-
4000 BCE
Egypt
used yeast to make bread -
250 BCE
Ancient Greece
practice crop rotation for maximum soil fertility -
100
First insecticide produced in china from powdered chrysanthemums
-
1300
Renaissance
while the Renaissance was occurring in Europe, Aztecs used algae to make cakes -
17th Century
Antone van Leeuwenhoek discovered an described bacteria and protozoa -
18th Century
Edward Jenner makes First vaccine for smallpox -
1994
The first commercial use of GMO with Calgenes unsuccessful flavr savr delayed ripening tomatoes