The results of this study have lead to our preliminary understanding of the adaptability of the t... more The results of this study have lead to our preliminary understanding of the adaptability of the tree Prosopis pallida in Maiduguri. And since there is no known plantation of P. Pallida that exists in other parts of Nigeria, it is a pioneering trail with a high concentration of the species. An important principle in trying an introduced plant species is the need to carry out trials for specific sites, and that great care should be taken when predicting performance of a new site on the basis of existing trials that are different with regard to climate and soil. With the advantages and uses of P. pallida it is necessary for the University of Maiduguri and indeed to see to the conclusion of this important project (2003-2005). This study should provide the basic information on the development of Prosopis pallida in the field using various propagation methods. Adequate data on the characteristic and performance of Algarroba tree would be generated for further research to compare the ability of Algarroba tree with locally identifiable Prosopis species in respect to the control of drought and soil moisture deficit in the arid and semi arid regions of northern Nigeria. The potentials of using P. pallida for human and livestock consumption would have been evaluated by the end of Phase II with attendant recommendations for further research.
Research Journal of Science; Vol. 3 (2): 1-11., 1997
Infiltration and aggregation studies were carried out on four pedons Typic and Aquic Ustifluvents... more Infiltration and aggregation studies were carried out on four pedons Typic and Aquic Ustifluvents (USA) or Eutric Fluvisols (FAO) in the Ngadabul flood plain. The four pedons represent the four major mapping units in the study area. The studies confirm the high erodibility of these sandy soils. The soil are characterized by low to moderately rapid basic infiltration rates ranging from 2.2cm/hr to 12.0/hr with total water intake of 14.5cm, 54cm, 63cm and 81cm in six hours of infiltration.Less than 50% of the soil mass formed into aggregate larger than 2.00mm in dry state. 15 to 40% of the aggregate fall in the range of 0.25 to 2.0mm size, leaving the dominant proportion of soil as loose fine sand. All aggregate larger than 0.25mm broke down readily to primary particles on wetting. The dispersion and erosion ratios are high, while degree and state of aggregation are low. The structural and aggregate instability of these soils have contributed immensely to the carving-in and slumping process which are intensive along the river banks and excavations, and to the development of gullies and rills. Seasonal flooding and increased run-off from residential areas intensify the degradational processes.
The results of this study have lead to our preliminary understanding of the adaptability of the t... more The results of this study have lead to our preliminary understanding of the adaptability of the tree Prosopis pallida in Maiduguri. And since there is no known plantation of P. Pallida that exists in other parts of Nigeria, it is a pioneering trail with a high concentration of the species. An important principle in trying an introduced plant species is the need to carry out trials for specific sites, and that great care should be taken when predicting performance of a new site on the basis of existing trials that are different with regard to climate and soil. With the advantages and uses of P. pallida it is necessary for the University of Maiduguri and indeed to see to the conclusion of this important project (2003-2005). This study should provide the basic information on the development of Prosopis pallida in the field using various propagation methods. Adequate data on the characteristic and performance of Algarroba tree would be generated for further research to compare the ability of Algarroba tree with locally identifiable Prosopis species in respect to the control of drought and soil moisture deficit in the arid and semi arid regions of northern Nigeria. The potentials of using P. pallida for human and livestock consumption would have been evaluated by the end of Phase II with attendant recommendations for further research.
Research Journal of Science; Vol. 3 (2): 1-11., 1997
Infiltration and aggregation studies were carried out on four pedons Typic and Aquic Ustifluvents... more Infiltration and aggregation studies were carried out on four pedons Typic and Aquic Ustifluvents (USA) or Eutric Fluvisols (FAO) in the Ngadabul flood plain. The four pedons represent the four major mapping units in the study area. The studies confirm the high erodibility of these sandy soils. The soil are characterized by low to moderately rapid basic infiltration rates ranging from 2.2cm/hr to 12.0/hr with total water intake of 14.5cm, 54cm, 63cm and 81cm in six hours of infiltration.Less than 50% of the soil mass formed into aggregate larger than 2.00mm in dry state. 15 to 40% of the aggregate fall in the range of 0.25 to 2.0mm size, leaving the dominant proportion of soil as loose fine sand. All aggregate larger than 0.25mm broke down readily to primary particles on wetting. The dispersion and erosion ratios are high, while degree and state of aggregation are low. The structural and aggregate instability of these soils have contributed immensely to the carving-in and slumping process which are intensive along the river banks and excavations, and to the development of gullies and rills. Seasonal flooding and increased run-off from residential areas intensify the degradational processes.
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