alexa Evaluation Of The Quality Of Vermicompost After Two Methods Of Pre-composting Several Zoo Animal Dung And Their Growth And Reproductive Index Of Eisenia Foetida (Sav.)
E-ISSN: 2252-5211

International Journal of Waste Resources
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5th World Convention on Recycling and Waste Management
September 11- 12, 2017 Singapore

Edmundo Arturo Perez-Godinez, Jorge Lagunes-Zarate, Juan Corona-Hernandez and Martha Barajas-Aceves
Autonomous University of Chihuahua, Mexico
Cinvestav, Mexico
Posters & Accepted Abstracts: Int J Waste Resour
DOI: 10.4172/2252-5211-C1-009
Abstract
The increasing amount of zoo animal dung generated quantities of 26.71 ton per year which are disposed on the Board of Xochiaca, Mexico. Their management of waste disposal such as land filling, open dumping or open burning are unsustainable owing to loading and production of certain toxic substances and gases from the wastes, which may have potential adverse effects on the environment, health and biodiversity. In this study, samples of four zoo animals’ dungs (elephants, rhinoceros, hippopotamus and lion) and one horse dung was pre-composted in two ways: (1) Traditional composting and (2) Bokashi pre-composting for 1 month, followed by vermicomposting for 3 months. The permanence (PEf) and reproductive potential (RP) of Eisenia foetida as well as the quality of vermicomposting were evaluated. The PEf values and RP index of E. foetida were higher for samples pre-composted using the traditional composting method (98.7-88% and 31.85-16.27%, respectively) followed by vermicomposting (92.7-72.7% and 22.96-13.51%, respectively), when compared with those for bokashi precomposted samples followed by vermicomposting, except for the horse dung sample (100% for both the parameters). The values of electrical conductivity (EC), cation exchange capacity (CEC), organic C, total N, available P, C/N ratio and pH showed that both treatments achieved the norms of vermicompost. However, vermicomposting after bokashi pre-composting produced the highest values of %OM loss, %N loss and CEC/OC ratio, when compared with those achieved by vermicomposting after pre-composting using the traditional composting method. The two methods applied in the present study appear to be a good alternative to treat zoo animal dung waste and convert it into valuable nutritional material for plants. In the future, further experiments with plants should be conducted to determine the other advantages and disadvantages of using these two methods of pre-composting prior to vermicomposting.
Biography

Edmundo Arturo Pérez-Godínez has his expertise in management and recycling of organic matter and producer of organic fertilizers. He is the Founding Member of the Program of Genetic Resources and Alternative Cultures PREGECA from 1995 to date. He is in charge of the Institutional Laboratory of Edible Mushrooms of the Universidad Autónoma Chapingo, Trainer in production of organic fertilizers and cultivation of edible fungi and has certificate of Labor Competence of Unit issued by the National Council of Standardization and Certification of Labor Competences (CONOCER). He is the Founder of the Competence Evaluation Center at the Continuing Education Center (CEC) 2008.

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