Regularities of Ammonium Nitrogen Distribution in Calcisols


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Abstract

Ammonium nitrogen (N-NH4) concentration in the calcisols of the Nikitsky Botanical Garden shows considerable spatiotemporal variation. This study has shown an extremely close correlation and corresponding linear relationships between nitrogen stores in the different soil layers and the average monthly temperature as well as between the logarithms of N-NH4 concentration values and depth.

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I. I. Sudnitsyn

Department of Soil Science

Author for correspondence.
Email: iisud@mail.ru
Russian Federation, Moscow

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