Fig. 3
From: Artificial light at night reduces earthworm activity but increases growth of invasive ragweed
Ragweed germination of 100 in response to experimental factors light pollution (A, C), earthworms (A, B), sowing depth (B, C, D), and plant species (D). Abbreviations: Light pollution: D…dark, L…light; Earthworms: EW+…present, EW-…absent; Sowing depth: 0…sown at sown, 5…sown in 5 cm depth; Plant species: A…only Ragweed sown, M…Ragweed seeds and Phacelia seeds sown. N = 6