Component
|
Control
|
Clipping frequency
(no. times clipped) |
Residual fraction
|
Interaction
|
||||||
|
|
1
|
2
|
3
|
Significance
|
0.5
|
0.25
|
0.125
|
Significance
|
Fraction
x height
|
Total
shoot biomass (g DM)§
|
111***
|
99a
|
87b
|
85b
|
***
|
103a
|
84b
|
83b
|
***
|
NS
|
Vegetative biomass (g DM)
|
85***
|
75
|
70
|
75
|
NS
|
81a
|
70b
|
70b
|
*
|
NS
|
Reproductive biomass, spikes (g DM)
|
25***
|
24a
|
16b
|
9c
|
***
|
22a
|
14b
|
13b
|
***
|
NS
|
Reproductive plants
(%)
|
23***
|
24a
|
19b
|
12c
|
***
|
22a
|
17b
|
16b
|
***
|
**
|
No. tillers/plant (15
April)
|
2.5***
|
2.5
|
4.5
|
4.8
|
NS
|
3.1a
|
4.8b
|
5.8c
|
***
|
***
|