Nationale Catalogue of potato varieties 2007

A survey conducted in the Canton of Vaud on Chasselas reveals frequent nitrogen deficiencies in the vineyard for the 2022-2023 vintage, despite the application of soil supplements. Only a third of those surveyed measure yeast-assimilable nitrogen (YAN) in the must.

Autumn-sown annual or perennial flower strips support antagonists of aphids, which are vectors of virus yellows, a severe disease in sugar beet. The effectiveness of these strips is influenced by floral composition, sowing time point and surrounding landscape elements.

Faced with climate change that undermines the stability of forage production, the introduction of more-drought-tolerant catch crops represents an adaptive strategy with a high likelihood of success in safeguarding livestock feed supplies.