Research developed in recent years underlines the importance of monoic hemp crops, both for economic values, in the agricultural field, and as an integrated substance in medical treatments. As in the case of other agricultural crops, for the analysis of the dynamics during a vegetation cycle of hemp crops, it is necessary to apply a well-established work flow, within an experimental device. In this context, through this study, a work protocol is presented through which the "classic" experimental technique is completed by geomatic means. The proposed work protocol involves a field stage, in which the experimental field is marked with GPS points and the sampling points are located with centimeter precision, which ensures the possibility of sampling from the same plant, in different phenophases. The second stage, the office one, involves: the graphic representation of the experimental site, based on the contour points marked in the field, and therefore the verification and validation of the necessary dimensions (dimensions between rows, free spaces, cultivated spaces, etc.); overlaying the experimental field with other thematic maps of environmental factors and thus extracting geospatial information (geology, climate data, soil, etc.) that complements the information collected directly from the field. To position the points in the field, GNSS equipment with a South receiver was used, with centimeter precision, and for data processing, AutoCAD Map 3D 2012 and ArcGIS 10.4 software were used. To extract the geospatial information, thematic maps in raster and vector format, taken from the specialized platforms, were used. The advantages of this working protocol consist in: locating with topographical precision the experimental device and the sampling points; the extraction of environmental data, point by point; the possibility of computerized comparison of the results obtained in different phenophases; spatialization of results and analysis of crop dynamics, both in a vegetation cycle and in different years; cartographic representation of the experimental field.

monoic hemp, geomatic techniques, experimental site

agronomy

Presentation: poster