By V Lebot
Lots of the world's poorest smallholders rely on tropical roots and tubers vegetation as their critical resource of nutrition and foodstuff. those species produce huge amounts of nutritional power and feature reliable yields below tough environmental stipulations. crucial plants are cassava, candy potato, yam and the aroids, sharing vital universal features reminiscent of bulkiness, post-harvest perishability and vegetative propagation. This booklet compiles the freshest info at the beginning, genetics, body structure, agronomy, pests and ailments and put up harvest processing of those plants, whereas trying to offer rules for additional study and improvement.