期刊
ENVIRONMENTAL TECHNOLOGY
卷 38, 期 11, 页码 1428-1434出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09593330.2016.1231225
关键词
Vermicompost; extract; horse manure; apple pomace; macro-elements
资金
- European Community [312117]
- Ministry of Agriculture of the Czech Republic [QJ1530034]
- CULS under CIGA project [20152013]
The aim of this work was to determine the influence of aeration and time of extraction on the agrochemical properties of aqueous extracts from vermicomposts made from horse manure (M) and apple pomace (P) waste. There were two extract treatments: stirring without aeration (S), and stirring with aeration (A) for 48h. Aeration significantly increased the levels of electrical conductivity (EC) and the concentration of , and macro-elements in the extracts. In the (A) treatment, the extraction efficiency of K and Mg increased twofold, and the extraction efficiency of Ca and P increased by one-third compared with the (S) treatment. Simultaneously, the extracts prepared under aeration were characteristic with a higher pH value compared with non-aerated variants. The EC and content of macro-elements in the extracts increased proportionally with time. Their highest growth was found within the first 6h. After 48h, the highest release of macro-elements into the extract was found in the case of the horse manure under stirring with aeration.
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