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Effect of Food Waste Compost (FWC) and its Non-Aerated Fermented Extract (NFCE) on Seeds Germination and Plant Growth

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Document pages: 17 pages

Abstract: The aimof this study was to investigate the effect of the food wastes compost (FWC)and its non-aerated fermented extract (NFCE) on seed germination and growth of tomato (Solanum lycopersicum L.), watercress(Nasturtium officinale),chili pepper (Capsicum annuum),peas (Pisum sativum L.), chickpea (Cicer arietinum) and beans (Vicia faba) under greenhouseconditions. The FWC and NFCE were physico-chemically and microbiologicallycharacterized. The NFCE effect was evaluated on tomato, watercress, and chilipepper seeds germination and seedling growth. However, for leguminous, pea,chickpea and bean seedlings, the FWC amended soils and irrigated with NFCE weretested for plants growth. The results of FWC analyses revealed that FWC has neutral pH, low EC and C N ratio, with fertilizingelements (N, P, K and Mg) and lack of phytotoxic effect. The NFCE wascharacterized by low EC and relatively high carbon content (COD = 9700 mg l),and intense microbial activity, notably mesophilic bacteria. Therefore, in fermentedcompost extract, mesophilic bacteria were increased by 225, yeasts by 25 andmolds by 10 times compared to those of the investigated compost. In greenhouse,the diluted NFCE increased significantly (p

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