Acta Univ. Agric. Silvic. Mendelianae Brun. 2011, 59(6), 225-234 | DOI: 10.11118/actaun201159060225
Evaluation of the infiltration capacity of soil in a winter wheat stand during the growing season 2010
- Ústav aplikované a krajinné ekologie, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika
The aim of the presented paper was to map the course of infiltration during the growing season of 2010 in a winter wheat stand on a selected locality in the Sazomín cadastral area on the basis of selected hydro-physical properties of soil (specific weight, reduced volume weight, actual soil moisture, absorptivity, retention water capacity, porosity, capillary, semi-capillary and non-capillary pores and aeration) evaluated from the analyses of undisturbed soil samples. In order to assess the infiltration capacity of soil at the U Jasana locality in the season April-October, four surveys were realized always with three measurements within each of the surveys. The measurement of infiltration took place in the form of basin irrigation. To evaluate field measurements of infiltration empirical relations were used, namely Kostiakov equations. The highest cumulative infiltration and speed of infiltration were noted in June at the high actual soil moisture and closed stand. In case of October measurement, effects of agro-technical operations became evident on the slightly lower infiltration capacity of soil as compared to June measurements at nearly identical moisture conditions. The lowest infiltration capacity of soil reaching the same level, namely in spite of different moisture conditions and the stand character (July - full-grown stand, August - stubble-field) was found in July and August.
Keywords: soil, speed of infiltration, soil water, hydro-physical properties of soil
Grants and funding:
The study was carried out with the support of Research Project No. MSM6215648905 Biological and technological aspects of sustainability of controlled ecosystems and their adaptation to climate change issued by the Ministry of Education of the CR.
Received: May 27, 2011; Published: March 16, 2014 Show citation
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