| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | irrigation | India | Historically developed advanced irrigation techniques | 1 |
| 2 | irrigation in agriculture | India | Irrigation is crucial for agriculture due to the monsoon season and dry periods | 1 |
| 3 | irrigation in agriculture | India | Common and essential due to monsoon season and extensive rice cultivation | 1 |
| 4 | irrigation system | India | Crucial for agriculture due to hot and dry climate | 1 |
| 5 | irrigation system | India | Crucial for managing water supply in the densely populated agricultural areas. | 1 |
| 6 | irrigation systems | India | Play a critical role in traditional agriculture and are often community-managed with ancient origins | 1 |