Predicting Mineral N Release during Decomposition of Organic Wastes in Soil by Use of the SOILN_NO Model
Joint Authors
Sogn, Trine A.
Haugen, Lars Egil
Source
Applied and Environmental Soil Science
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-05-04
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Earth Science , Water and Environment
Abstract EN
In order to predict the mineral N release associated with the use of organic waste as fertilizer in agricultural plant production, the adequacy of the SOILN_NO model has been evaluated.
The original thought was that the model calibrated to data from simple incubation experiments could predict the mineral N release from organic waste products used as N fertilizer on agricultural land.
First, the model was calibrated to mineral N data achieved in a laboratory experiment where different organic wastes were added to soil and incubated at 15°C for 8 weeks.
Secondly, the calibrated model was tested by use of NO3 − leaching data from soil columns with barley growing in 4 different soil types, added organic waste and exposed to natural climatic conditions during three growing seasons.
The SOILN_NO model reproduced relatively well the NO3 − leaching from some of the soils included in the outdoor experiment, but failed to reproduce others.
Use of the calibrated model often induced underestimation of the observed NO3 − leaching.
To achieve a satisfactory simulation of the NO3 − leaching, recalibration of the model had to be carried out.
Thus, SOILN_NO calibrated to data from simple incubation experiments in the laboratory could not directly be used as a tool to predict the N-leaching following organic waste application in more natural agronomic plant production systems.
The results emphasised the need for site- and system-specific data for model calibration before using a model for predictive purposes related to fertilizer N value of organic wastes applied to agricultural land.
American Psychological Association (APA)
Sogn, Trine A.& Haugen, Lars Egil. 2011. Predicting Mineral N Release during Decomposition of Organic Wastes in Soil by Use of the SOILN_NO Model. Applied and Environmental Soil Science،Vol. 2011, no. 2011, pp.1-16.
https://search.emarefa.net/detail/BIM-450716
Modern Language Association (MLA)
Sogn, Trine A.& Haugen, Lars Egil. Predicting Mineral N Release during Decomposition of Organic Wastes in Soil by Use of the SOILN_NO Model. Applied and Environmental Soil Science No. 2011 (2011), pp.1-16.
https://search.emarefa.net/detail/BIM-450716
American Medical Association (AMA)
Sogn, Trine A.& Haugen, Lars Egil. Predicting Mineral N Release during Decomposition of Organic Wastes in Soil by Use of the SOILN_NO Model. Applied and Environmental Soil Science. 2011. Vol. 2011, no. 2011, pp.1-16.
https://search.emarefa.net/detail/BIM-450716
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-450716