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MAAPRAT-CGAAER (2012) L’eau et la sécurité alimentaire. Face au changement global: Quels défis, quelles solutions? Contribution au débat international, Ministère de l’agriculture, de l’alimentation, de la pêche, de la ruralité et de l’aménagement du territoire-Conseil général de l’alimentation, de l’agriculture et des espaces ruraux.

has been cited by the following article:

• TITLE: Soil Survey and Evaluation of Agricultural Potential: Case Study of the “SANAD” Perimeter in Abagarde, Chari Baguirmi Province, Chad

  AUTHORS: Epolyste Adjeffa, Kaziri Adeline, Gouataine Seingue Romain

  KEYWORDS: Sequential Topography, Soils, Suitability, Irrigated Crops, Rainfed Crops

  JOURNAL NAME: Agricultural Sciences, Vol.16 No.12, December 18, 2025

  ABSTRACT: This study assesses the agricultural potential of soils within the “SANAD” project perimeter in Chad. Using field surveys, laboratory analysis, and a land evaluation framework, the authors identify four soil mapping units. The results indicate that the soils have medium fertility and are suitable for a range of irrigated and rainfed crops, with specific recommendations provided for different soil units. The results show that, along a toposequential cross-section (east-west direction), four mapping units can be identified. Mapping units 1 and 2 are suitable for irrigated maize, rice, and sorghum crops, as well as market garden crops (tomatoes, cabbage, and green beans), while mapping units 3 and 4 are suitable for upland rainfed rice, other cereals (maize, sorghum, millet), and legumes. Overall, the soils within the “SANAD” perimeter are classified as having medium fertility.