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Study of sorne selected enzymatlc activlties as fertility soil indicators

AutorBurgos, Pilar ; Madejón, Engracia ; Cordón, Rosario ; Cabrera, Francisco ; Murillo Carpio, José Manuel
Fecha de publicación2000
EditorEuropean Society for Soil Conservation
CitaciónBook of Abstract. Third International Congress of the European Society for Soil Conservation Man and Soil a the Third Millennium. pág. 233 (2000)
ResumenThe great development of strawberry crop in the "Comarca Costa de Huelva" lead to intensive agricultural practices on sandy soils with a very low organic mather content Consequently, these sandy soils need organic mather application to improve and maintain their agronomic fertility. Different organic wastes are currently used as an alternative to satisly the increasing demand for organic materials in agriculture and horticulture. Three organic wastes (municipal solid waste compost (MWC) agroforest compost (F) and paper mili waste (PW)) were used in a 2-year field experiment supporting strawberry crop, lo study the eflect of their application as deep amendment on soil microbiological activities and nutrient contents. A treatment, C, without organic fertilization was used as control lar comparison. Organic-C, N, P, K and five enzyme activities (dehydrogenase, phosphatase, 13-glucosidase, protease and urease) were determined in soil at 0-20 cm depth. Significant increases in organic-C and N contents were observed in soils treated with the organic amendments. In general, application of organic wastes also caused significant increases in dehydrogenase, phosphatase, protease and urease activities. This favourable effect on soil biological activity was more noticeable in MWC and PW treatments. Significant positive correlation between enzymatic activities and organic-C was found, indicating the activation of soil microoganisms due to the addition of the organic amendments
DescripciónPoster presentado en el Third International Congress of the European Society for Soil Conservation Man and Soil a the Third Millennium. Valencia, 28 March-1 April, 2000
URIhttp://hdl.handle.net/10261/149944
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