Journal of
Soil Science and Environmental Management

  • Abbreviation: J. Soil Sci. Environ. Manage.
  • Language: English
  • ISSN: 2141-2391
  • DOI: 10.5897/JSSEM
  • Start Year: 2010
  • Published Articles: 311

Full Length Research Paper

Status and distribution of extractable micronutrients in Haplustults in Yamaltu-Deba Local Government Area, Gombe state, Nigeria

S. Mustapha1*, H. K. Mamman1 and N. A. Abdulhamid2
1Crop Production Programme, Abubakar Tafawa Balewa University, Bauchi, Nigeria. 2Department of Agricultural Engineering, Faculty of Engineering, University of Maiduguri, Nigeria.
Email: [email protected]

  •  Accepted: 23 September 2010
  •  Published: 30 November 2010

Abstract

A study was conducted to determine the status and distribution of extractable Zn, Cu, Fe and Mn in Haplustults in Yamaltu-Deba Local Government Area (LGA) of Gombe State, Nigeria. Composite soil samples representative of the soils in the LGA were collected from 0 - 15 and 15 - 30 cm depths of five locations (Hinna, Kanti, Jangargari, Gidan Waya and Dadin Kowa) and analyzed. Results indicate that the soils were dominantly sandy loam, very strongly to moderately acidic (pH = 4.7 - 5.9) and low in CEC (mean = 7.21 cmolkg-1), exchangeable bases (Means for Ca = 3.34, Mg = 0.71, K = 0.21, Na = 0.10 cmolkg-1) and organic carbon (mean = 7.27 g kg-1). Extractable Zn, Cu, Fe and Mn (in mgkg-1) were 0.48 - 0.75 (mean = 0.58), 0.18 - 0.26 (mean = 0.21), 18.40 - 21.91 (mean = 19.96), and 30. 54 - 38.58 (mean = 33.00), respectively. The micronutrients were neither significantly (P = 0.05) influenced by the depths nor locations. The Fe and Mn contents were above the critical limits for crop production in all the locations. Copper was low in soils from Hinna and Jangargari and will consequently benefit from its application. Zinc was, however, generally low and its application in all the locations are recommended for successful crop production in the area.

 

Key words: Haplustults, micronutrients, distribution.