[Retracted] Chemical Regulation Effect of Water Use Efficiency of Maize Intercropping

Table 4

Effects of stubble retention methods on relative growth rate of crops.

Treatment	Stubble retention method	Determination period
		05.11–05.28	05.28–06.15	06.15–07.02	07.02–07.24	07.24–08.03	08.03–10.05
Monoculture wheat	B	0.036	0.056	0.013	0.009
	R	0.035	0.059	0.007	0.011
	S	0.032	0.065	0.009	0.011
Monoculture corn	B		0.108	0.055	0.019	0.023	0.014
	R		0.103	0.076	0.022	0.014	0.014
	S		0.100	0.083	0.021	0.020	0.015
Wheat/corn	B	0.023	0.084	0.024	0.034	0.071	0.014
	R	0.018	0.077	0.042	0.023	0.082	0.015
	S	0.006	0.074	0.051	0.024	0.096	0.015