The effect of neutralized and non-neutralized pomegranate pulp on features of Eisenia fetida and vermicompost
Publish place: Iran Agricultural Research، Vol: 36، Issue: 2
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IAR-36-2_011
تاریخ نمایه سازی: 7 شهریور 1402
Abstract:
ABSTRACT - Vermicomposting with pomegranate pulp can not only prevent pollution of the environment but can also create jobs, generate added value and prevent the waste of energy and the country's capital. This factorial experiment was conducted in a completely randomized design. The first factor (a) in two levels contained neutralized pomegranate pulp with lime and non-neutralized pulp. The second factor (b) vermicomposting mediums which included ۹ levels of pomegranate pulp (with levels of ۰, ۵, ۱۰, ۱۵, ۲۰, ۲۵, ۳۰, ۳۵, and ۴۰ percentage) and cow manure in three replications that formed a total of ۵۴ experimental units. Also, ninety mature earthworms (Eisenia fetida) were put into each experimental unit. During the experiment, the daily moisture of mediums was set by weight at ۷۰% of field capacity and the growth chamber temperature at ۲۵±۲˚C. The results showed that if pomegranate pulp percentage increases, the population of infant worms (۲۲۰ worms) and Eisenia fetida worms’ cocoons (۱۱۴ numbers) decreases but increasing the population and biomass of adult worms was observed at level of ۲۵ percentage of pomegranate pulp. In addition, the percentage of organic carbon (۳۰.۳۲%) and vermicompost C/N ratio (۲۷.۸۷%) increased by pomegranate pulp enhancement in medium. Also, the highest percentage of nitrogen of vermicompost (۱.۶۹%) was found at level of ۲۵ percentage of pomegranate pulp. Furthermore, neutralized pomegranate pulp with lime had improved the measured traits in produced vermicompost and worms compared to non-neutralized pulp in most cases.
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Authors
H. Allahyari
Department of soil science, Soil and Water Engineering Faculty, University of Zabol, Zabol I. R. Iran
Ahmad Gholamalizadeh Ahangar
Department of soil science, Soil and Water Engineering Faculty, University of Zabol, Zabol I. R. Iran
A. Shirmohammadi
Department of soil science, Soil and Water Engineering Faculty, University of Zabol, Zabol I. R. Iran
T. Hadad
Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Zabol, Zabol I.R. Iran
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