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IVES 9 IVES Conference Series 9 Agroclimatic zonation for vine growing in Maranhão State, Brazil

Agroclimatic zonation for vine growing in Maranhão State, Brazil

Abstract

Les indices agroclimatiques concernant le bilan hydrique et la température moyenne de l’air, ont été utilisés pour la caractérisation des zones avec différentes aptitudes pour la viticulture de vin (Vitis vinifera L.) dans l’état du Maranhão, Brésil. Le bilan hydrique de THORNTHWAITE et MATHER (1955), pour une réserve hydrique utile du sol de 120 mm, a été utilisé pour la détermination d’un «Indice Hydrique Annuel de THORNTHWAITE» (Ih), capable de caractériser les conditions hydri1ques idéales pour la viticulture, pour les régions de dispersion naturelle et également pour les régions de production commerciale. Les valeurs climatiques mensuelles de température et pluie ont été utilisées pour le calcul du bilan hydrique Ih sur 88 emplacements dans· l’état du Maranhâo. Les résultats ont permis de constater que l’état n’a aucune limitation thermique pour le développement de la vigne. L’indice Ih a permis la classification des régions dans trois différentes zones agroclimatiques, qui correspondent à trois classes d’aptitude viticole : pleine aptitude (Ih < -20) ; aptitude régulière (-20 < Ih < 60) et inaptitude (Ih > 60). L’étude a permis de conclure que, sous conditions irriguées dans l’état du Maranhão, la viticulture pour la production de raisin et vin pourra être recommandée surtout dans les communes de Sao Félix de Balsas, Loreto, Benedito Leite, Nova York, Pastos Bons, Buriti Bravo, Fortuna, Govemador Luiz Rocha, Jatobâ, Sao Domingos do Maranhao et Graça Aranha.

The use of agroclimatic indexes based on water balance and air temperature means, allowed the characterisation of areas with different aptitude for grape (Vitis vinifera L.) crop growth in Maranhao State, Brazil. THORNTHWAITE and MATHER (1955) water balance for a 120 mm soil moisture capacity, of the regions of natural dispersion and of areas of commercial crop production was used to determine the annual hydrie index of THORNTHWAITE (Ih) in the characterisation of ideal hydric conditions of climate for crop growth. Monthly climatic values of temperature and rainfall were used to obtain the water balance for the same soil moisture capacity for 88 locations of Maranhao State. lt was observed that the State has no thermal limitation for grape growing. The hydric zones resulted in three classes of agroclimatic aptitude: Full aptitude (Ih < -20); Regular aptitude (-20 < Ih < 60) and Inaptitude (Ih > 60). Under irrigated conditions, the vine crop in Maranhao state may be encouraged mainly in the municipal districts of Sao Félix de Balsas, Loreto, Benedito Leite, Nova York, Pastos Bons, Buriti Bravo, Fortuna, Governador Luiz Rocha, Jatoba, Sao Domingos do Maranhao and Graça Aranha.

 

 

 

DOI:

Publication date: February 15, 2022

Issue: Terroir 2002

Type: Article

Authors

H. de C. TEIXEIRA. (1), P. H. B. RIBEIRO (2), V. C. da S. REIS (3), M. das G. L. dos SANTOS (4)

(1) Researcher of Embrapa Semi-Arido, CP 23, CEP 56300-970, Petrolina-PE, Brazil
(2) Civil Engineer, Embrapa Semi-Arido, CP 23, CEP 56300-970, Petrolina-PE, Brazil
(3) Agronomist, Embrapa Semi-Arido, C. P. 23, CEP 56300-970, Petrolina-PE, Brazil
(4) Traineer, Embrapa Semi-Arido, C. P. 23, C0EP 56300-970, Petrolina-PE, Brazil

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Keywords

Vitis vinifera, zonage agroclimatique, température de l’air, bilan hydrique, évapotranspiration
Vitis vinifera L., agroclimatic zonation, air temperature, water balance, evapotranspiration

Tags

IVES Conference Series | Terroir 2002

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