Jane wants to study the factors impacting the growth of plants in her backyard. She thinks that the soil in her backyard is contaminated and that the plants are not growing properly as a result. Which type of soil study should Jane undertake to confirm the contamination of soil?
A.
study of soil physics
B.
study of soil fertility
C.
study of soil microbiology
D.
study of soil conservation
E.
study of soil chemistry