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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Pekarskas, Juozas;Žibutis, Saulius;Gražulevičienė, Violeta;Grigalavičienė, Ilona;Mažeika, Romas
Title: Cattle horn shavings as slow release nitrogen fertilizer
Is part of: Polish Journal of Environmental Studies. Olsztyn : HARD Publishing Company, Vol. 24, No. 2 (2015)
Extent: p. 645-650
Date: 2015
Keywords: Horn shavings horn;Chemical composition;Slow-release fertilizers
Abstract: An investigation of the chemical composition of cattle horn shavings produced in Lithuania was conducted. The hom shavings were found to consist of 86.62% dry matter, 99.16% organic matter, 39.97% organic carbon, 15.54% N (99.52% of it was in slightly soluble organic compounds), 0.165% P, 0.396% Ca, 0.09% K, 0.049% S, 0.014 % Mg, 6.68 mg kg"1 Cu, 118.0 mg kg"1 Zn, and traces of heavy metals Cr, Pb, and Cd. Elements Ni and Hg were not found in the tested samples, pll value of horn shavings was 7.2. Ammonium nitrogen (NH4-N) was a prevailing soluble nitrogen compound in the tested samples. The predominant size of horn shavings was within the range of 0.5-2.5 mm (90% of total weight). Our research evidence on the rate of release of water-soluble nitrogen compounds suggests that cattle horn shavings are suitable for use as slow release nitrogen fertilizer. Mineral nitrogen compounds are gradually released from the cattle horn shavings incorporated into soil, thus supplying the plants with nitrogen during the whole growing period
Affiliation(s): Lietuvos agrarinių ir miškų mokslų centro filialas Agrocheminių tyrimų laboratorija
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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