Organic farming is raising crops through use of:
The correct option is
D
All of these
Organic farming can be defined as an agricultural process that uses biological fertilizers/manures and pest control acquired from animal or plant waste. Organic farming was actually initiated as an answer to the environmental sufferings caused by the use of chemical pesticides and synthetic fertilizers. Insect-resistant crop varieties suppress insect pest abundance or elevate the damage tolerance level of the plants and are used in organic farming.