1. Experiment Naturemonuments Holland June 2010
2. Defining the North
3. Making the small holes for the seed
4. Sowing the oak seeds
5. Putting the carton board on top against evaporation of the capillary
6. Adding micchorizae
7. Mixing the micchorizae through the soil
8. Placing the paperboard to prevent evaporation of capillary
9. Putting the box on top
10. Putting the box on top
11. Hammering the windprotectors
12. Adding soil at the sides to prevent evaporation
13. Adding water
14. Adding water
15. The planting experiment is ready
16. Piet Hoff 80 years, Pieter Hoff's father
17. Piet Hoff and Pieter Hoff Experiment Naturemonuments Holland
18. Manager Arjen van den Heuvel with Pieter Hoff
19. The planting group Experiment Naturemonuments Holland June 2010
20. Good camouflage after planting