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Use of By-Products from the Tequila Industry. Part 12: Composted Agave Bagasse for Growing Grape Tomatoes

American Journal of Plant Sciences 2022年第9期13卷 1227-1232页

作者： Gilberto Íñiguez-covarrubias Walter Ramírez-Meda José De Jesús Bernal-Casillas Gil Virgen-Calleros Departamento de Madera Celulosa y Papel Centro Universitario de Ciencias Exactas e Ingenierías Universidad de Guadalajara Guadalajara México Departamento de Ingeniería de Proyectos Centro Universitario de Ciencias Exactas e Ingenierías Universidad de Guadalajara Guadalajara México Departamento de Producción Agrícola Centro Universitario de Ciencias Biológicas y Agropecuarias Universidad de Guadalajara Guadalajara México

Here, we evaluated the possibility of growing grape tomatoes on three different mixtures of composted agave bagasse substrate. Tomatoes were grown in 28-L pots for 106 days under a drip irrigation system with a hydroponic crop nutrient solution. The average production of grape tomatoes was 338.9, 358.9, and 325.7 g/pot/cut for each of the substrates studied, and no significant difference was observed between treatments (p > 0.5). The mean of numbers of grape tomatoes were 34.6, 38.8, and 34.2/pot/cut for each of the substrates studied, and no significant difference was observed between treatments (p > 0.5). The mean weight of individual grape tomatoes was about 10.4 g for all of the substrates tested. These results confirmed the notion that a composted agave bagasse substrate could replace an expensive imported substrate. The remaining challenge is to produce agave bagasse substrate commercially, because to date, agave bagasse substrates have only been produced on a pilot scale for testing. Therefore, it is necessary to implement a stabilized process for producing agave bagasse at a commercial level. This process must consider economic production costs and market value to ensure that the product is competitive with other substrates typically used in soilless crops.

关键词： Agave Bagasse Grape Tomatoes Tequila Industry

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Composting of Food and Yard Wastes under the Static Aerated Pile Method

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Advances in Chemical Engineering and Science 2018年第4期8卷 271-279页

作者： Gilberto Í ñ iguez-covarrubias Rodrigo Gó mez-Rizo Walter Ramírez-Meda José de Jesús Bernal-Casillas Departamento de Madera Celulosa y Papel Centro Universitario de Ciencias Exactas e Ingenierías Universidad de Guadalajara Guadalajara México El Morado Compost S.A. de C.V. Guadalajara México Departamento de Ingeniería de Proyectos Centro Universitario de Ciencias Exactas e Ingenierías Universidad de Guadalajara Guadalajara México

This work presents the results that were obtained in a commercial composting plant where food (149,690 kg) and yard wastes (144,520 kg) were used as raw materials for its stabilization under the aerated static pile (ASP) method as an alternative to the mechanically mixed windrow method to solve problems of flies and odor nuisance complaints. In a pile of approximately 498 m3, the change in temperature was the main parameter that was evaluated during 49 days of positive forced aeration. Subsequently, a part of the material of the ASP (62 m3) was subjected to a curing period for 44 days recording changes in temperature and humidity. The results of carbon dioxide and volatile ammonia emissions analyses (NH3) and of a bioassay to screen for the presence of phytotoxic conditions showed a very mature compost with an emergence > 90% and a seedling vigor > 95%.

关键词： Aerated Static Pile Composting Compost

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