Q. Organic farming includes I. use of biofertilisers and biopesticides II. crop rotation III. locally developed pest resistant varieties Choose the correct option
A) I and II
B) I and III
C) II and III
D) I, II and III
Explanation
Chemical fertilisers cause pollution of water bodies as well as ground water, besides getting stored in crop plants. Therefore, environmental scientist are pressing for switch over to organic farming. Organic farming is a from of agriculture that relies on techniques such as crop rotation, green manure, compost and biological pest
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.