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Title

Fate of phosphorus added with urban compost to a calcareous soil

AuthorsCabrera, Francisco ; Murillo Carpio, José Manuel ; López Núñez, Rafael ; Hernández Reina, José Manuel
Issue Date1991
PublisherTaylor & Francis
CitationPesticides, Food Contaminants, and Agricultural Wastes. Journal of Environmental Science and Health - Part B 26(1): 83- 97 (1991)
AbstractThe effect of successive applications of urban compost (up to 150 and 400 t ha-1 during eight years) on the status of phosphorus in a calcareous soil (20%) was tested in a greenhouse experiment. An 8-15-15 complex fertiliser was also applied for comparison. Five years of ryegrass and three of horticultural plants (tomato and eggplant) were successively cropped during the experiment. Increases of total- and available-P were observed with both organic and inorganic fertilisation. Total-P increased more in soils treated with the highest compost dose. Generally, available-P was similar for soils treated with the highest compost dose and inorganic fertiliser. Also a slight but significant increase of organic-P was found in soils treated with compost. Phosphorus added to soil tends to increase soluble- plus exchangeable-P (more in inorganic fertiliser treatment), P in calcium phosphates (more in highest compost treatment) and residual-P, the latter being greater in soils treated with compost.
Publisher version (URL)http://dx.doi.org/10.1080/03601239109372725
URIhttp://hdl.handle.net/10261/60151
DOI10.1080/03601239109372725
Identifiersissn: 0360-1234
e-issn: 1532-4109
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