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Type of publication: Straipsnis konferencijos medžiagoje kitose duomenų bazėse / Article in conference proceedings in other databases (P1c)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Misevičienė, Stefanija
Title: Effect of grown plants on drainage water quality
Is part of: Research for rural development 2006 : International scientific conference proceedings : Jelgava, Latvia, 17-20 May, 2006. Jelgava : Latvia University of Agriculture, 2006
Extent: p. 113–
Date: 2006
Keywords: N total;P total;Concentration;Drainage water
ISBN: 9984784142
Abstract: In 1999-2003, the investigations were carried out in Juodkiškis study object of Water Management Institute of Lithuanian University of Aqriculture. Study scheme is composed of three treatments: treatment I - slurry applied, treatment II - mineral fertilizers applied, treatment Ill - no fertilization. Test field is drained, drain spacing is 15 m, draining depth is 1.2 m. During the crop rotation the following plants were grown: spring wheat with undercrop, red clover (1st year of use), red clover (2nd year of use), sugar beet, and spring rape. II 10 objective of the studies was to determine the effect of cultivated crops on drainage water quality. As the study results have show, N,^ concentrations contained in drainage water increased due to higher fertilization rates and inorganic nitrogen accumulated in the soil. Neither fertilization nor amount of mobile phosphorus contained in the soil made any effect on Ptotal concentrations in drainage water. In arable land, Ntotal concentrations contained in drainage water were 2.3 times higher than those in drainage water of the field, where ml clover was grown. Ptotal concentrations were higher in the field with red clover. According to the rates determined in Lithuania, drainage water is not polluted with phosphorus, while average annual Ntotal concenfrations exceeded the maximum allowable (MAC) when spring wheat with undercrop and sugar beet was grown
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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