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Title

Use of poultry manure and plant cultivation for the reclamation of burnt soils

AuthorsVázquez, F. J.; Petrikova, V.; Villar, M. C.; Carballas, T.
KeywordsBurnt soils
Greenhouse experiments
Legumes
Organic wastes
Perennial rye-grass
Soil reclamation
Soil structure
Pisum sativum
Trifolium repens
Lotus corniculatus
Lolium perenne
Issue DateMay-1996
PublisherSpringer
CitationBiology and Fertility of Soils 22(3): 265–271 (1996)
AbstractAnnual (Pisum sativum L. and Vicia sativa L.) and perennial (Trifolium repens L. and Lotus corniculatus L.) leguminous species were grown in pots containing samples from the ash layers of two Cambisols under Pinus sylvestris L., which has been affected by high-intensity wildfires 3 and 15 days before the sampling. The gramineous Lolium perenne L. was cultivated as a second plant after Trifolium and Lotus harvesting. Three treatments were compared: soils without fertilization and soils fertilized with two doses of poultry manure (1 and 2 g total N kg-1 dry soil). The aim of the work was to study the capacity of the ash layer to sustain vegetation and the influence of plants and organic manure on the recovery of vegetation cover, ash layer fixation and soil structure formation to avoid erosion. The ash samples were able to sustain vegetation without fertilization. The organic manure increased the yields of all the plants tested, the lower dose being the optimal for the first crop whereas the higher dose was beneficial for the second crop. The annual legumes grew very quickly. The mixture of Trifolium and Lotus seemed very suitable for reclamation of soil degraded by wildfires because Trifolium produced more phytomass than Lotus in the first growing stages whereas the development of Lotus was higher in the later growing stages. Ash layer conditions did not inhibit nodulation, which was, however, stimulated by the organic manure, particularly in the case of Lotus. Lolium after perennial legumes was the best plant combination because it produced the highest phytomass, particularly root phytomass, and thus improved vegetation cover and ash layer fixation. All the plants tested improved the formation of soil aggregates, particularly the combination of perennial legumes and Lolium. However, wet aggregate stability was higher when plants were grown on soils fertilized with poultry manure than when plants were cropped on unmanured soils, which points to the favourable influence of the organic manure on soil aggregation.
Publisher version (URL)https://doi.org/10.1007/BF00382523
URIhttp://hdl.handle.net/10261/194818
DOI10.1007/s003740050109
ISSN0178-2762
E-ISSN1432-0789
Appears in Collections:(IIAG) Artículos
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