Which of the following statements is/are NOT true about mixed farming?

The correct answer is option 1: Mixed farms are very big in size

• Mixed farms are very big in size — Incorrect. Mixed farming does not necessarily require very large farms. It can be practiced on moderate sized farms.
• Crop rotation and intercropping play an important role in maintaining soil fertility — True. These practices help maintain soil nutrients.
• Equal emphasis is laid on crop cultivation and animal husbandry — True. Mixed farming combines both activities.
• Animals like cattle, sheep, pigs and poultry provide the main income along with crops — True. Income comes from both crops and livestock. 

NCERT: "Mixed form of agriculture is found in the highly developed parts of the world, e.g. North-western Europe, Eastern North America, parts of Eurasia and the temperate latitudes of Southern continents . Mixed farms are moderate in size and usually the crops associated with it are wheat, barley, oats, rye, maize, fodder and root crops. Fodder crops are an important component of mixed farming. Crop rotation and intercropping play an important role in maintaining soil fertility. Equal emphasis is laid on crop cultivation and animal husbandry. Animals like cattle, sheep, pigs and poultry provide the main income along with crops. Mixed farming is characterised by high capital expenditure on farm machinery and building, extensive use of chemical fertilisers and green manures and also by the skill and expertise of the farmers."