arboriculture vs farming

arboriculture

noun
  • The branch of horticulture concerned with the planting, growth, and maintenance of trees. 

farming

noun
  • The business of cultivating land, raising stock etc. 

  • A farming operation; a farm, or instance of farming on a piece of land. 

adj
  • Raising livestock or fish. 

  • Pertaining to the agricultural business. 

How often have the words arboriculture and farming occurred in a corpus of books? (source: Google Ngram Viewer )