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Évaluation de la variation des génotypes de coton en milieu salin

Évaluation de la variation des génotypes de coton en milieu salin


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About the Book

La salinité est un problème majeur qui réduit la production agricole dans le monde entier. La salinité des sols agricoles a entraîné l'effondrement d'anciennes civilisations. Aujourd'hui encore, elle menace la productivité agricole sur 77 millions d'hectares de terres agricoles, dont 45 millions d'hectares (20 % de la zone irriguée) sont irrigués et 32 millions d'hectares (2,1 % des terres sèches) ne sont pas irrigués. La salinisation se propage dans les terres irriguées en raison d'une mauvaise gestion de l'irrigation et du drainage. Le coton (Gossypium hirsutum L.) est l'une des principales cultures commerciales du Pakistan. Il a joué un rôle important dans le développement industriel et la création d'emplois. Il est considéré comme l'épine dorsale de l'économie pakistanaise. Le Pakistan est l'un des plus anciens foyers de culture du coton, le quatrième producteur et le troisième exportateur mondial de fil. Le Pakistan est dans l'ensemble une économie monoculturelle, le coton représentant 7,5 % de la valeur ajoutée dans l'agriculture et environ 1,6 % du PIB. La culture a été semée sur une superficie de 3054 000 hectares, soit 0,6 % de moins que l'année dernière (3072 000 hectares).


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Product Details
  • ISBN-13: 9786206806585
  • Publisher: Editions Notre Savoir
  • Publisher Imprint: Editions Notre Savoir
  • Height: 229 mm
  • No of Pages: 64
  • Returnable: N
  • Weight: 150 gr
  • ISBN-10: 6206806588
  • Publisher Date: 30 Apr 2025
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Spine Width: 4 mm
  • Width: 152 mm


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