Table 4.

Evaluation data of the environmental field.

No.	Control group	Test group
1	60.17	80.46
2	66.84	80.25
3	58.67	77.46
4	61.88	82.72
5	65.10	79.78
6	56.07	77.20
7	56.60	83.47
8	65.49	81.92
9	59.78	80.70
10	64.62	76.22
11	55.43	73.22
12	59.92	80.72
13	61.60	75.85
14	60.79	74.75
15	65.56	82.13
16	57.97	79.14
17	66.67	76.81
18	54.29	82.45
19	59.35	74.30
20	61.08	80.84
21	58.37	80.15
22	64.43	80.31
23	62.45	75.13
24	66.59	74.59
25	62.71	77.52
26	65.46	75.96
27	58.35	73.83
28	57.87	82.27
29	66.30	80.69
30	55.76	73.44
31	56.30	78.06
32	56.41	83.47
33	59.40	75.89
34	63.76	79.01
35	62.35	77.40
36	60.06	82.62
37	62.41	76.82
38	66.72	78.95
39	59.62	79.47
40	60.10	78.60
41	58.49	78.36
42	60.86	82.78
43	63.61	82.69
44	57.61	80.87
45	64.85	75.03
46	58.85	74.45
47	57.36	80.52
48	57.27	75.75
49	62.34	77.48
50	64.43	78.35