Influence de l'engrais potassique sur le rendement et la qualité des tubercules de pomme de terre
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Influence de l'engrais potassique sur le rendement et la qualité des tubercules de pomme de terre

Influence de l'engrais potassique sur le rendement et la qualité des tubercules de pomme de terre


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About the Book

La pomme de terre irlandaise est la deuxième culture vivrière la plus importante après le maïs au Kenya. Cependant, le rendement moyen national en tubercules est de 9,8 tonnes/ha, alors que la production optimale est de 41 tonnes/ha. La demande de tubercules de pomme de terre de haute qualité pour la transformation n'est pas non plus satisfaite. Le potassium (K), qui est l'un des macronutriments absorbés en plus grande quantité par la pomme de terre, est connu pour améliorer à la fois son rendement et ses caractéristiques de qualité. Des expériences de terrain ont été menées dans la ferme de l'Université d'Eldoret, dans le comté d'Uasin Gishu au Kenya, afin de déterminer l'efficacité des engrais potassiques sur l'amélioration du rendement et de la qualité des tubercules, ainsi que sur la rentabilité due à l'application d'engrais. Deux sources de K, MOP et SOP, ont été utilisées. Des variétés de pommes de terre Destiny ont été plantées. Pendant les longues pluies, le MOP à 30 kg K/ha a donné un rendement en tubercules de 40,54 tonnes/ha et un bénéfice de 111,86 %. Le SOP a significativement augmenté la matière sèche des tubercules par rapport au MOP de 5,6% dans les deux saisons, tandis que le SOP à 180kg K/ha a donné la plus forte concentration de vitamine C dans les tubercules (19,56 mg g-1).Pour une compréhension approfondie de l'influence du K, une étude similaire doit être ré


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Product Details
  • ISBN-13: 9786208112554
  • Publisher: KS Omniscriptum Publishing
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 199 gr
  • ISBN-10: 6208112559
  • Publisher Date: 22 Sep 2024
  • Height: 229 mm
  • No of Pages: 96
  • Spine Width: 6 mm
  • Width: 152 mm


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