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International Journal of Soil Science
  Year: 2011 | Volume: 6 | Issue: 4 | Page No.: 275-281
DOI: 10.3923/ijss.2011.275.281
 
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Content and Distribution of Nitrogen Forms in Some Black Cotton Soils in Akko LGA, Gombe State, Nigeria

S. Mustapha, N. Voncir and S. Umar

Abstract:
A study was conducted to determine the content and distribution of nitrogen forms in some soils of Akko Local Government Area (LGA) of Gombe State, Nigeria. A total of 60 composite soil samples were collected from 0-15 and 15-30 cm depths from purposively selected representative locations in the study area and analyzed using standard procedures. Results obtained showed that the soils were generally low in nitrogen, with organic nitrogen accounting for about 72.8% of the total nitrogen in the soils. The nitrogen forms followed the trend: total nitrogen>total organic nitrogen >NH4-N>NO3¯-N>NO2¯-N in content, while each of the nitrogen forms was more or less uniformly distributed in the study area. Owing to the low available nitrogen content in the soil (<12% of the total N), it is recommended that supplementary nitrogen application and improvement of the drainage conditions of all the soils be employed to improve the nitrogen status of the soils.
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How to cite this article:

S. Mustapha, N. Voncir and S. Umar, 2011. Content and Distribution of Nitrogen Forms in Some Black Cotton Soils in Akko LGA, Gombe State, Nigeria. International Journal of Soil Science, 6: 275-281.

DOI: 10.3923/ijss.2011.275.281

URL: https://scialert.net/abstract/?doi=ijss.2011.275.281

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