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The objective of this study was to evaluate and compare the economic viability of different cultivated maize varieties of a low / medium technological level. The work was carried out on a family property located in the municipality of Iporá. The experimental design was a randomized complete block (DBC), replicated 4 times and using 5 treatments. The treatments were composed of 4 open-pollinated varieties (SCS 154 Fortuna, SCS 155 Catarina, SCS 156 Colorado and Amarelo 17) and 1 hybrid Supremo Viptera 3. A spacing of 0,70 meters between rows was used, with an estimated population of 70.000 plants ha. The evaluations were of: productivity, grain moisture content and financial analyzes (NPV, IRR and payback). It was observed that the Supremo Viptera 3 hybrid showed higher productivity levels (123,1 sc.ha), but due to its higher production cost, it required 1 year and 9 months for payback, besides generating IRR of 2,52 %, making it economically less attractive. On the other hand, the SCS 156 Colorado, in spite of the lower productivity level (110,5 sc ha), due to the lower cost of production, presented higher NPV and higher IRR values (5,19%), and so was economically more interesting. The SCS 155 Catarina variety was also highlighted, and was seen as attractive for the region, although it presented an IRR rate below the desired one. Among the materials tested, Yellow 17 was as productive (80,4 sc.ha) but had the worst economic performance (negative NPV, payback> 3 years and TIR of -3,64%). So we concluded that SCS 156 Colorado and SCS 155 Catarina varieties were promising for cultivation under family farming conditions, presenting economic viability similar to or superior to the hybrid corn recommended for the region.

brazilian journal of development

VIABILIDADE ECONÔMICA DO CULTIVO DE MILHO VARIEDADE EM PROPRIEDADE FAMILIAR NA REGIÃO DO OESTE GOIANO / ECONOMIC VIABILITY OF MAIZE VARIETIES IN FAMILY PROPERTIES IN THE WESTERN GOIANO REGION