Table 5 Effect of weather parameters (one-month average temperature and precipitation) preceding seed collection on germination rate of the sown forbs in greenhouse.

From: Co-seeding grasses and forbs supports restoration of species-rich grasslands and improves weed control in ex-arable land

Weather effect on germination

P (x)

P (x2)

Pseudo R2

Average temperature 1 month preceding seed collection

0.0015

0.2550

0.1591

Average precipitation 1 month preceding seed collection

0.0384

0.1176

0.1076

  1. P (x) and P (x2) are the P-values for the original and polynomial (quadratic) variable, respectively; pseudo R2 is the squared correlation of predictor and link-transformed response from the model containing only the given predictor.