The efficiency of nitrogen and sulphur fertilization on yields and value of N:S ratio for Lolium × boucheanum

B. Grygierzec, L. Luty and K. Musiał
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B. Grygierzec: Department of Grassland Management, Institute of Plant Production, University of Agriculture, Krakow, Poland
L. Luty: Department of Mathematical Statistics, University of Agriculture, Krakow, Poland
K. Musiał: Malopolska Association for Agricultural Extension in Krakow, Krakow, Poland

Plant, Soil and Environment, 2015, vol. 61, issue 3, 137-143

Abstract: This paper deals with the efficiency of nitrogen (N) and sulphur (S) fertilization on yields and value of N:S ratio for hybrid ryegrass cultivated in monoculture and in a mix with white clover. The research was carried out from 2011-2013 near Krakow in southern Poland. Plants were evaluated in the context of diversified fertilization with nitrogen at rates of 50 and 100 kg N/ha as well as two sulphur-based fertilizers: Arista siarka and Pro-siarka, used at rates of 5, 10, 15 kg S/ha. Independent research findings have shown a clear synergism between nitrogen and sulphur, namely fertilization with sulphur in the form of Arysta siarka and Pro-siarka fertilizers that increased the yields of total aboveground biomass of the plants, from all cuts and decreased the values of the N:S ratio. The highest average dry matter yield was determined after the use of 50 kg N/ha and 15 kg S/ha in the form of Pro-siarka fertilizer, compared to fertilization with 50 kg N/ha, amounting to 0.52-2.08 t/ha for hybrid ryegrass and 0.15-2.40 t/ha for hybrid ryegrass with white clover, respectively. The highest average narrowing of the N:S ratio was calculated in plants fertilized with 100 kg N/ha and 15 kg S/ha in the form of Pro-siarka fertilizer.

Keywords: crop production; nutrient; Trifolium repens; sulphur deficiency; grassland management (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:61:y:2015:i:3:id:1005-2014-pse

DOI: 10.17221/1005/2014-PSE

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