Home gardens, containing tree, shrub, herbs, vine, tuber layers as well as poultry, produce food for household consumption as well as an additional income. All seven production layers can be found, with a tree canopy, lower trees, shrubs, herbs, a soil cover, roots and tubers as well as a climbing layer, although the number of layers varies by garden.
Note: For this SLM technology case, the SPI report on Sustainable Land Management and Climate Change refers to: Helen Keller International. 2003. Handbook for Home Gardening in Cambodia: The Complete Manual for Vegetable and Fruit Production. Phnom Penh: Helen Keller Worldwide.