Effect of Irrigation to Winter Wheat on the Radiation Use Efficiency and Yield of Summer Maize in a Double Cropping System

Table 4

Effect of irrigation during the winter wheat growing season on the dry matter accumulation at maturity and grain yield of summer maize (kg ⋅ hm⁻²).

Treatment	Dry matter accumulation	Grain yield
T0	14587.2^b	6710.1^c
T1	14616.7^ab	7016.0^bc
T2	14890.4^a	7296.3^ab
T3	14903.5^a	7600.8^a

The data was the average values in 2002, 2003, and 2005. Values followed by a different letter are significantly different at 5% probability level.