[Effect of soil compaction on the number of Diazotrophs, DHA [dehydrogenase activity] and soil structure]
2003
Milosevic, N. (Naucni institut za ratarstvo i povrtarstvo, Novi Sad (Serbia and Montenegro)) | Govedarica, M. | Belic, M. | Hadzic, V.
Microorganisms contribute to the development and maintenance of soil fertility and are therefore an important part of the plant - soil complex. Soil compaction due to passing of heavy farm machinery negatively affects stability of structural aggregates, development of microbial groups (Azotobacter and free N-living) and enzyme ativity. Dehydrogenase activity (DHA) increased with decreasing aggregate size. Thus, this activity was highest in the smalles aggregates (0.25 mm) and lowest in the largest.
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