Soil fauna, nitrogen dynamics and plant growth

International publications

Andersen, S.B., Axelsen, J.A., Elmholt, S., Debosz, K & Schjønning, P. (in prep) A correlation analysis of the Collembola community in relation to physical, chemical and microbiological factors in organically managed agricultural soils.

Axelsen, J.A., Thorup-Kristensen, K. (in press) The collembola community in plots fertilized with different types of green manure. Pedobiologia.

Berntsen, J. & Olesen, J.E. (in prep). Modelling competition in a mixture of pea and barley as affected by availability of soil nitrogen.

Bilde, T., Axelsen, J.A. & Toft, S. (in press). Value of Collembola from agricultural soils as food for the carabid beetle Bembidion lampros. Journal of Applied Ecology.

Bilde, T, Axelsen, J.A. and Toft, S. (in prep) Simulation study of aphid limitation by generalist predators: role of quality and availability of alternative prey.

Filser, J. & Krogh, P.H. (in prep.) Effects of collembolan leagues on nitrogen dynamics and plant growth.

Georgieva, S.S., Christensen, S., Gjelstrup, P., Petersen, H. & Kristensen K.T. (in prep.). Microfauna, mi-croarthropods and micro-organisms on vetch and rye root residues in the field.

Georgieva, S.S. & Christensen, S. (in prep). Successional changes in nematode assemblages and microfauna-microorganism interactions during plant residue decomposition.

Hansen, B., Kristensen, E.S., Grant, R., Høgh-Jensen, H., Simmelsgaard, S.E. & Olesen, J.E. (submitted). Nitrogen leaching from conventional versus organic farming systems - a modelling approach. European Journal of Agronomy.

Jamieson, P.D., Berntsen, J., Ewert, F., Kimball, B.A., Olesen, J.E., Pinter, P.J. Jr, Porter, J.R. & Semenov, M.A. (submitted). Modelling CO2 effects on wheat with varying nitrogen supplies. Agriculture, Ecosystems and Environment.

Krogh, P.H. & Filser, J. (in prep). Mesofaunal development in a mesocosm.

Marcussen, B.M., Axelsen, J.A. & Toft, S. (1999). The value of two Collembola species as food for a Liny-phiid spider. Entomologia, Experimentalis et Applicata 92, 29-36.

Olesen, J.E., Berntsen, J., Hansen, E.M., Petersen, B.M. & Petersen, J. (submitted). Crop nitrogen demand and canopy area expansion in winter wheat during vegetative growth. European Journal of Agronomy.

Olesen, J.E., Petersen, B.M., Berntsen, J., Hansen, S. & Jamieson, P.D. (in prep). Comparison of methods for simulating effects of nitrogen on green area index and dry matter growth in winter wheat. Field Crops Research.

Petersen, H. (in press). Collembola populations in an organic crop rotation: Population dynamics and metabolism after conversion from clover-grass ley to spring barley. Pedobiologia.

Petersen, H., Christensen, O.M., Gjelstrup, P., Holmstrup, M., Kristensen, H.L. & Mather, J.G. (in prep.) Population dynamics and metabolism of earthworms and soil mesofauna in an organic farming system in relation to soil nitrogen dynamics and crop nutrition.

Thomsen, I.K. & Olesen, J.E. (accepted). C and N mineralization of composted and anaerobically stored rumi-nant manure in differently textured soils. Journal of Agricultural Science, Cambridge.

Thomsen, I.K., Olesen, J.E., Schjønning, P., Jensen, B. & Christensen, B.T. (submitted). Net mineralization of soil N and 15N-ryegrass residues in differently textured soils of similar mineralogical composition. Soil Biology and Biochemistry.