What are some ways to determine how toxic something is or can be?
define Biorational:
Overall least harmful effects
What is a Botanical?
What is Pyrethrum?
What clas is it in?
What is Rotenone?
What class is it in?
What is Azadiractin?
What class is it in?
what are inorganics?
what is Insecticidal soap?
What class is it in?
What are Horticulture Oils?
What class are they in?
What are Copper and Sulfur?
What Class are they in?