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- aggregation classification "P1".
- aggregation creator person.
- aggregation creator person.
- aggregation date "2001".
- aggregation hasFormat 402066.bibtex.
- aggregation hasFormat 402066.csv.
- aggregation hasFormat 402066.dc.
- aggregation hasFormat 402066.didl.
- aggregation hasFormat 402066.doc.
- aggregation hasFormat 402066.json.
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- aggregation hasFormat 402066.mods.
- aggregation hasFormat 402066.rdf.
- aggregation hasFormat 402066.ris.
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- aggregation hasFormat 402066.xls.
- aggregation hasFormat 402066.yaml.
- aggregation isPartOf urn:isbn:9789066059740.
- aggregation isPartOf urn:issn:0567-7572.
- aggregation language "eng".
- aggregation publisher "International Society for Horticultural Science (ISHS)".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "Time domain reflectometry for monitoring soil nitrogen dynamics".
- aggregation abstract "The study of soil nitrogen transformations, both under laboratory conditions and in situ, requires a large number of time consuming and expensive chemical analyses. In this paper we present a possible alternative to chemical analysis when monitoring N dynamics. Time domain reflectometry (TDR) allows simultaneous monitoring of soil moisture content and bulk soil electrical conductivity (EC). In non-saline soils the nitrate ion plays an important part in the changes of soil solution electrical conductivity over time. We used the strong correlation between NO3--N concentration and EC for on-line monitoring of the mineralization process in two soils with different mineralization potential. Agreement between measured and TDR calculated NO3--N concentrations were good. The observed discrepancies between measured and calculated NO3--N concentrations can be explained by the influence on the EC of other anions, mainly SO42- and HCO3. In a second experiment we used TDR to monitor the immobilisation of native and added NO3--N in soil with addition of glucose. The TDR calculated NO3--N concentrations showed a strong immobilisation of N in the first 2-3 days, followed by a gradual remineralization. From the results presented here it can be concluded that TDR has potential to monitor soil N transformations, especially under controlled environmental conditions such as in laboratory incubation studies.".
- aggregation authorList BK216258.
- aggregation endPage "238".
- aggregation startPage "233".
- aggregation volume "563".
- aggregation isDescribedBy 402066.
- aggregation similarTo LU-402066.