[ Evaluation de l'efficacité du Phosphate Naturel de Tilemsi (PNT) sous différentes pratiques de travail du sol en zone Sahélienne du Mali ]
Volume 34, Issue 4, November 2021, Pages 845–857
Aliou Badara Kouyate1 and Serme Idriss2
1 Institut Polytechnique Rural de Formation et de Recherche Appliquée (IPR, IFRA), Département des Sciences et Techniques Agricoles, Unité science du sol, BP 06 Koulikoro, Mali
2 Institut de l’Environnement et de Recherches Agricoles (INERA) du , Centre National de la Recherche Scientifique et Technologique, Institut de l’Environnement et de Recherches Agricoles (CNRST), 04 BP 8645, Ouagadougou 04, Burkina Fa, Burkina Faso
Original language: French
Copyright © 2021 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The deficiency in available phosphorus for crops is a major constraint on cereal production in Mali. The objective of this study was to assess the combined effects of phosphorus sources at different rate and tillage practice on maize agronomic performance and soil chemical properties. The treatments used consisted of the combination of three sources of phosphorus at three doses each and two types of tillage, arranged in a split-plot device with three repetitions. Contour plowing increased corn grain yield by 22 and 16% compared to conventional plowing in 2013 and 2014, respectively, and improved the availability of PNT's phosphorus due to its ability to increase soil moisture. Maize growth and phosphorus uptake were better with contour plowing compared to conventional plowing with an increase of 44% and 65% respectively in 2013 and 2014. Relative agronomic efficiency was higher with contour plowing. level compared to conventional plowing. The powdered form of PNT significantly (P <0.05) increased phosphorus adsorption indices compared to the granule form. These results show that there is a great opportunity to improve maize production in Mali through the use of natural phosphorus combined with an adequate tillage practice.
Author Keywords: Available phosphorus, Maize, Mali, Tillage practice, TPR.
Volume 34, Issue 4, November 2021, Pages 845–857
Aliou Badara Kouyate1 and Serme Idriss2
1 Institut Polytechnique Rural de Formation et de Recherche Appliquée (IPR, IFRA), Département des Sciences et Techniques Agricoles, Unité science du sol, BP 06 Koulikoro, Mali
2 Institut de l’Environnement et de Recherches Agricoles (INERA) du , Centre National de la Recherche Scientifique et Technologique, Institut de l’Environnement et de Recherches Agricoles (CNRST), 04 BP 8645, Ouagadougou 04, Burkina Fa, Burkina Faso
Original language: French
Copyright © 2021 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The deficiency in available phosphorus for crops is a major constraint on cereal production in Mali. The objective of this study was to assess the combined effects of phosphorus sources at different rate and tillage practice on maize agronomic performance and soil chemical properties. The treatments used consisted of the combination of three sources of phosphorus at three doses each and two types of tillage, arranged in a split-plot device with three repetitions. Contour plowing increased corn grain yield by 22 and 16% compared to conventional plowing in 2013 and 2014, respectively, and improved the availability of PNT's phosphorus due to its ability to increase soil moisture. Maize growth and phosphorus uptake were better with contour plowing compared to conventional plowing with an increase of 44% and 65% respectively in 2013 and 2014. Relative agronomic efficiency was higher with contour plowing. level compared to conventional plowing. The powdered form of PNT significantly (P <0.05) increased phosphorus adsorption indices compared to the granule form. These results show that there is a great opportunity to improve maize production in Mali through the use of natural phosphorus combined with an adequate tillage practice.
Author Keywords: Available phosphorus, Maize, Mali, Tillage practice, TPR.
Abstract: (french)
La déficience en phosphore disponible pour les cultures, est une contrainte majeure à la production céréalière au Mali. L’objectif de cette étude était d’évaluer les effets combinés des sources de phosphore à différentes doses et le travail des sols sur les performances agronomiques du maïs et les propriétés chimiques du sol. Les traitements utilisés consistaient à la combinaison de trois sources de phosphore à trois doses chacune et deux types de travail du sol, arrangés dans un dispositif en split-plot avec trois répétitions. Le labour en courbe de niveau augmentait le rendement en grain du maïs de 22 et 16 % comparé au labour conventionnel, respectivement en 2013 et 2014 et améliorait la disponibilité du phosphore du PNT du fait de sa capacité à augmenter l’humidité du sol. La croissance du maïs et le prélèvement du phosphore ont été meilleurs avec le labour en courbe de niveau comparé au labour conventionnel avec respectivement une augmentation de 44 et 65 % en 2013 et 2014. L’efficacité agronomique relative était plus élevée avec le labour en courbe de niveau comparativement au labour conventionnel. La forme en poudre du PNT a augmenté significativement (P < 0.05) les indices d’adsorption du phosphore comparée à la forme granule. Ces résultats montrent qu’il existe une grande opportunité pour améliorer la production du maïs au Mali à travers une utilisation du phosphore naturel combiné à une pratique adéquate de travail du sol.
Author Keywords: Maïs, Mali. Phosphore assimilable, PNT, Travail du sol.
How to Cite this Article
Aliou Badara Kouyate and Serme Idriss, “Evaluation of the effectiveness of Tilemsi phosphate rock (PNT) under different tillage practices in the Sahelian zone of Mali,” International Journal of Innovation and Applied Studies, vol. 34, no. 4, pp. 845–857, November 2021.
