Comparison of fresh and composted organic waste in their efficacy for the improvement of arid soil quality

被引:92
作者
Pascual, JA [1 ]
García, C
Hernandez, T
机构
[1] Univ Surrey, Sch Biol Sci, Guildford GU2 5XH, Surrey, England
[2] CSIC, CEBAS, Ctr Edafol & Biol Aplicada Segura, Dept Soil & Water Conservat & Organ Waste Managem, Murcia 30080, Spain
关键词
organic matter; humic substances; carbohydrates; water-soluble-carbon; arid soil; fresh organic wastes; compost;
D O I
10.1016/S0960-8524(98)00160-6
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
The effects of fresh and composted urban wastes on the organic matter of an arid soil were evaluated. The quality of the arid soil was improved with organic amendment. This improvement was more evident in soils amended with fresh residues (municipal solid waste and sewage sludge) than in those with compost. The latter, though having a less spectacular action, showed higher amounts of humic substances and fulvic and humic acids at the end of the incubation. The different carbon fractions of the soil amended with fresh residues showed significantly higher mineralized rates than with compost. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:255 / 264
页数:10
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