Potential use of Coffee Bean Parchment as Substrate for Soilless Tomato (Solanum Lycopersicum L.) Cultivation in Gabon

Kassi Fernand, Assani Soulaïmana, Bomisso Edson Lezin, N’dri Konan Lazare, Assa Rebecca epse Yao and Ake Severin

International Journal of Sciences, 2019, vol. 8, issue 09, 58-67

Abstract: This work proposes to promote coffee bean parchment as substrate of soilless tomato plant cultivation by looking for the adequate particle-size distribution and the optimal dose of calcium hypochlorite to be used for disinfecting the substrate. Substrates with different particle-size distribution (2.8, 2.25 and 1.85 mm in diameter) were subjected to direct (porosity, specific humidity, pH, organic matter, mineral content, carbon content) and then indirect morphological characterization after disinfection or not with different doses of calcium hypochlorite (10; 20; 30; 40 g/l), based on germination and height growth estimates of the plants produced. The results showed that the physicochemical properties of substrates S1 (raw bean parchment) and S2 (bean parchment screened with 2.85 mm-mesh sieve) were close to those of the reference substrate (FC), which was coir. With respect to calcium-hypochlorite disinfected culture substrates, the substrates (S1: raw bean parchment + 10 g/l of calcium hypochlorite) and (S2: bean parchment screened with 2.85 mm-mesh sieve + 10 g/l calcium hypochlorite) were the best regarding the combination of physicochemical and vegetative parameters of tomato plants and could be recommended as substrate for substituting coir (FC).

Keywords: Coffee Bean Parchment; Physicochemical Characteristics; Soilless Cultivation; Tomato (search for similar items in EconPapers)
Date: 2019
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DOI: 10.18483/ijSci.2178

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