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Optimisation des besoins en phosphore de la pomme de terre

Optimisation des besoins en phosphore de la pomme de terre

          
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About the Book

Le phosphore est le deuxième élément nutritif limitant après l'azote. C'est l'un des éléments nutritifs clés qui influence le développement précoce de la culture et l'initiation des tubercules, la taille des tubercules et leur densité. Le rendement final des tubercules est fonction de la nouaison, du taux de croissance des tubercules et de la durée de la croissance des tubercules. Le phosphore influence la croissance et le rendement des pommes de terre de plusieurs manières. La gestion du phosphore est un élément essentiel des systèmes de production de pommes de terre, car la pomme de terre a des besoins relativement élevés en P et utilise inefficacement le P du sol. Le phosphore favorise le développement rapide de la canopée, la division des cellules des racines, la formation des tubercules et la synthèse de l'amidon. Une quantité adéquate de phosphore est essentielle pour optimiser le rendement des tubercules, leur teneur en matières solides, leur qualité nutritionnelle et leur résistance à certaines maladies. L'efficacité de l'utilisation du phosphore par la pomme de terre est moindre (10-15 % environ) car il s'agit d'une culture à racines peu profondes. Une culture saine de pommes de terre élimine du sol environ 25-30 kg de P2O5/ha, ce qui indique que les besoins en phosphore des pommes de terre sont bien plus élevés que ceux de la plupart des céréales. Par conséquent, ce livre est conçu pour enseigner l'optimisation des besoins en phosphore de la pomme de terre par le bi


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Product Details
  • ISBN-13: 9786207925247
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Editions Notre Savoir
  • Height: 229 mm
  • No of Pages: 140
  • Spine Width: 8 mm
  • Width: 152 mm
  • ISBN-10: 6207925246
  • Publisher Date: 08 Aug 2024
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 217 gr


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