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Photo: Rose Kristoffersen

2020.04.21 |

PhD defense: Old methods of cultivation can solve modern problems

On Thursday, 30 April, Rose Kristoffersen defends her PhD thesis at Department of Agroecology. Here she will talk about how to use, for example, mixtures of cultivar mixtures of wheat in the field to fight diseases.

Photo: David Nagy

2020.04.18 |

PhD: Earthworms facilitate fast transport of water and nitrogen to subsurface drainage systems

Congratulations to David Nagy. Just before Easter he defended his PhD with the title: Quantifying the transport and fate of dissolved nitrogen at different scales in drained agricultural landscapes.

Photo: AU Askov

2020.04.18 |

Long-term experiments show low levels of uranium in soil supplied with phosphorus fertilizers

A research group with the participation of Aarhus University has, with the help of the long-term fertilizer experiment at Askov Research Station and two field trials in Germany, shown that a low and harmless concentration of uranium in agricultural soil can be maintained, but only if phosphorus fertilizers from raw phosphate with a low content of…

Photo: Lars Kruuse AU Foto

2020.04.08 |

Later sowing can help control herbicide resistant weeds

Resistance to herbicides in weeds may be at the expense of other plant characteristics and may provide ideas for alternative control methods. Small changes in cultivation technology may help to reduce the problems of herbicide-resistant weeds in the fields, according to research from Department of Agroecology at Aarhus University.

Photo: In 2018, a Danish team won the first prize of 1000 EUR.

2020.04.02 |

Join the Biobased Innovation Student Challenge Europe!

Do you want to design a creative biobased solution in a multidisciplinary student team? Then join the Biobased Innovation Student Challenge Europe.

Photo: Johannes Lund Jensen. The moment Johannes Lund Jensen received his PhD degree on Skype for Business.

2020.04.01 |

Online PhD defence for the first time - it went brilliant

With just 11 audience members, four supervisors, two opponents, a spouse and two young children, Johannes Lund Jensen received his PhD degree as the first ever at the Department of Agroecology after completing his defence online.

Photo: Bioreactor using wood chips near Haderslev. Finn Plauborg.
Figure 1: Location of six new bioreactors in different Danish geo-regions.

2020.05.26 |

Results from the first year - six new bioreactors using wood chips

There is a huge need for new measures to help reduce nitrogen leaching to the aquatic environment. Recent results from Aarhus University demonstrate that between 29 and 49 percent of the nitrogen are removed when drainage water is led through a bioreactor with wood chips. However, this is to be confirmed in more experiments.

Photo: Janne Hansen

2020.03.30 |

Computer model can determine nitrogen mineralisation of catch crops

Reduced nitrate leaching and improved plant nitrogen availability are among the benefits of catch crops. A new model built by researchers from Department of Agroecology can determine the mineralisation of catch crops, and when linked to an agroecosystems model, it allows improved estimated of nitrate leaching and nitrogen supply to following…

Photo: Henning Thomsen

2020.03.30 |

Biochar as a source of phosphorus for crop fertilisation

Pyrolysis is not only a source of sustainable and climate-friendly energy, but the residual product from pyrolysis, biochar, can, in addition to carbon binding, also act as phosphorus fertiliser on agricultural fields.

Intensive and specialized farming may provide higher yields, but agroecological farming deliver other benefits.  Illustration: Yen Strandqvist/Chalmers University of Technology.

2020.04.20 |

Comparisons between organic and conventional agriculture need to be better, say researchers

The environmental impact of agriculture and food production is a highly topical issue and frequently discussed worldwide. However, researchers from Aarhus University, Chalmers University of Technology and INRAE point out that the comparison method most widely applied (LCA) often lacks some rather crucial factors. Often, the LCA method does not…

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