… Source: Oliver Raupach / Fotolia.com The following contents contain this medium: 2018 data on air quality: 57 cities exceed the NO2 limit value Nitrogen dioxide has …

… pest infestations. However, the situation in the particularly hot and dry year of 2018 demonstrates that specific weather scenarios can entail a massive spread of pest organisms. For example, 2018 was a pronounced brown-rust year. Most fungal-type pathogens do not play an … pest infestations. However, the situation in the particularly hot and dry year of 2018 demonstrates that specific weather scenarios can entail a massive spread of …