Fig 1.
Seed germination function (A) and the characteristics of curves (B).
Table 1.
Turfgrass seeds used in the study.
Fig 2.
The change of external water of three turfgrasses.
Fig 3.
Mathematical model of the germination rate for three turfgrasses under study.
(A) Tall fescue (TF), (B) Perennial ryegrass (PR) and (C) Kentucky bluegrass (KB).
Table 2.
Model parameters of different turfgrasses.
Fig 4.
The optimal fitting curves of the cumulative germination in a range of Irrigation Water Contents (WC Indicates Water Content) for three turfgrasses.
(A) Tall fescue (TF), (B) Perennial ryegrass (PR) and (C) Kentucky bluegrass (KB).