In the Czech Republic, agricultural production is still dominated by corporate farms. However, not all of them had been equally successful, economically. In general, a varying adoption of production factors is identified as being of influence. Whether their ability to collaborate with other farms is an additional factor which has been discussed under the concept of social capital since quite some time will be analysed in this paper. Based on the findings of a survey among a sample of 166 corporate farms by adopting factor and multiple regression analysis it can be deduced that social capital is indeed a significant factor determining the level of agricultural income.