A study on the influence of selected factors of the structure of workers on labour productivity level as expressed by volume of outputs in Slovak korunas per worker per year points at the different effect of individual factors. The research included a set of 41 agricultural enterprises in Slovakia during the period of 1995- 1998. The level of rewarding (monthly earnings) has the dominant positive influence, especially in manual workers. The negative effect on labour productivity was observed in the structure of workers (an increase in a number of manual workers per technic-economic worker). A share of men and women of different branches in total worker number was found to be indifferent with relation to labour productivity.