Improvement of the productivity of millet (Pennisetum glaucum (L.) R. Br.) Intercropped with the Arabic gum tree (Acacia senegal (L.) Willd.) in agroforestry parkland in Niger

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Ali Abdoulkadri Aichatou Assoumane Maman Manssour Abdou Issoufou Hassane Bil-assanou Djibo El Hadji Seybou Zoubeirou Mayaki Alzouma


In Niger, Acacia senegal species is used in agroforestry parklands in association with several cereals including millet. However, the performance of these associations is not optimal since the techniques applied lack expertise. The objective of this work is to promote the intercropping system Acacia senegal - millet to improve millet productivity. We compared millet production in different areas in an agroforestry parkland based on Acacia senegal in a Sahelian agro-ecological zone in Niger. Over two successive rainy seasons, concentric crowns are designed around A. senegal trees. Millet growth and yield parameters are measured on millet plants inside each crown under cover and out of cover of A. senegal canopy. In the second year, the experimentation was completed with some plots of 5 m x 5 m designed in two pure millet fields. Physico-chemical soil characterization of both cropping systems was also performed in the second year of the trial. The results of this study showed that growth and yield parameters are higher out of cover than under cover of A. senegal. However, these parameters are higher in the whole parkland compared to the pure millet culture system. The levels of mineral elements such as carbon and nitrogen are higher in the parkland than in fields of pure millet. These results show that the parkland with A. senegal has increased soil fertility, and improved yield of millet, so this system could be disseminated at the level of agricultural producers to improve the production of this cereal.  


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Abdoulkadri, A., Assoumane, A., Abdou, M. M., Hassane Bil-assanou, I., El Hadji Seybou, D., & Mayaki Alzouma, Z. (2018). Improvement of the productivity of millet (Pennisetum glaucum (L.) R. Br.) Intercropped with the Arabic gum tree (Acacia senegal (L.) Willd.) in agroforestry parkland in Niger. Advances in Agricultural Science, 7(1), 74-84. Retrieved from


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