Table 7 Growth rate of Prymnesium parvum under the different levels of nutrient concentration in the uniform design.

From: Application of uniform design to evaluate the different conditions on the growth of algae Prymnesium parvum

Level

Nutrient concentrations

 

KNO3(N)

NaH2PO4(P)

Na2SiO3(Si)

FeC6H5O7(Fe)

Growth rate

Xi

Xii

Xiii

Xiv

Y′

1

13.96(2.3)

2.32(0.6)

7.84(1.8)

0.88(0.2)

0.415

2

24.89(4.1)

1.55(0.4)

1.74(0.4)

3.94(0.9)

0.639

3

28.54(4.7)

3.10(0.8)

4.36(1.0)

1.31(0.3)

0.505

4

19.43(3.2)

0.77(0.2)

6.10(1.4)

2.19(0.5)

0.697

5

17.61(2.9)

6.97(1.8)

0.87(0.2)

1.75(0.4)

0.698

6

15.79(2.6)

6.19(1.6)

5.23(1.2)

4.38(1.0)

0.556

7

12.14(2.0)

3.87(1.0)

2.61(0.6)

3.06(0.7)

0.481

8

23.07(3.8)

5.42(1.4)

3.49(0.8)

0.44(0.1)

0.738

9

21.25(3.5)

4.65(1.2)

8.71(2.0)

3.5(0.8)

0.664

10

26.71(4.4)

7.74(2.0)

6.97(1.6)

2.63(.6)

0.437

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