title: Properties of vermicompost aqueous extracts prepared under different conditions.
abstract: 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 48 h. Aeration significantly increased the levels of electrical conductivity (EC) and the concentration of [Formula: see text], [Formula: see text], 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 6 h. After 48 h, the highest release of macro-elements into the extract was found in the case of the horse manure under stirring with aeration.
authors: a Department of Agro-Environmental Chemistry and Plant Nutrition , Czech University of Life Sciences Prague , Prague , Czech Republic.
authors: Ales
authors: A
authors: Hanc
authors: a Department of Agro-Environmental Chemistry and Plant Nutrition , Czech University of Life Sciences Prague , Prague , Czech Republic.
authors: Jiri
authors: J
authors: Boucek
authors: a Department of Agro-Environmental Chemistry and Plant Nutrition , Czech University of Life Sciences Prague , Prague , Czech Republic.
authors: Pavel
authors: P
authors: Svehla
authors: a Department of Agro-Environmental Chemistry and Plant Nutrition , Czech University of Life Sciences Prague , Prague , Czech Republic.
authors: Marketa
authors: M
authors: Dreslova
authors: a Department of Agro-Environmental Chemistry and Plant Nutrition , Czech University of Life Sciences Prague , Prague , Czech Republic.
authors: Pavel
authors: P
authors: Tlustos
mesh_terms: D064751:Ammonium Compounds / Q000032:analysis; D000818:Animals; D057919:Biological Oxygen Demand Analysis; D002244:Carbon / Q000032:analysis; D006736:Horses; D027845:Malus; D008372:Manure; D008670:Metals / Q000032:analysis; D009566:Nitrates / Q000032:analysis; D009835:Oligochaeta; D010758:Phosphorus / Q000032:analysis; D054712:Salinity; D012987:Soil / Q000737:chemistry*; D014866:Waste Products
chemical_list: D064751:Ammonium Compounds; D008372:Manure; D008670:Metals; D009566:Nitrates; D012987:Soil; D014866:Waste Products; D010758:Phosphorus; D002244:Carbon
keywords: Vermicompost; apple pomace; extract; horse manure; macro-elements