[ Performances de Tamarix aphylla (L.) H.Karst. var erectus sur sols sulfatés acides salés du terroir de Ndiaffate, Kaolack (Sénégal) ]
Volume 40, Issue 2, January 2019, Pages 359–367
Elhadji FAYE1, Mamoudou Abdoul TOURE2, Malaïny DIATTA3, and Mouhameth SARR4
1 Institut Supérieur de Formation Agricole et Rurale ex ENCR, Université de Thiès, BP 54 Bambey, Senegal
2 Institut Sénégalais de Recherches Agricoles, BP. 3120, Senegal
3 Institut Sénégalais de Recherches Agricoles, BP. 3120, Senegal
4 Institut Supérieur de Formation Agricole et Rurale (ISFAR), Université de Thiès, BP 54 - Bambey, Senegal
Original language: French
Copyright © 2019 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 increasing salinization of Sine Saloum river basin lands is on a scale that far exceeds the current reclamation and use capacity of populations. For this, a biomechanical design associating a levee network and Tamarix aphylla (L.) H.Karst as a biological pump was implemented in Ndiaffate village in 1998. The experimental design was a randomized complete blocks with three treatments, a control and five replicates. The treatments were three planting densities (4 x 3, 4 x 4 and 4 x 5 m). Ten years later, it was important to evaluate species and its effects on salinity and acidity of studied lands. Systematic monitoring of plants was conducted. Diameter, height and number of T. aphylla stems, salinity and acidity of the experimental plots were measured. Data analysis shows that planting density has direct effects on T. aphylla growth and undirect effects on soil salinity and acidity. The 4 x 5 m treatment seems to give the best success rates and growth. A significant difference was found between height, diameter and regeneration means. A follow-up of the amplitude of chemical parameters’ seasonal variations seems to be necessary.
Author Keywords: Salty soils, Tamarix aphylla, Density, Sprouting.
Volume 40, Issue 2, January 2019, Pages 359–367
Elhadji FAYE1, Mamoudou Abdoul TOURE2, Malaïny DIATTA3, and Mouhameth SARR4
1 Institut Supérieur de Formation Agricole et Rurale ex ENCR, Université de Thiès, BP 54 Bambey, Senegal
2 Institut Sénégalais de Recherches Agricoles, BP. 3120, Senegal
3 Institut Sénégalais de Recherches Agricoles, BP. 3120, Senegal
4 Institut Supérieur de Formation Agricole et Rurale (ISFAR), Université de Thiès, BP 54 - Bambey, Senegal
Original language: French
Copyright © 2019 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 increasing salinization of Sine Saloum river basin lands is on a scale that far exceeds the current reclamation and use capacity of populations. For this, a biomechanical design associating a levee network and Tamarix aphylla (L.) H.Karst as a biological pump was implemented in Ndiaffate village in 1998. The experimental design was a randomized complete blocks with three treatments, a control and five replicates. The treatments were three planting densities (4 x 3, 4 x 4 and 4 x 5 m). Ten years later, it was important to evaluate species and its effects on salinity and acidity of studied lands. Systematic monitoring of plants was conducted. Diameter, height and number of T. aphylla stems, salinity and acidity of the experimental plots were measured. Data analysis shows that planting density has direct effects on T. aphylla growth and undirect effects on soil salinity and acidity. The 4 x 5 m treatment seems to give the best success rates and growth. A significant difference was found between height, diameter and regeneration means. A follow-up of the amplitude of chemical parameters’ seasonal variations seems to be necessary.
Author Keywords: Salty soils, Tamarix aphylla, Density, Sprouting.
Abstract: (french)
La salinisation croissante des terres du bassin du fleuve Sine Saloum, a pris une ampleur dépassant de loin les capacités actuelles de restauration et de valorisation des populations. Face à ce constat, un dispositif biomécanique combinant diguettes et pompe biologique ou Tamarix aphylla (L.) H.Karst. a été installé à Ndiaffate en 1998. Le dispositif expérimental est en blocs complets randomisés avec trois traitements, un témoin et cinq répétitions. Les traitements sont les densités de plantation (4 x 3, 4 x 4 et 4 x 5 m). Dix ans plus tard, il était important d’évaluer le comportement de T. aphylla et ses effets sur la salinité et l’acidité des terres étudiées. Un suivi systématique des individus plantés a été ainsi conduit. Les variables mesurées et analysées sont : diamètre, hauteur, nombre de tiges, salinité et acidité. La densité de plantation a des effets directs sur la croissance de T. aphylla et indirects sur la salinité et l’acidité des sols. Le traitement 4 x 5 m semble donner les meilleurs taux de réussite, croissance et contrôle de l’acidité et de la salinité. Une différence significative a été notée entre les moyennes de hauteur, diamètre et régénération. Un suivi de l’amplitude des variations saisonnières des paramètres chimiques semble nécessaire.
Author Keywords: Sols salés, Tamarix aphylla, Densité, Régénération.
How to Cite this Article
Elhadji FAYE, Mamoudou Abdoul TOURE, Malaïny DIATTA, and Mouhameth SARR, “Performance of Tamarix aphylla (L.) H.Karst. var erectus on salty acid sulphate soils of Ndiaffate terroir, Kaolack (Senegal),” International Journal of Innovation and Scientific Research, vol. 40, no. 2, pp. 359–367, January 2019.
