Research Article
Effect of Irrigation to Winter Wheat on the Radiation Use Efficiency and Yield of Summer Maize in a Double Cropping System
Table 2
Effect of irrigation during the winter wheat growing season on the PAR reflection ratio, PAR penetration ratio, and PAR capture ratio in summer maize canopy (%).
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The data was the average values on August 20, Aug 27, and Septemper 5, 2002; and Aug 24, and Sep 9, 2003; and Aug 19, Aug 20, and Aug 22, 2005. Values followed by a different letter are significantly different at 5% probability level. |