Q. By applying which of the following practices, contamination of hydroponics plants can be reduced?
A) Change the medium every week
B) Do not use tools from the outdoor garden
C) Complete aeration in hydroponic tank
D) All of the above
Explanation
All of the above
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.