Figure 1.
The effects of clipping and saliva on height, aboveground biomass, belowground biomass (BGB), tillers and buds (back-transformed from the log scale) of Leymus chinensis both on 17 August 2006 and 20 August 2007. There are four clipping levels (0%, 25%, 75% and 100% of aboveground shoots) in 2006 and five ones (0%, 25%, 50%, 75% and 100%) in 2007. Bars represent standard errors. **, P<0.05; *, P<0.01.
Table 1.
Results of Duncan multiple comparisons of differences in height, aboveground biomass (AGB), belowground biomass (BGB), tillers and buds (back-transformed from the log scale) among clipping levels both in 2006 and 2007.
Table 2.
Results of two ways ANOVA for the effects of saliva, clipping and their interaction on height, aboveground biomass (AGB), belowground biomass (BGB), tillers and buds both in 2006 and 2007.
Figure 2.
Response of carbohydrate concentrations.
The differences between clipping without (real line) and with saliva (broken line) in carbohydrate concentrations, fructans (a1–a4), sucrose (b1–b4), glucose (c1–c4) and fructose (d1–d4) in component parts, leaf (a1–d1), stem (a2–d2), rhizome (a3–d3) and fibrous root (a4–d4), within 10 days after treatments in 2008. Bars represent standard errors. **, P<0.05; *, P<0.01.
Table 3.
Repeated measures ANOVA for between-subject effects, treatments (clipping without and with saliva), and within-subject effects (repeated effects), time, and their interaction effects, time×treatments for carbohydrate (fructans, sucrose, glucose and fructose) concentrations of component parts (leaf, stem, rhizome root and fibrous root) of Leymus chinensis.