Root ecology and plant-soil interactions
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Use water and nutrients in the soil more fully
Root ecology is central to plant nutrition in interaction with soil organisms.
With limited availability of external inputs, the importance of plant nutrition via soil life increases. Crops under organic farming conditions are therefore dependent on extensive root systems and intensive cooperation with soil organisms. High soil fertility creates favorable physical, chemical and biological conditions and facilitates nutrient mobilization. In various projects, we are investigating how the spatial development of soil volume, functional root morphological properties and rhizodeposition can be promoted by different crop management measures such as crop rotations, fertilization, tillage or mixed cropping.
Selected publications / lectures
Hefner M, Labouriau R, Nørremark M, Kristensen HL (2019) Controlled traffic farming increased crop yield, root growth, and nitrogen supply at two organic vegetable farms. Soil and Tillage research, 191, 117-130. https://doi.org/10.1016/j.still.2019.03.011
Hupe A, Schulz H, Naether F, Bruns C, Haase T, Heß J, Joergensen RG, Wichern F (2018) Even flow? Changes of carbon and nitrogen release from pea roots over time. Plant and Soil 431. 143-157 https://doi.org/10.1007/s11104-018-3753-z
Athmann M, Kautz T, Pude R, Köpke U (2013) Root growth in biopores - evaluation with in situ endoscopy. Plant and Soil 371: 179-190. doi. org/10.1007/s11104-013-1673-5