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Table 4 Combined ANOVA for the effect of N and P fertilizers on the plant height (cm), marketable yield, unmarketable yield and total yield (t ha−1) of potato at Woleh

From: Response of potato (Solanum tuberosum L.) to nitrogen and phosphorus fertilizers at Sekota and Lasta districts of Eastern Amhara, Ethiopia

Source of variation

DF

Mean square values

Plant height

Marketable yield

Unmarketable yield

Total yield

N

3

193.65*

159.35*

5.79*

233.68*

P

3

35.86ns

17.02*

2.76*

30.54*

NXP

9

51.45ns

221.53*

1.33*

9.44*

Error

57

34.54

3.32

0.35

3.44

Total

72

    
  1. ns non-significant, * and ** significant and highly significant respectively