Time evolution of the general characteristics and Cu retention capacity in an acid soil amended with a bentonite winery waste

被引：17
作者：
Fernandez-Calvino, David [1 ]
Rodriguez-Salgado, Isabel [2 ]
Perez-Rodriguez, Paula [2 ]
Carlos Novoa-Munoz, Juan [2 ]
Arias-Estevez, Manuel [2 ]
机构：
[1] Univ Copenhagen, Dept Plant & Environm Sci, Frederiksberg, Denmark
[2] Univ Vigo, Fac Ciencias, Dept Biol Vexetal & Ciencia Solo, Area Edafol & Quim Agr, Orense 32004, Spain
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2015年 / 150卷
关键词：
Waste reuse; Bentonite waste addition; Acid soil amendment; Cu retention; Cu mobilization; COPPER-BASED FUNGICIDES; VINEYARD SOILS; MICROBIAL COMMUNITY; BACTERIAL COMMUNITY; COMPOSTING PROCESS; ORGANIC-MATTER; DIFFERENT PH; TOLERANCE; GROWTH; ADSORPTION;
D O I：
10.1016/j.jenvman.2014.12.024
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effect of bentonite waste added to a "poor" soil on its general characteristic and copper adsorption capacity was assessed. The soil was amended with different bentonite waste concentrations (0, 10, 20, 40 and 80 Mg ha(-1)) in laboratory pots, and different times of incubation of samples were tested (one day and one, four and eight months). The addition of bentonite waste increased the pH, organic matter content and phosphorus and potassium concentrations in the soil, being stable for P and K, whereas the organic matter decreased with time. Additionally, the copper sorption capacity of the soil and the energy of the Cu bonds increased with bentonite waste additions. However, the use of this type of waste in soil presented important drawbacks for waste dosages higher than 20 Mg ha(-1), such as an excessive increase of the soil pH and an increase of copper in the soil solution. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：435 / 443
页数：9
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