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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: Agronomija / Agronomy (A001)
Author(s): Marcinkevičienė, Aušra;Bogužas, Vaclovas;Balnytė, Skirmantė;Pupalienė, Rita;Velička, Rimantas
Title: Influence of Crop Rotation, Intermediate Crops, and Organic Fertilizers on the Soil Enzymatic Activity and Humus Content in Organic Farming Systems
Is part of: Eurasian Soil Science. , Vol. 46, N 2(2013)
Extent: p. 198-203
Date: 2013
Keywords: Urease;Perennial herbs;Humus
Abstract: The influence of crop rotation systems with different portions of nitrogen fixing crops, interme diate crops, and organic fertilizers on the enzymatic activity and humus content of soils in organic farming was studied. The highest activity of the urease and invertase enzymes was determined in the soil under the crop rotation with 43% nitrogen fixing crops and with perennial grasses applied twice per rotation. The appli cation of manure and the growing of intermediate crops for green fertilizers did not provide any significant increase in the content of humus. The activity of urease slightly correlated with the humus content (r = 0.30 at the significance level of 0.05 and r = 0.39 at the significance level of 0.01)
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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