| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | staple crop | Asia | Rice, millet, and cassava are staple crops in Asia and essential for food security. | 5 |
| 2 | staple crop | Africa | Rice, millet, and cassava are common staple crops in African agriculture. | 3 |
| 3 | staple crop | Asian countries | Rice is a primary staple crop in Asian countries such as China, Japan, and India. | 3 |
| 4 | staple crop | Sub-Saharan Africa | Maize, millet, sorghum, cassava, and plantains are important staple crops in Sub-Saharan Africa. | 2 |