Articles
REUSE OF MUNICIPAL SLUDGES AND INDUSTRIAL WASTES AS ORGANIC FERTILIZERS IN TOMATO
Article number
449_97
Pages
707 – 714
Language
Abstract
The objective of this work is to study the effects of the reuse of municipal sludges (Wastewater treatment plant of Vale de Lobo/Loulé), and industrial wastes, as paper factories wastes (Portucel/Setúbal) and dung (“Sansão”), as organic fertilizers in tomato (Lycopersicum esculentum). Biodegradable treated sludges and industrial sludges are considered introductorily as an alternative disposal to the traditional organic fertilizers – the manures.
Yield response to several levels (5; 10 and 20 ton/ha) of these organic compounds are studied.
Pathogens and heavy metals concentrations in soil are measured, in order to define the pollution effects of these compounds in tomato crop.
At last, it is concluded that it is possible to consider these compounds as efficient crop yield factors, reused in an integrated management.
Yield response to several levels (5; 10 and 20 ton/ha) of these organic compounds are studied.
Pathogens and heavy metals concentrations in soil are measured, in order to define the pollution effects of these compounds in tomato crop.
At last, it is concluded that it is possible to consider these compounds as efficient crop yield factors, reused in an integrated management.
Authors
J.C. Brito, A. Veliça, C. Guerrero, J. Beltrão, M.L. Faleiro
Keywords
Municipal sludges, industrial wastes, dung, pollution effects and tomato crop
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