agronomy vs cultivation

agronomy

noun
  • The science of utilizing plants, animals and soils for food, fuel, feed, and fiber and more. To do this effectively and sustainably, agronomy encompasses work in the areas of plant genetics, plant physiology, meteorology, animal sciences and soil science. 

cultivation

noun
  • The state of being cultivated or used for agriculture 

  • The art or act of cultivating; improvement of land for or by agriculture 

  • Advancement or refinement in physical, intellectual, or moral condition 

  • Devotion of time or attention to the improvement of (something) 

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