Summary
This pot experiment evaluated 17 peat-based substrate combinations with domestic materials (perlite, leonardite, vermicompost) for tomato cultivation in Turkey, aiming to identify cocopeat alternatives. Vermicompost mixtures, particularly 1:1 peat + vermicompost, produced the highest fruit yields and biomass, whilst also achieving superior leaf and fruit nutrient concentrations. The findings suggest peat-vermicompost combinations are viable alternatives to cocopeat for soilless tomato production.
Regional applicability
This research was conducted in Turkey and addresses substrate sourcing for protected horticultural production. Whilst the specific domestic materials tested (leonardite, vermicompost availability) are regionally contextualised, the methodology and peat-based approach are transferable to United Kingdom glasshouse tomato production, where substrate choice and peat reduction remain active concerns for commercial growers.
Key measures
Leaf and fruit nutrient concentrations, fruit yield (kg), plant biomass weight (g), substrate combinations at 1:1, 1:2, and 1:4 volume ratios
Outcomes reported
The study measured mineral nutrient concentrations in leaves and fruits, plant biomass weight, and fruit yield of tomato grown in various peat-based substrate combinations. The research evaluated peat mixtures with domestic materials (perlite, leonardite, vermicompost) as alternatives to cocopeat in soilless cultivation.
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