Table 3 Analysis of variance (mean of squares) of some growth characteristics and yield of Echium amoenum affected by different types of fertilizers and plant densities.

From: An exploratory method to determine the plant characteristics affecting the final yield of Echium amoenum Fisch. & C.A. Mey. under fertilizers application and plant densities

Source of variation

d.f

Mean of squares

Shoot yield per plant

Plant height

Flower number per plant

Dry flower yield

Block

2

8.80ns

109.95ns

221,078ns

339,294ns

Plant density

2

48,116.71**

0.82ns

2,810,317**

13,075,569**

Fertilizer

4

3396.94**

540.38**

1,722,380**

2,183,909**

Plant density × fertilizer

8

9373.31**

122.40ns

923,445**

2,497,218**

Experimental error

28

305.51

74.91

191,739

266,634

CV (%)

–

10.36

9.48

17.58

16.84

  1. **, * and ns are significant at the 0.01 and 0.05 of probability level and non-significant, respectively
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