Sown wildflower strips improve pest control, and diverse, perennial strips also improve pollination services. Hedgerows in Switzerland yielded good results, while internationally effects were inconsistent. The effects on yield were variable.
Microbial activity in the soil is an indicator of soil health. An analysis of data series from the cantonal soil-monitoring networks over a ten-year period confirms textbook knowledge and shows what we need to look out for.
Researchers from Agroscope, Eawag and ETH have developed a method for the comprehensive detection of organic pollutant residues in soils and sediments. Initial results show that, in addition to known substances, there are also a number of substances detected for the first time.