Vermicompost is an eco-friendly non-toxic that consumes low energy input for composting and is a recycled biological product. For this, using earthworms has a specific role to produce organic fertilizer from waste named vermicompost (Suthar and Singh 2008).

Not only this process reduces sanitary and environmental problems, but also a great value of organic fertilizer is produced during it. One of the most important methods of processing organic wastes is recycling it as an organic fertilizer. These organic wastes can be useful to apply in enhancing soil physicochemical properties and fertility (Bansal and Kapoor 2000). Cow manure and leaf meal are the most widely used as bed ingredients in greenhouse cultures in Iran.

Industry of domestic animals production, especially industrial dairies have led to produce an enormous value of organic wastes so far. Generally vermicompost which was richer in nutrient concentrations affected intensively quality of vermiwash and vermicompost tea produced from it. Vermiwash and vermicompost tea produced from cow manure vermicompost were at first order in majority of measured traits toward others. Vermicompost tea obtained from three vermicompost types was richer in terms of macro and micro nutrients, C/N, percent of organic matter and organic carbon toward the vermiwash produced from the same vermicompost.

ResultsĬow manure vermicompost had more desirable effect on many measured traits toward leaf meal and combination of leaf meal and cow manure vermicomposts. MethodsĪ greenhouse experiment was conducted to compare the properties of vermicompost, vermiwash and vermicompost tea obtained from three types of organic beds consisted of cow manure, leaf meal and a combination of cow manure and leaf meal (1:1 w/w). Using different organic beds to produce vermicompost may influence on quality of vermicompost and its derived productions.

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