Resin extraction
Encyclopedia
Resin extraction consists of incising the outer layers of a pine
Pine
Pines are trees in the genus Pinus ,in the family Pinaceae. They make up the monotypic subfamily Pinoideae. There are about 115 species of pine, although different authorities accept between 105 and 125 species.-Etymology:...

 tree in order to collect the sap or resin
Resin
Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. Resins are valued for their chemical properties and associated uses, such as the production of varnishes, adhesives, and food glazing agents; as an important source of raw materials...

.

Summary

Resin
Resin
Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. Resins are valued for their chemical properties and associated uses, such as the production of varnishes, adhesives, and food glazing agents; as an important source of raw materials...

 circulates throughout a coniferous
Pinophyta
The conifers, division Pinophyta, also known as division Coniferophyta or Coniferae, are one of 13 or 14 division level taxa within the Kingdom Plantae. Pinophytes are gymnosperms. They are cone-bearing seed plants with vascular tissue; all extant conifers are woody plants, the great majority being...

 tree, and serves to seal damage to the tree. Harvesting pine resin dates back to Gallo-Roman times
Gallo-Roman culture
The term Gallo-Roman describes the Romanized culture of Gaul under the rule of the Roman Empire. This was characterized by the Gaulish adoption or adaptation of Roman mores and way of life in a uniquely Gaulish context...

 in Gascony
Gascony
Gascony is an area of southwest France that was part of the "Province of Guyenne and Gascony" prior to the French Revolution. The region is vaguely defined and the distinction between Guyenne and Gascony is unclear; sometimes they are considered to overlap, and sometimes Gascony is considered a...

.

Tapping pines may either be done so as to sustain the life of the tree, or exhaustively in the years before the tree is cut down.

Traditional tapping

In Gascony, and to a lesser extent in Provence
Provence
Provence ; Provençal: Provença in classical norm or Prouvènço in Mistralian norm) is a region of south eastern France on the Mediterranean adjacent to Italy. It is part of the administrative région of Provence-Alpes-Côte d'Azur...

, pine-tapping was practiced as a form of sharecropping
Sharecropping
Sharecropping is a system of agriculture in which a landowner allows a tenant to use the land in return for a share of the crop produced on the land . This should not be confused with a crop fixed rent contract, in which a landowner allows a tenant to use the land in return for a fixed amount of...

, although uncertain status of the workers sometimes led to labor disputes.
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