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

Table 5

Effects of stubble retention and planting patterns on crop yield and water use efficiency.

Planting method	Stubble retention method	Grain yield ()		Biological yield ()		Economic coefficient		Crop water consumption (mm)		Water use efficiency ()
		Wheat	Corn	Wheat	Corn	Wheat	Corn	Wheat	Corn	Wheat	Corn
Monoculture	B	6490a	11590a	19091a	22251b	0.33b	0.52a	511a	621a	12.9b	18.7b
	R	6621a	11840a	17713b	25238a	0.37a	0.47b	491a	603a	13.3b	19.6b
	S	6956a	12136a	18762a	25544a	0.37a	0.48b	449b	557b	15.5a	21.8a
Intercropping	B	8052a	13146b	19221a	21221b	0.42a	0.62a	490a	562a	16.5b	23.4b
	R	8142a	13642ab	19904a	24461a	0.41a	0.56b	481a	557a	16.9b	24.5b
	S	8553a	14098a	19768a	24744a	0.43a	0.57b	441b	515b	19.4a	27.4a