From: Effects of sand burial depth on Xanthium spinosum seed germination and seedling growth
Sand burial depth (cm) | Seeding emergence initiation time (d) | Seeding emergence peak time (d) |
---|---|---|
1 | 5 ± 0.05d | 6 ± 0.10d |
2 | 8 ± 0.13ab | 10 ± 0.47ab |
3 | 6 ± 0.15c | 8 ± 0.14c |
5 | 8 ± 0.22b | 10 ± 0.52b |
7 | 11 ± 0.55a | 13 ± 0.22a |
9 | 22 ± 0.51a | 22 ± 0.00a |