It is an integrated farm system that deals with a unit of a farm, integrating diverse farming practices within it. Usually, crop production is combined with livestock production on the same unit such as poultry, dairy, piggery, aquaculture, and agroforestry (tree cultivation).

Benefits for small and marginal farmers in India
Income diversification : IFS allows multiple sources of income and diversifies income; hence, not dependent on single crops, thereby raising overall profitability.
-Resource Efficiency: Animal waste is applied as manure to crops thereby reducing the dependence on external inputs. Water usage is optimized throughout the different parts.
-Improved Soil Health: Legumes and cover crops contribute to soil fertility; hence, lesser chemical fertilizers are required.
-Risk Mitigation: The crop failure because of weather or pests is minimized with diversification.
-Enhanced Food Security: It provides the farmer’s family with a well-balanced diet, and it could also be offered to the local community.
Environmental Sustainability: It supports organic farming, which is also sustainable and decreases the environmental footprint of agriculture.