Effects of organic and mineral fertilisers on biological properties of soil under seminatural grassland

Ľ. Ondrášek and J. Čunderlík
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Ľ. Ondrášek: Grassland and Mountain Agriculture Research Institute, Slovak Agricultural Research Centre, Banská Bystrica, Slovak Republic
J. Čunderlík: Grassland and Mountain Agriculture Research Institute, Slovak Agricultural Research Centre, Banská Bystrica, Slovak Republic

Plant, Soil and Environment, 2008, vol. 54, issue 8, 329-335

Abstract: Over 2004-2006, effects of mineral fertilisers (60 N + 30 P + 60 K kg/ha or 120 N + 30 P + 60 K kg/ha) and farmyard manure (12 or 24 t/ha) application on biological and chemical properties of soil were studied in seminatural grassland. The research trial was established at Radvaň site, central Slovakia (altitude 480 m, loamy to sandy-loamy Cambisol). These parameters were investigated during the growing seasons: CO2 production, intensity of total N mineralisation (TMN), the rate of nitrification (NIT), total C content in microbial biomass (MB-C), Cox, Nt, P, K, Mg and the humic acids to fulvic acids ratio (HA:FA). At the application of mineral fertilisers, the highest N rate significantly increased TMN and NIT, mainly in 2004 and 2005. The manure application showed the strongest effects on the biological parameters. The manure rate of 12 t/ha significantly increased the soil respiration in 2005 and 2006 as well as TMN and NIT throughout the research. The manure application increased also the soil pH, MB-C, Nt, Mg, P and Cox.

Keywords: grassland soil; mineral fertilisers; manure; soil respiration; microbial biomass; nitrogen mineralisation; nitrification (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:54:y:2008:i:8:id:416-pse

DOI: 10.17221/416-PSE

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