Summary
Mineralization of native N was curtailed by addition of carbon sources in all soils tested. A readily available energy source, sucrose, accelerated and increased the immobilization of native as well as added N more than a slowly available energy source, sugar cane bagasse. Addition of N as ammonium sulfate increased CO2 production in only one out of five soils when no energy source was added. With energy source addition, N addition enhanced CO2 production in most soils. Without any treatment, the immobilization of added N was related to the C:N ratio of the soil; maximum immobilization occurred in the soil with the widest C:N ratio.
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Agarwal, A.S., Singh, B.R. & Kanehiro, Y. Differential effect of carbon sources on nitrogen transformation in Hawaiian soils. Plant Soil 36, 529–537 (1972). https://doi.org/10.1007/BF01373504
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DOI: https://doi.org/10.1007/BF01373504