Agroforestry integrates agriculture and forestry, with a focus on using a variety of plant species to help one another. The system uses woody perennials as a support for growing herbaceous plants and it can be implemented from the scale of a home garden to a large estate. Woody perennials are evergreen trees that have hard stems and grow continuously with each passing year, surviving even through winters. Herbaceous plants, on the other hand, have soft stems and a periodic life cycle. In general, these are the plants we cultivate for our consumption. In effect, the system of agroforestry utilizes the circular process of the natural ecosystem, rather than breaking the flow of the biosphere through monocropping.

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