INFLUENCE OF SLUDGE ON SOME TECUCI PLAIN SANDY SOILS FROM GALATI COUNTY
Journal Title: Current Trends in Natural Sciences - Year 2017, Vol 6, Issue 11
Abstract
This paper presents some aspects regarding the use of sludge obtained from Tecuci wastewater treatment pilot plant, sludge that was used for the fertilization of some sandy soils of Tecuci Plain, Galati County. To reduce the polluting effect of the sludge that will be used for agriculture and to exploit the nutrients it contains, it is necessary to subject the sludge to a proper treatment, to apply it only on suitable soils in the right doses and at the appropriate periods, at certain recommended crops, and to also ensure the proper control of the environmental quality. This study was in accordance with Order no. 344/2004 for approving the technical norms when active sludge is used in agriculture concerning the environmental protection and, in particular, of soil, of the Romanian Soil Taxonomy System (2012) and Development of Soil Survey Methodology (1987). Fertilization with sludge from the treatment plant was applied on eutric and district psamosoils from Protisoils Class that are characterized by a sandy texture in the upper portion of the profile and a poor supply with chemical elements. Always to be noted that before using the sludge as a fertilizer two processes will be performed such as the limestone amendment of soil and also the fertilization with chemical fertilizers that have an alkalizing action.
Authors and Affiliations
Razvan Simionica, Alina Simionica, Mirela Manea, Adina Popescu, Maria Contoman
Keywords
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