Home gardens, also known as house gardens, household gardens, and kitchen gardens are adjacent to the house where the gardeners live (Vogl et al. 2004). Home gardens are multifunctional agroforestry systems, sometimes called multistrata systems because their canopy structure ranges from root crops to tall trees. Home gardens contribute to household subsistence and often generate income, and plants are typically used for more than one purpose. [JG]

The study of how human beings interact with other species and the non-living environment. This field investigates how humans and human societies interact with nature and with their environment. [CAM]

A formula derived by inference from scientific data that explains a principle operating in nature. A hypothesis implies insufficient evidence to provide more than a tentative explanation. [CAM]

Hypothetico-deductive method is Ernst Mayr’s name for the “scientific method,” based on careful observation designed to affirm or falsify a hypothesis. [MH]