Traditional Culture Encyclopedia - Photography major - Pollen stage of ragweed in Inner Mongolia in 2022

Pollen stage of ragweed in Inner Mongolia in 2022

Late August and late September. According to Taodou.com, the pollen period of ragweed in Inner Mongolia will be in late August and late September in 2022, and it can produce 6.2 tons of pollen per square hectare in autumn. Ragweed, an annual herb, 20- 150 cm tall; The stem is erect, with conical branches in the upper part, angular and rough.