strawberry plants in soilless culture. This experiment was carried out to study effect of the planting distances (D30, D40), Overlapping (mixed culture) of the tomato plant only and with strawberry plant (L0, L1), and foliar application by Biozyme (B0, B1) on growth and productivity of the plants. The results revealed that planting of tomato at a distance 40 cm by using ring culture (soilless) had a significant superiority in the chlorophyll content (61.15); diameter of the tomato stem (13.47 mm); fruits number of tomato (22.78); fruit weight of tomato (206.88 g) and total plant yield of tomato (4.71 kg.plant−1). In addition, for strawberry plant had a significant superiority in the fruits number (16.25); fruit weight (25.20 g), total plant yield (408.55 g plant−1, 1634 g m−2 and 389.47 kg greenhouse-1). The planting of tomato at a distance 30 cm had a significant superiority in the plant high (210.88 cm) and total plant yield of tomato (22.86 kg m−2 and 5.69 ton greenhouse-1). Foliar application of Biozyme alone and combined treatment D30 B1 had a significant superiority in the yield of the strawberry plant (340.08 g plant−1 and 269.70 g.plant−1, respectively).
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