THE INFLUENCE OF UTILISING REDUCED TILLAGE SYSTEMS ON THE RETENTION PROPERTIES OF RENDZINA

摘要

A field experiment was carried out (1994-1999) on mixed chernozem rendzina originating from cretaceous bedrock. Three cultivation systems were used: conventional tillage (CT), ploughless tillage (PL), and direct drilling (DD). The simplified cultivation systems marginally influenced the water retention ability of the soil. Water retention properties of rendzina were most favourably shaped under CT, while PL resulted in a slight worsening when compared to CT, and the least favourable influence on theretention properties was exerted by DD.