Agriculture Reference
In-Depth Information
Chickweed
Groundsel
Field
speedwell
Ivy-leaved
speedwell
Fat hen
Greater
plantain
Black
bindweed
FM
A
M
J
J
A
S
O
N
D
J
SPRING
SUMMER
AUTUMN
WINTER
17
Figure 17.11
Annual and perennial weed periods of seed germination throughout the year (reproduced by
permission of Blackwell Scientifi c Publications)
(a)
(b)
Figure 17.12
(a) Groundsel plant; (b) seedling
