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Abstract
Mathematical programming models of six farm-households in South Sulawesi were developed to investigate sample farmers' choices between tractors and draught cattle for the preparation of rice land. Selected aspects of the research are summarised here. Previous work on the impact of tractor use on crop yields and labour supply are first outlined. The study area, kabupaten Luwu, is then described. The basic structure of the programming models is presented, followed by a discussion of the most significant results of the modelling exercise. Implications regarding the importance of farmers' beliefs about the yield effects of tractor use are then discussed.
∗ Fieldwork for this study was conducted by the senior author during a visit to South Sulawesi financed by the Australian Universities International Developmenl Program (AUIDP), whose kind assistance is gratefully acknowledged.
Notes
∗ Fieldwork for this study was conducted by the senior author during a visit to South Sulawesi financed by the Australian Universities International Developmenl Program (AUIDP), whose kind assistance is gratefully acknowledged.