The correct answer is option 1: Land.

In non-farming activities, such as manufacturing or service industries, the input of land is required in lesser quantity compared to farming activities.

Here is a breakdown of the other options to better understand why land is required in less quantity:

- Option 2: Labour is the human resource involved in any kind of economic activity. In non-farming activities, a significant amount of labor is generally required.

- Option 3: Capital refers to the financial resources used for production. In non-farming activities, capital is also required in substantial quantities to invest in machinery, technology, infrastructure, and other assets.

- Option 4: Raw material is the primary material used to produce goods. While the quantity of raw material required may vary depending on the non-farming activity, it is usually higher compared to land.

Therefore, in the context of non-farming activities, land is the input that is required in less quantity compared to labor, capital, and raw material.