Not every farm can house a cow and a pond. Here are scalable models.
Crop residues feed livestock; animal manure fertilizes the soil. integrated farming system model
Unlike a "mixed farm" where crops and animals merely coexist, an IFS is defined by . The outputs of one sub-system (e.g., cow manure) are the inputs of another (e.g., biogas for the kitchen and slurry for the fish pond). Not every farm can house a cow and a pond
The backbone of the farm, providing food for humans and fodder for animals. integrated farming system model