Fuente: WIPO "industrial hemp" A pretreatment process of an industrial hemp crop according to the invention enables the separation of plant trichomes and other plant parts according to the content of biological components. The process enables the isolation of plant trichomes of industrial hemp or the extraction of CBD powder, which represents the highest value-added product, and the simultaneous processing of the whole plant material (VM) into fractions according to their further use. The process is carried out in an apparatus comprising conveyor belts (5), a crusher (1) with a screen, a rotating sieving drum (2), an inclined sieving screen (3), a cyclone separator (4) and collection vessels (Z1-Z5), whereby the process according to the invention processes the entire dried crop and yields six final fractions (M1-M6).