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http://dx.doi.org/10.2136/sssaj2008.0303

has been cited by the following article:

• TITLE: Estimating Potential Nitrogen Mineralisation Using the Solvita Soil Respiration System

  AUTHORS: Richard L. Haney, Elizabeth B. Haney

  KEYWORDS: Anaerobic N, Nitrogen Mineralisation, Soil Respiration

  JOURNAL NAME: Open Journal of Soil Science, Vol.5 No.12, December 23, 2015

  ABSTRACT: Nitrogen (N) mineralisation contributes considerably to crop growth in fertilized and unfertilized fields. It is useful to be able to assess potential N mineralisation to increase fertilizer application efficiency, prevent excessive N runoff, and improve environmental system models. The microbes present in soil mineralize N based on many factors, including soil temperature and moisture, tillage, and levels of organic C and N. The measurement of soil’s ability to mineralize N is considered a good indicator of soil quality. Many methods have been developed to estimate N mineralisation in the laboratory and field. The 7-day anaerobic N mineralisation method developed in the 1960’s is considered reliable and is often used to compare new N-mineralisation testing methods. This study examines the use of soil CO2 evolution as determined using the Solvita Soil Respiration System (Solvita) for estimating N mineralisation by comparing it directly to the anaerobic N mineralisation test. Measured CO2 using Solvita was strongly correlated with anaerobic N mineralisation (r2 = 0.82). Results indicate that the Solvita Soil Respiration System can be used to rapidly assess soil respiration and relative N mineralisation potential in any given soil and is considerably faster and easier to perform in a laboratory setting than the anaerobic N mineralisation test.