Physical properties of haplic luvisol under different farming systems and crop rotations | Fyzikálne vlastnosti hnedozeme pri rozdielnom systéme hospodárenia a osevnom postupe
2008
Šimanský, V., Slovak Univ. of Agriculture in Nitra (Slovak Republic) | Tobiašová, E., Slovak Univ. of Agriculture in Nitra (Slovak Republic) | Šimanská, A., Slovak Univ. of Agriculture in Nitra (Slovak Republic)
In this paper, we report the investigation results of different farming systems and the different crop rotation effects on physical, hydrophysical properties of Haplic Luvisol and its parameter soil structure stability between 2004 and 2007. In autumn 1990, the ecological and integrated farming systems project was established. Both farming systems include two crop rotations with a different structure of crops (poorly and varied). In the ecological system, a higher concentration of total carbon content statistically significantly decreased values of bulk density (-0.814, P less than 0.01) and wilting point (-0.609, P less than 0.05), but on the other hand it increased porosity (0.679, P less than 0.05), maximum capillary water capacity (0.701, P less than 0.05), retention water capacity (0.740, P less than 0.01) and available water capacity (0.829, P less than 0.001). In the integrated system a wider C: N ratio negative affected the hydrophysical properties of the soil. The parameters of the soil structure stability were in more favourable conditions in the ecological farming system and crop rotation with a more different crop structure. This farming system had a statistically significant influence on the critical level of soil organic matter and also on the crusting index. In the integrated system (-0.844, P less than 0.01) and simpler crop rotation (-0.757, P less than 0.05) wider C: N ratio contributed to a forming of soil crust. We concluded the fact that the ecological farming system including a more varied crop rotation has more positive effects on physical, hydrophysical properties and parameters of soil structure stability than the integrated farming system.
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