Associate proffessor in Soil Science/Plant Nutrition.

Professional interests

Nitrogen mineralisation and fertilisation effects (N & P) from organic fertilizers
Optimized manure application for improved nitrogen efficiency
Effects of fertilisation and crop protection on nitrogen leaching
Within-field variations in soil nitrogen mineralisation 
Nitrogen fertilisation of cereals
Farm soil mapping systems

Research projects

Nitrogen leaching in relation to fertilisation level on different soils

Nitrate leaching after different timing of fertilization with slurry

Phosphorus fertilization value of waste products

Phosphorus leaching after different nitrogen fertilization levels 

Publications

Doctoral thesis
Delin, S. 2005. Site-specific Nitrogen Fertilization Demand in Relation to Plant Available Soil Nitrogen and Water. Potential for prediction based on soil characteristics. Acta Universitatis Agriculturae Sueciae 2005:6, 55 pp.

Papers in scientific international journals
Delin, S. and Lindén, B. 2002. Relations between net nitrogen mineralization and soil characeteristics within an arable field. Acta Agriculturae Scandinavica, Section B. Soil and Plant Sci. 52, 2, 78-85.

Delin, S. och Söderström, M. 2003. Performance of soil electrical conductivity and different methods for mapping soil data from a small dataset. Acta Agriculturae Scandinavica, Section B. Soil and Plant Sci. 52, 127-135.

Delin, S. 2005. Within-field variations in grain protein content – relationships to yield and soil nitrogen and consistency in maps between years. Precision Agriculture 5, 565-577.

Delin, S., Lindén, B. and Berglund, K. 2005. Yield and protein response to fertilizer nitrogen in different parts of a cereal field: potential of site-specific fertilization. Europ. J. Agronomy 22, 325-336.

Delin, S. and Berglund K. 2005. Management zones classified with respect to drought and waterlogging. Precision Agriculture 6, 321-340.

Delin, S., Nyberg, A., Lindén, B., Ferm, M., Torstensson, G.,  Lerenius C. and Gruvaeus, I. 2008. Impact of crop protection on nitrogen utilisation and losses in winter wheat production. European Journal of Agronomy 28, 361-370

Strömberg, N., Engelbrektsson, J. and Delin, S. A high throughput optical system for imaging optodes. Sensors and Actuators B 140, 418–425.

Delin S., Engström L. 2010. Timing of organic fertiliser application to synchronise nitrogen supply with crop demand Acta Agriculturae Scandinavica. Section B, Soil and Plant Science vol. 60 78-88

Karlsson T., Delin S., Kätterer T., Berglund K., Andrén O. 2011. Calculating temporal and spatial variation in nitrogen mineralisation within an arable field in Sweden. Acta Agriculturae Scandinavica. Section B, Soil and Plant Science vol. 61 333-344

Delin S. 2011. Fertilizer value of nitrogen in hen and broiler manure after application to spring barley using different application timing. Soil Use and Management, 27, 415–426

Delin S., Strömberg N. 2011. Imaging-optode measurements of ammonium distribution in soil after different manure amendments. European Journal of Soil Science 62, 295–304.