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Effect of solid waste compost on microbiological and physical properties of a burnt forest soil in field experiments

AutorGuerrero Maestre, César; Gómez, I.; Mataix-Solera, Jorge; Moral, R.; Mataix-Beneyto, Jorge; Hernández Fernández, María Teresa
Palabras claveAggregate stability
Burnt soil
Fecha de publicaciónnov-2000
CitaciónBiology and Fertility of Soils 32(5): 410-414 (2000)
ResumenThe restoration of soil microbial activities is a basic step in the reclamation of burnt soils. For this reason, the ability of municipal solid waste compost to accelerate the re-establishment of bacterial and fungal populations, as well as to re-establish physical properties in a burnt soil, was evaluated in a field experiment. Four treatments were performed by adding different doses of compost (0, 0.5, 1 and 2 kg compost m–2 soil) to a burnt Calcic Rodoxeralf soil, and the changes in microbial populations, salt content, aggregate stability and bulk density were evaluated for 1 year. Initially, the addition of compost had a negative effect on soil microbial populations, but 3 months after compost addition, the number of viable fungal propagules increased in all the amended soils. This positive effect lasted until the end of the experiment. From 30 days onwards, all the amended soils showed a greater total number of bacterial cell forming units than the unamended burnt soil. Organic amendment increased the percentage of 2- to 4-mm aggregates, although the effect on the stability of the 0.2- to 2-mm aggregates and on bulk density was less noticeable.
Descripción5 pages, 4 tables.
Versión del editorhttp://dx.doi.org/10.1007/s003740000270
ISSN1432-0789 (Online)
0178-2762 (Print)
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