Table 3 Orthogonal experimental design and optimal result.

From: Co-application of polyethylene oxide (PEO), biochar, and seaweed fertilizer improves desert soil properties

Treatment

F1

F2

F

Ranking

B0P0S0

 − 1.56741

 − 2.23041

 − 129.227

10

B2P0.2S1

 − 1.16185

0.812687

 − 44.1667

9

B2P0.4S2

 − 0.65055

0.761027

 − 18.3267

7

B2P0.6S3

0.575503

0.650887

43.93

3

B4P0.2S2

 − 0.86461

0.636077

 − 32.2133

8

B4P0.4S3

0.48632

0.709243

40.45333

4

B4P0.6S1

1.15764

 − 0.68958

46.52333

2

B6P0.2S3

0.38124

0.56816

31.96667

5

B6P0.4S1

0.11681

 − 0.30298

 − 0.19

6

B6P0.6S2

1.52691

 − 0.91512

61.24667

1

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