Table 1 Significance of the effects of treatment, year, growth stage and interaction between year and treatment on corn leaf physiology and soil respiration using ANOVA.

From: Responses of corn physiology and yield to six agricultural practices over three years in middle Tennessee

Source

Leaf Photosynthesis (μmol CO2/m2/s)

Stomatal Conductance (mol H2O/m2/s)

Transpiration (mmol H2O/m2/s)

WUE (μmol CO2/mmol H2O)

Soil Respiration (μmol CO2/m2/s)

Block

13.04**

0.72

16.68**

19.81**

6.09**

Growth Stage

479.69**

581.94**

1134.12**

386.12**

Year

252.07**

105.53**

141.40**

145.37**

49.32**

Treatment

7.22**

3.88**

10.05**

9.49**

6.18**

Treatment × Year

1.28

1.38

3.31**

1.35

1.02

  1. Numbers are F-values. Stars indicate the level of significance (* = p < 0.05, ** = p < 0.01).