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

Table 1

Physical and chemical characteristics of soil in the test area.

Soil layer (cm)	Unit weight ()	Field capacity (%)	Total nitrogen ()	Total phosphorus ()	Total potassium ()	Available phosphorus ()	Available potassium ()	Organic matter ()	pH
0∼20	1.47	21.50	0.95	0.40	5.73	8.14	125.80	11.49	8.66
20∼40	1.49	18.25	0.72	0.37	6.71	7.35	112.84	9.58	8.76