agronomy vs breeding

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. 

breeding

noun
  • The act of copulation in animals. 

  • Propagation of offspring through sexual reproduction. 

  • The good manners regarded as characteristic of the aristocracy and conferred by heredity. 

  • Nurture; education; formation of manners. 

  • Descent; pedigree; extraction. 

  • Ejaculation inside the rectum during bareback anal sex. 

  • The act of insemination by natural or artificial means. 

adj
  • Of, relating to or used for breeding. 

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