cacao shade trees:-world cacao foundation pdf
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0CCoQFjAEahUKEwjFy4jlh8XIAhWPLYgKHdY1AS8&url=http%3A%2F%2Fworldcocoafoundation.org%2Fwp-content%2Ffiles_mf%2Fsomarriba2007e.pdf&usg=AFQjCNFay1LLkvb45LoHtrsbJu0–8NCxw
https://en.wikipedia.org/wiki/Theobroma_cacao
https://en.wikipedia.org/wiki/Coffea
http://www.volcanodiscovery.com/ecuador.html
Devries Group 7 Collection