Effect of substrates formulated with organic materials on yielding, commercial and phytochemical quality, and benefit-cost ratio of tomato (Solanum lycopersicum L.) produced under greenhouse conditions

The objective of this study was to evaluate the effect of substrates formulated with different blends of sand-solarized manure and sand-vermicompost over yield, commercial and phytochemical quality of greenhouse tomatoes, and in addition to determine their benefit-cost (B/C) ratio for organic produc...

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Bibliographic Details
Published in:Notulae botanicae Horti agrobotanici Cluj-Napoca 2021-01, Vol.49 (1), p.11999
Main Authors: FORTIS HERNANDEZ, Manuel, ANTONIO-ORDOÑEZ, Eliever, PRECIADO-RANGEL, Pablo, GALLEGOS-ROBLES, Miguel A., VÁZQUEZ-VÁZQUEZ, Cirilo, REYES-GONZALES, Arturo, ESPARZA-RIVERA, Juan R.
Format: Article
Language:English
Subjects:
Agricultural economics
Composting
Crop yield
Fruits
Functional foods & nutraceuticals
Greenhouses
Lycopene
lycopene
organic production
phenolics
tomato
vermicompost
Manures
Mixtures
Organic materials
Phenolic compounds
Phenols
Phytochemicals
Sand
Solanum lycopersicum
Substrates
Tomatoes
Vermicomposting
Worms
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Summary:The objective of this study was to evaluate the effect of substrates formulated with different blends of sand-solarized manure and sand-vermicompost over yield, commercial and phytochemical quality of greenhouse tomatoes, and in addition to determine their benefit-cost (B/C) ratio for organic production of tomato. Six substrates were established consisting in blends of sand with 20, 30 or 40% of solarized manure (SM20, SM30 and SM40), and 20, 30 and 40% of vermicompost (VC20, VC30 and VC40), and control (TA) of sand fertilized with Steiner solution. Fruit yielding, commercial (fruit size, equatorial and longitudinal diameter, firmness, and soluble solids content), and nutraceutical quality (phenolic and lycopene content) were evaluated. In addition, cost-benefit (B/C) ratio of treatments was compared. Micro morphological analysis of the organic materials showed microscopic differences that could affect substrate functional properties. Substrate type affect yielding, and VC40 substrate had a higher yield than SM substrates, but SM20 had the highest phenolic and lycopene content in fruit, in addition to the highest cost-benefit production ratio (2.31). These results confirm that substrates formulated with blends of sand and either SM or VC can be used for organic production of tomato fruits with an adequate commercial and phytochemical quality without affecting yield, additionally to the economic advantages of such substrates for protected agriculture systems.
ISSN:0255-965X
1842-4309
DOI:10.15835/nbha49111999