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Pratiques de labour et doses d'engrais dans les cultures intercalaires maïs-soja
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ISBN10: 6209379338
ISBN13: 9786209379338
Publisher: Editions Notre Savoir
Published: Dec 12 2025
Pages: 92
Weight: 0.30
Height: 0.22 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786209379338
Publisher: Editions Notre Savoir
Published: Dec 12 2025
Pages: 92
Weight: 0.30
Height: 0.22 Width: 6.00 Depth: 9.00
Language: French
Une expérience de deux ans a été menée à la ferme d'enseignement et de recherche de l'université agricole de Makurdi afin de déterminer l'effet des pratiques de labour et des doses d'engrais sur les cultures intercalaires maïs-soja. Le plan expérimental comprenait trois facteurs: le système de culture à deux niveaux (culture unique et cultures intercalaires), les pratiques de travail du sol à deux niveaux (travail du sol nul et billons) et les doses d'engrais à trois niveaux (0, 150 et 300 kg/ha de NPK 20:10:10). Les traitements ont été disposés selon un plan en blocs aléatoires complets (RCBD) dans une configuration en parcelles divisées et répétées trois fois. Les systèmes de culture ont été attribués aux parcelles principales, les pratiques de travail du sol aux sous-parcelles et les doses d'engrais aux sous-sous-parcelles. Les résultats ont montré que la culture intercalaire réduisait les rendements des deux cultures par rapport à leurs cultures seules. Les rendements des cultures cultivées sur des billons ont été plus élevés que ceux des cultures sans labour, grâce à un meilleur accès à l'humidité du sol. L'application d'engrais a augmenté de manière significative (P
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