Which one of the following characteristics is best suited to intensive farming?

Characteristics of Intensive Farming:

• Intensive farming is an agricultural intensification and mechanization system that aims to maximize yields from available land through various means, such as heavy use of pesticides and chemical fertilizers.
• Three major characteristics of intensive farming are as follows, 
  • Low fallow ratio
  • Labour and capital intensive
  • Higher crop yields per unit land area.
• Executive use of mechanization found.
• It is a labour-intensive farming method.
• This farming produces cheaper food per hectare to feed the rising population.
• Created multiple cropping systems.
• High productivity using modern inputs.
• It also involves intensive livestock farming.
• It is a common practice in the fertile areas of south-east Asia, China, India (Punjab, parts of Rajasthan, Madhya Pradesh, etc.), etc.

Therefore, '3' is the correct option here.