This guide was developed in the framework of the LIFE ENV/GR/951 project, entitled “Sustainable strategies for the improvement of seriously degraded agricultural areas: the example of Pistachia vera L.” (AgroStrat) and aims to provide useful information and instructions to pistachio producers and farmers from the Mediterranean region regarding composting in field of the solid wastes generating after dehulling of pistachio nuts, as well as to present the composting method developed during the project.