Under field conditons, the spacing between plants is varying from 1 m to 1.2 m. However the spacing is varying from 30 cm to 80 cm when we go for growing tomato in horizontal grow bag under hydroponics. What will be the idle spacing for tomato under these situations?
Under greenhouse conditions we use 2.3 - 2.5 plants per m² (planting in rockwool slabs). Usually 2 plants per slab (100*15 cm) in double-rows, but if the row distance more than 1m, than it is possible to set 3 plants per rockwool slab.
There are more factors that can affect optimal spacing for tomato in horizontal bags under hydroponics than in field. As Thorsten Rocksch said - it depends on slab size.
Please consider also that for some cultivars (e.g.: small fruits) and in some growing cnditions two stems per plant are trained. In this case the distance should bereduced.
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