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In the context of agricultural production, soil is a nonrenewable, limited resource that has to be managed economically and in accordance with good farming practice. One of the ways to ensure intensive soil use is to carry out crop production through out the year, which in this climatic region involves the sowing of multiple crops in a single growing season. Irrigation capability is one prerequisite for such production. The other one, growing period length, should en able determinate bean varieties to be planted as the second crop in double-cropping systems. Be cause some bean varieties are day length sensitive and be cause not all cultivars of this crop interact in the same way with environmental conditions, we first tested a wider range of bean cultivars and then chose four (Dvadesetica, Maksa, Belko and Sremac) for further study. When choosing the varieties, we took into ac count their market characteristics as well. The cultivars responded differently both yield- and grain size-wise. All of the cultivars studied were found to be suitable for use in double cropping. What remains to be done is to develop an adequate set of cultivar-specific cultural practices for this type of production. [ABSTRACT FROM AUTHOR]