In article there is a summary of doctor thesis entitled: Investment and Financial Sources versus Changes in the Vegetable Farms, which was made in Agricultural University in Poznań. Main goal was selecting the kinds of the investments and their financial sources on the vegetable farms and specifying the reason for the choice of the financial sources and the attitude to the investment activities. The research were made in the farms producing vegetables near Środa Wielkopolska and producing vegetables under cover near Pleszew.

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