Influence of pig slurry application on physical properties and soil ploughing.
1996
Rimovsky K. | Bauer F.
It was found out that a long-term application of pig slurry deteriorated physical properties of soil. As compared with the effects of application of farmyard manure, slurry applied on a fertile stagno-gleyic luvisol increased compaction of soil, reduced its porosity and increased values of bulk density. In depths from 50 to 100 mm and 150 to 200 mm, the average porosity of the arable layer in the slurry-fertilized variants was lower than in that with the application of farmyard manure (that is 46.7 and 44.6 vol. % vs. 54.6 and 49.9 vol. %, res.). In this case, the reduction of total porosity of soil resulted from a lower number of non-capillary pores. The compaction of soil after the application of slurry was confirmed also by values of the reduced bulk density of soil which were higher than those observed after the application of farmyard manure.
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