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 (cm)
Marketable yield
Unmarketable yield
Total yield
N
3
638.44*
418.95*
5.60*
451.10*
P
5.56ns
67.91*
0.27ns
65.04*
N * P
9
45.77*
69.57*
0.82ns
71.06ns
Error
32
15.56
4.50
1.20
4.72
Total
47