In recent years, the use of biostimulants in sustainable agriculture has been growing. Biostimulants can be obtained from different organic materials and include humic substances (HS), complex organic materials, beneficial chemical elements, peptides and amino acids, inorganic salts, seaweed extracts, chitin and chitosan derivatives, antitranspirants, amino acids and other N-containing substanc...

In Sweden, municipal sewage sludge are not applied as nutrient supply on agricultural land used for crops for human consumption, due to a resistance among consumer, farmers associations and leading producers and grocery distributors. Thus, a nationwide initiative, ReVAQ, with a wide range of different stakeholders was established in 2003. The aim was to identify approaches to be implemented to ...

Quantitative knowledge of organic chemical release into the environment is essential to understand and predict human exposure as well as to develop rational control strategies for any substances of concern. While significant efforts have been invested to characterize and screen organic chemicals for hazardous properties, relatively less effort has been directed toward estimating emissions and h...

The field of the melting point measurements high-purity organic substances today includes a large number measuring instruments used in medicine, biology, and production perfumery cosmetic products. purpose research is to identify features justify approaches development certified reference materials provided with metrological traceability SI base measurement units «temperature» (°C). objectives ...