Description
The plant has a shallow root system and grows as a robust tree or shrub to about 10 metres. It flowers irregularly, taking about 10–11 months for cherries to ripen, producing oval-shaped beans. The robusta plant has a greater crop yield than that of C. arabica, and contains more caffeine - 2.7% compared to arabica's 1.5%. As it is less susceptible to pests and disease, robusta needs much less herbicide and pesticide than arabica.
Read more about this topic: Robusta Coffee
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