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Acta Scientiarum. Agronomy

Print version ISSN 1679-9275On-line version ISSN 1807-8621

Abstract

PENA, Diogo Silva; EVANGELISTA, Adão Wagner Pêgo  and  CASAROLI, José Alves Júnior and Derblai. Agroclimatic zoning for jatropha crop ( Jatropha curcas L.) in the State of Goiás. Acta Sci., Agron. [online]. 2016, vol.38, n.3, pp.329-335. ISSN 1679-9275.  http://dx.doi.org/10.4025/actasciagron.v38i3.28224.

Jatropha stands out in the Brazilian agribusiness scenario as one of the most promising nuts for biodiesel production, although there are few studies on this culture's introduction, management and cultivation techniques. Through the characterization of the state of Goiás' climate based on climate, rainfall and evapotranspiration maps, this work aimed to define areas suitable for the cultivation of Jatropha by designing an agroclimatic zoning system. Rainfall climatic data from 114 stations and air temperature data related to 34 stations were used. The zoning did not show any area that was considered unsuitable for the cultivation of Jatropha in the state, with much of the territory having full culture capability and some marginal regions characterized by water deficit or thermal deficiency. Throughout the state of Goiás, 64.6% of its territory is fit for the cultivation of Jatropha, whereas 35.4% has some marginal conditions for culture development. Of the total of areas defined as marginal to the cultivation of pinion, 28.8% are considered marginal due to water deficits and 6.6% are considered marginal due to thermal deficiency.

Keywords : agrometeorology; climate modeling; agricultural potential..

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