Lena Engström
University degree
Agronomy, PhD in Plant nutrition (Soil science) 2010.
Background and interests
N fertilisation strategies to winter oilseeed rape (organic and conventional).
The impact of crop residues on soil N dynamics.
Residual N-effects of winter oilseed rape, peas and oats in winter wheat. Impact on yield, optimum N rate and N leaching.
N fertilisation strategies in low density winter wheat.
Current research projects
- Optimising the spring N-rate to winter oilseed rape.
- The impact of sowing date on N leaching and yield of winter oilseed rape fertilised with slurry and mineral N at sowing.
Publications
Stenberg, M., Engström, L., Wallenhammar, A.C., Gruvaeus, I., Lööf, P.J. 2011. Nitrogen management strategies in organic winter oilseed rape (Brassica napus L.) production. Submitted to Organic Agriculture.
Engström, L., Lindén, B. 2011. Temporal course of net N mineralisation-immobilisation in topsoil during autumn and winter following incorporation of crop residues of winter oilseed rape, peas and oats in a northern climate. Submitted to Soil Use and Management.
Engström, L. 2010. Nitrogen dynamics in crop sequences with winter oilseed rape and winter wheat. Dissertation No. 2010:92, Swedish University of Agricultural Sciences, Department of Soil and Environment.
Engström, L., Stenberg, M., Aronsson, H., Lindén, B. 2010. Reducing nitrate leaching after winter oilseed rape and peas in mild and cold winters. Agron Sust Develop 31, 337-347.
Engström, L, Bergkvist, G. 2009.The effects of three N strategies on tillering and yield of low shoot density winter wheat. Acta Agriculturae Scandinavica Section B – Soil and Plant Science 59, 536-543.
Engström, L., Lindén, B., 2009. Importance of soil mineral N in early spring and subsequent net N mineralisation for winter wheat following winter oilseed rape and peas in a milder climate. Acta Agriculturae Scandinavica, Section B – Plant Soil Science 59: 402-413.
Delin, S., Engström, L., 2008. Timing of organic fertiliser application to synchronise nitrogen supply with crop demand. Acta Agriculturae Scandinavica, Section B - Plant Soil Science.