
| Holdings with greenhouse, total | Share of holdings using biological control agents (per cent) | Greenhouse area, total (1 000 sq m) | Share of area treated (per cent) | Duration of crop (weeks) | |
|---|---|---|---|---|---|
| 2012 | |||||
| Cut flowers | 36 | 18 | 72 | 15 | 31 |
| Ornamental crops | 198 | 34 | 445 | 35 | 30 |
| Lettuce | 32 | 42 | 87 | 81 | 41 |
| Herbs | 23 | 56 | 35 | 86 | 31 |
| Tomatoes | 64 | 87 | 270 | 86 | 35 |
| Cucumbers | 50 | 92 | 242 | 99 | 31 |