Q: 47 (NDA-I/2015)


Which of the following are the charac- teristics of organic farming ?
1. Use of chemical fertilizers to improve soil fertility.
2. Frequent decomposing and fal- lowing.
3. Use of herbs to control pests.
4. Higher productivity per hectare.
Select the correct answer using the code given below :
question_subject: 
Science
stats: 
0,688,496,80,64,688,352