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Abstract
Flemish and Dutch agricultural land management is characterized by a structural surplus of nutrients. At the same time, soil degradation is intensifying and substantial amounts of soil organic matter are lost. The rationale of the project ‘DEMETER’ is that insights in sustainable nutrient and soil organic matter management can be translated into practical recommendations to farmers by offering them a decision support tool (DST) that simultaneously optimizes soil organic matter and nutrient applications to the soil. A DST, which delivers advice on nutrient management (N and P balances) and carbon evolution in the soil (based on the Roth-C model, Coleman and Jenkinson, 1996) has been developed. To enhance a successful implementation of the DST in agricultural practice, the number of input variables is limited and the program works with a user-friendly interface. The DST is being tested and fine-tuned based on the experiences of 80 Flemish and Dutch arable and dairy farms in the period 2013-2015. Soil and manure samples on all farms (1-2 fields per farm) are analysed in order to give tailored recommendations on sustainable soil and nutrient management. The farmers are supported by counsellors through individual farm visits in Flanders and group sessions in the Netherlands. Each year, the application of sustainable soil management will be evaluated through additional measurements. Towards the end of 2014, the definite content of the DST tool will be assessed and the tool will be made available on-line.
Keywords
fertilizer recommendation, soil organic matter management, nutrient management, decision support tool

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Chicago
Verlinden, Greet, Stefaan De Neve, Romke Postma, Davy Germeys, Steven Sleutel, Marjoleine Hanegraaf, Patrick Verstegen, Jeroen De Waele, Gerard Ros, and Sarah Steyaert. 2013. “DEMETER: Sustainable and Integrated Soil Management to Reduce Environmental Effects.” In NUTRIHORT : Nutrient Management, Innovative Techniques and Nutrient Legislation in Intensive Horticulture for an Improved Water Quality : Proceedings, ed. Karoline D’Haene, Bart Vandecasteele, Raf De Vis, Sara Crappé, Danny Callens, Els Mechant, Georges Hofman, and Stefaan De Neve, 307–313. Merelbeke, Belgium: Institute of Agricultural and Fisheries Research (ILVO).
APA
Verlinden, G., De Neve, S., Postma, R., Germeys, D., Sleutel, S., Hanegraaf, M., Verstegen, P., et al. (2013). DEMETER: sustainable and integrated soil management to reduce environmental effects. In Karoline D’Haene, B. Vandecasteele, R. De Vis, S. Crappé, D. Callens, E. Mechant, G. Hofman, et al. (Eds.), NUTRIHORT : nutrient management, innovative techniques and nutrient legislation in intensive horticulture for an improved water quality : proceedings (pp. 307–313). Presented at the NUTRIHORT : Nutrient management, innovative techniques and nutrient legislation in intensive horticulture for an improved water quality, Merelbeke, Belgium: Institute of Agricultural and Fisheries Research (ILVO).
Vancouver
1.
Verlinden G, De Neve S, Postma R, Germeys D, Sleutel S, Hanegraaf M, et al. DEMETER: sustainable and integrated soil management to reduce environmental effects. In: D’Haene K, Vandecasteele B, De Vis R, Crappé S, Callens D, Mechant E, et al., editors. NUTRIHORT : nutrient management, innovative techniques and nutrient legislation in intensive horticulture for an improved water quality : proceedings. Merelbeke, Belgium: Institute of Agricultural and Fisheries Research (ILVO); 2013. p. 307–13.
MLA
Verlinden, Greet, Stefaan De Neve, Romke Postma, et al. “DEMETER: Sustainable and Integrated Soil Management to Reduce Environmental Effects.” NUTRIHORT : Nutrient Management, Innovative Techniques and Nutrient Legislation in Intensive Horticulture for an Improved Water Quality : Proceedings. Ed. Karoline D’Haene et al. Merelbeke, Belgium: Institute of Agricultural and Fisheries Research (ILVO), 2013. 307–313. Print.
@inproceedings{4241502,
  abstract     = {Flemish and Dutch agricultural land management is characterized by a structural surplus of nutrients. At the same time, soil degradation is intensifying and substantial amounts of soil organic matter are lost. The rationale of the project ‘DEMETER’ is that insights in sustainable nutrient and soil organic matter management can be translated into practical recommendations to farmers by offering them a decision support tool (DST) that simultaneously optimizes soil organic matter and nutrient applications to the soil.
A DST, which delivers advice on nutrient management (N and P balances) and carbon evolution in the soil (based on the Roth-C model, Coleman and Jenkinson, 1996) has been developed. To enhance a successful implementation of the DST in agricultural practice, the number of input variables is limited and the program works with a user-friendly interface. The DST is being tested and fine-tuned based on the experiences of 80 Flemish and Dutch arable and dairy farms in the period 2013-2015. Soil and manure samples on all farms (1-2 fields per farm) are analysed in order to give tailored recommendations on sustainable soil and nutrient management. The farmers are supported by counsellors through individual farm visits in Flanders and group sessions in the Netherlands. Each year, the application of sustainable soil management will be evaluated through additional measurements. Towards the end of 2014, the definite content of the DST tool will be assessed and the tool will be made available on-line.},
  articleno    = {paper 61},
  author       = {Verlinden, Greet and De Neve, Stefaan and Postma, Romke and Germeys, Davy and Sleutel, Steven and Hanegraaf, Marjoleine and Verstegen, Patrick and De Waele, Jeroen and Ros, Gerard and Steyaert, Sarah},
  booktitle    = {NUTRIHORT : nutrient management, innovative techniques and nutrient legislation in intensive horticulture for an improved water quality : proceedings},
  editor       = {D'Haene, Karoline and Vandecasteele, Bart and De Vis, Raf and Crappé, Sara and Callens, Danny and Mechant, Els and Hofman, Georges and De Neve, Stefaan},
  isbn         = {9789040303463},
  keywords     = {fertilizer recommendation,soil organic matter management,nutrient management,decision support tool},
  language     = {eng},
  location     = {Ghent, Belgium},
  pages        = {paper 61:307--paper 61:313},
  publisher    = {Institute of Agricultural and Fisheries Research (ILVO)},
  title        = {DEMETER: sustainable and integrated soil management to reduce environmental effects},
  year         = {2013},
}