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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Gužys, Saulius;Aksomaitienė, Ramutė
Title: Migration of sulphur in limed soils differing in agricultural management
Is part of: Nutrient cycling in agroecosystems. , Vol. 71, iss. 2 (2005)
Extent: p. 191-201
Date: 2005
Abstract: During recent decades the problem of the sulphur cycle in the agroecosystem has become increasingly urgent due to the improvements in agricultural technologies and reduction of environmental pollution. The extremely moist climatic conditions prevailing in Lithuania predetermine rather significant losses of sulphur by leaching and also its negative balance. Thus, sulphur deficiency may become a limiting factor in crop productivity in both organic and intensive cropping systems. This paper summarises the results of investigations on sulphur migration and balance in Luvisols carried out from 1994-1998 under both cropping systems. In an intensive cropping system with programmed mineral fertilization the yield of all crops was 54% higher compared to the organic one, where only manure was applied. Liming, used as a means of chemically improving soil, not only neutralizes soil acidity, but also its sulphureous regime. The amount of mobile sulphur in soil is reduced by up to 7-8 times by this treatment. This reduction is even more evident in intensive cropping systems. Mineral fertilization is the main means of regulating nutrient balance. The balance of N and P was negative in organic cropping systems. In contrast, it was positive under the conditions of intensive cropping. Neither the organic nor the intensive cropping systems ensured a positive sulphur balance
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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