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Agrobiodiversity and Sustainability of Oasis Agrosystems in Palm Groves of Sahara and Sahel in Chad

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Listed:
  • Oumar Hissein Abba Mahmoud
  • Oumarou Zango
  • Naoura Gapili
  • Maman Laouali Adamou Ibrahim
  • Abdoulaye Rafiou
  • Nathalie Chabrillange
  • Frédérique Aberlenc
  • Yacoubou Bakasso
  • Joseph Martin Bell

Abstract

The cultivation of date palm, a pillar of oasis agrosystem constitutes a real source of development in arid and semi-arid zones because of its fruit’s rich in sugars and various products, essential to daily life of the populations. In Chad, date production has experienced a decline since the sixties, in relation to diseases, pests and poorly performing cultivation techniques, environmental factors are major causes of the degradation of phoeniculture as well as insecurity and the phenomenon of rural exodus. In order to assess the potential of oasis agroecosystems based on the date palm in Chad, an ethnobotanical survey was carried out among date farmers of Sahara and Sahel. The cultivars of date palm is mainly cultivated in Sahara in the North of the country where it allows a rich and diversified subsistence agriculture (market gardening, fruit trees, cereals and fodder), which excludes the use of chemical inputs in production. Our study made it possible to highlight an important genetic diversity with more than 200 cultivars, resulting from empirical selection and multiplied by offshoot. In Sahara, date palms cultivars have only one fruit production season per year with satisfactory productivity, an acceptable price and farmers have a good knowledge of cultivation practises. In central part of the country corresponding to the Sahelian zone, oasis agrosystems are also found in basins. The climatic conditions favour two production seasons and the income from the sale of dates from the first fruit production season (April and May) is greater than those from the second production season (June to September). The strengthening of the local knowledge and the extension of palm groves made it possible to increase production and income and would contribute to food security and the maintenance of populations in Chad and more generally in Sahel’s countries.

Suggested Citation

  • Oumar Hissein Abba Mahmoud & Oumarou Zango & Naoura Gapili & Maman Laouali Adamou Ibrahim & Abdoulaye Rafiou & Nathalie Chabrillange & Frédérique Aberlenc & Yacoubou Bakasso & Joseph Martin Bell, 2024. "Agrobiodiversity and Sustainability of Oasis Agrosystems in Palm Groves of Sahara and Sahel in Chad," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 14(4), pages 1-99, April.
  • Handle: RePEc:ibn:jasjnl:v:14:y:2024:i:4:p:99
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    References listed on IDEAS

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    1. Delphine Renard & David Tilman, 2019. "National food production stabilized by crop diversity," Nature, Nature, vol. 571(7764), pages 257-260, July.
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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