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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: The cycles of phosphorus in crop rotations differing in fertilization
Is part of: Research for rural development 2013 : annual 19th international scientific conference, May 15-17, 2013, Jelgava, Latvia: proceedings. Jelgava : Latvia University of Agriculture, 2013, vol. 2
Extent: p. 175-180
Date: 2013
Keywords: Phosphorus;Yield;Concentration;Leaching;Balance
Abstract: The investigations were carried out during the period 2006-2011 in the land of the Water resources management institute of ASU, in the village of Lipliunai on Endocalcari Endohypogleyic Cambisol (CMg-n-w-can). The base of investigations is 3 drainage systems, which contain cereals differing in fertilization and grass crop rotations. The aim of investigations is to determine the crop rotations differing in fertilization and these relations with cycles of phosphorus in agroecosystem. Higher productive was perennial grass crop rotation. In the conditions of cereal crop rotations this productive was 3-46% lesser. The highest concentration of P-P043' in drainage water was received in the conditions of higher fertilization cereals crop rotation while highest concentration of total P was in the conditions of grass crop rotation. The concentration 0f P-PO43- in drainage water essentially depends on amount of mobile P205 in soil, fertilization, productivity of field crops, drainage runoff as well as cumulative balance of P. The highest leaching of P-P043- and total P by drainage was received under the conditions of higher fertilization cereals crop rotation. The leaching of P-P043" essentially depends on fertilization, drainage runoff as well as cumulative and yearly balance of P. The application of all crop rotations was distinguished by positive P balance
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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