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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Gužys, Saulius
Title: Mineral nitrogen and phosphate cycles in different crop rotations
Is part of: Research for rural development 2010 : annual 16th international scientific conference, Jelgava, Latvia, 19-21 May, 2010: proceedings. Jelgava: Latvia University of Agriculture, 2010, vol. 2
Extent: p. 156-162
Date: 2010
Keywords: Crop rotations;Nitrogen;Phosphorus;Drainage water;Leaching
Abstract: A current investigation compared various intensive crop rotations (Norfolk, row crops, cereals, short term grass) grown on Cambisols. The study results showed significant effects of N-fertilization of the agroecosystem on mineral N concentration in drainage water and its leaching process. The highest N concentration in drainage water and leaching was determined in the conditions of cereals and row crops rotations. No major impact of the crop rotation on phosphates concentration in drainage water was determined. The average leaching of one by drainage did not exceed 100-140 g ha-1 within a 7 year study period. A experiment was arranged during 1997-2003 years in the Kėdainiai district, Lipliunai village. A rational and well-considered fertilization ensures high crop productivity and profitable farming as well as steady, which is the main condition for reduced non-point source pollution of water
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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