Soil compaction as a consequence of utilization modes

Abstract

Long-standing utilization of agricultural machines in agricultural production leads to a significant increase of compaction in noncarbonate, slightly smonitza - like meadow black soils, in the Kolubara river valley. A substantial increase of compaction in the investigated soils was found in arable and subarable horizons down to the depth of 30 cm. The compaction increase induced negative changes in other most important physical properties of soil, like the increase of bulk density and packing density of soil particles, and the decrease of total porosity, content of pores > 30 mm and void ratio.

Višegodišnje korišćenje poljoprivredne tehnike u intenzivnoj poljoprivrednoj proizvodnji dovelo je do znatnog povećanja zbijenosti beskarbonatnih, slabo smoničavih livadskih crnica u dolini reke Kolubare. Znatno povećanje zbijenosti u istraženim zemljištima utvrđeno je u oraničnom i podoraničnom horizontu do 30 cm dubine. Povećanje zbijenosti negativno se odrazilo i na ostale najvažnije fizičke osobine zemljišta, i to uglavnom na znatno povećanje zapreminske mase i gustine pakovanja zemljišnih čestica, kao i na znatno smanjenje ukupne poroznosti, sadržaja pora > 30 µm i koeficijenta pora.