Ginger is grown as a pure crop as well as an intercrop or in rotation with other crops. In Kerala it is grown as an undercrop in coconut and arecanut gardens, in coffee estates, and in rice fallows. In irrigated areas, ginger is grown in rotation with chilies, vegetables, groundnut, ragi, and maize. In Kerala as well as in Sri Lanka ginger forms a component of the homestead farming, and is grown mixed with a variety of crops. Ginger is a very successful crop component in intercropping and multicropping systems. It is intercropped with vegetables (such as cabbage, beans, cucumber, and lady's finger), pulses (such as pigeon pea and black gram), cereals (maize and finger millet), oil seeds (castor, soybean, and sunflower) and with crops such as tobacco, pineapple, tapioca, taro, Discoria, and Amorphophallus. It can also be grown as a mixed crop with castor, finger millet, maize, and red gram. Chilies-ginger — mixed cropping is prevalent in many areas.
Nizam and Jayachandran (1977) in Kerala, studied the effect of seed rhizome size and varieties on the quality of ginger under open conditions and as an intercrop. Three sizes of seed rhizomes (5, 10, and 15 g) of ginger cultivars Kuruppampady, Maran, Nedu-mangadu, and Read more [...]