Effet de la fertilisation phosphatée sur la croissance et le rendement de trois morphotypes de voandzou
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Effet de la fertilisation phosphatée sur la croissance et le rendement de trois morphotypes de voandzou

Effet de la fertilisation phosphatée sur la croissance et le rendement de trois morphotypes de voandzou


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About the Book

Vigna subterranea est la troisième légumineuse la plus importante en termes de production et de consommation en Afrique après l'arachide et le niébé. Sa culture fait face à de nombreux problèmes tel que le besoin de phosphore. Afin d'accroitre sa production, une expérimentation a été menée dans le but de déterminer l'effet de la fertilisation phosphatée sur son rendement à Yaoundé-Cameroun. La méthodologie a consisté à fertiliser le sol avec quatre doses de P2O5 (50,100,150 et 200kg/ha). Le dispositif expérimental était des blocs complets randomisés à deux facteurs: les morphotypes (1: graines blanches,2: graines rouges et 3: graines blanches oeil noirs) et les traitements. Les résultats montrent que la taille la plus élevée est notée sur le morphotype 2 (62 cm). Le nombre de branches ne varie pas significativement quelques soit les traitements. Le rendement a été plus élevé chez les morphotypes 1 et 3 (2333,4± 640,3 kg/ha et 2348,8± 771 kg/ha) et bas chez le morphotype 2 (1812,2±759,6 kg/ha). 50 kg/ha a été celle à laquelle un meilleur rendement a été noté par rapport au témoin soit 2636,2 kg/ha P2O5 par rapport à 1929,05 kg/ha de P2O5 donc une augmentation de 36,6 %.


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Product Details
  • ISBN-13: 9786203430530
  • Publisher: Editions Universitaires Europeennes
  • ISBN-10: 6203430536
  • Publisher Date: 29 Nov 2021


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Effet de la fertilisation phosphatée sur la croissance et le rendement de trois morphotypes de voandzou
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Effet de la fertilisation phosphatée sur la croissance et le rendement de trois morphotypes de voandzou
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