Root ecology and plant-soil interactions
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Utilize 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. Under organic farming conditions, crops are therefore dependent on extensive root systems and intensive cooperation with soil organisms. High soil fertility creates favourable physical, chemical and biological conditions and facilitates nutrient mobilization. We are investigating in various projects how the spatial development of the soil volume, functional root morphological properties and rhizodeposition can be promoted by various plant cultivation measures such as crop rotation, fertilization, tillage or mixed crops.
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. https://doi.org/10.1007/s11104-013-1673-5