2,441 posts

Plant production

Verdenal T., Spring J.-L., Dienes-Nagy Á., Bourdin G. und Zufferey V.

Impact of foliar nitrogen supplementation on Chardonnay and Sauvignon Blanc wines

The effectiveness of an application of foliar nitrogen at veraison depends on the initial level of vine nitrogen deficiency, an Agroscope study has shown. The threshold levels of assimilable nitrogen deficiency in the grape must are validated for Chardonnay but still need to be confirmed for Sauvignon Blanc.

Luka H., Blick T., Lenzin H., Luka Stan A., Reinbacher L., Pfifner L.

Conversion to Organics – Promotion of Species Diversity Can Often Only Be Detected After Some Considerable Time

Trials conducted by FiBL have shown that conversion to organic farming also promotes endangered Red List species such as the carabid beetle species Amara tricuspidata. This species and other species consume seeds of forbs and grasses and thus supports natural weed control.