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Mineral Nitrogen and Microbial Biomass Dynamics under Different Acid Soil Management Practices for Maize Production

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  • Richard Onwonga
  • Joyce Lelei
  • Benson B. Mochoge

Abstract

Field and laboratory incubation studies were conducted to determine the effect of different acid soil managementpractices; liming (L), combined N and P fertilizers (NP), and goat manure (M) application, for maize production on thedynamics of mineral N, microbial biomass nitrogen (MBN) and microbial biomass carbon (MBC). A randomisedcomplete block design with a 23 factorial arrangement replicated thrice was used. The factors, each at two levels, were-NP fertilizers applied as triple superphosphate (0 and 75 kg ha-1), and urea (0 and 50 kg ha-1), L (0 and 2.5 t ha-1) and M(0 and 5 t ha-1) giving a total of eight treatments; L, M, NP, LM, LNP, MNP, LMNP and C (control). Soil samples fordetermination of mineral N, MBC and MBN were collected from the 0-15 and 15-30 cm depths at seedling, tasselling,and maturity stages of maize growth and after 0, 15, 30, 60, 120 and 240 days of laboratory incubation of soils obtainedfrom the same field.The NP treatment had significantly (P

Suggested Citation

  • Richard Onwonga & Joyce Lelei & Benson B. Mochoge, 2010. "Mineral Nitrogen and Microbial Biomass Dynamics under Different Acid Soil Management Practices for Maize Production," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 2(1), pages 1-16, February.
    • Handle: RePEc:ibn:jasjnl:v:2:y:2010:i:1:p:16
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    References listed on IDEAS

    as
    1. Poudel, D. D. & Horwath, W. R. & Mitchell, J. P. & Temple, S. R., 2001. "Impacts of cropping systems on soil nitrogen storage and loss," Agricultural Systems, Elsevier, vol. 68(3), pages 253-268, June.
    2. J. Černý & J. Balík & D. Pavlíková & M. Zitková & K. Sýkora, 2003. "The influence of organic and mineral nitrogen fertilizers on microbial biomass nitrogen and extractable organic nitrogen in long-term experiments with maize," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 49(12), pages 560-564.
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    Cited by:

    1. George Karuku & Benson O. Mochoge, 2018. "Nitrogen Mineralization Potential (No) in Three Kenyan Soils: Andosls, Ferralsols and Luvisols," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 10(4), pages 1-69, March.
    2. Hillary M. O. Otieno & George N. Chemining’wa & Shamie Zingore, 2018. "Effect of Farmyard Manure, Lime and Inorganic Fertilizer Applications on Soil pH, Nutrients Uptake, Growth and Nodulation of Soybean in Acid Soils of Western Kenya," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 10(4), pages 199-199, March.

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    More about this item

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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