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Table 5 Mean square values for yield and yield components of potato as affected by combined application of biochar and inorganic NP nutrient

From: Effect of coffee husk biochar and inorganic NP fertilizer on soil properties, growth and yield of potato (Solanum tuberosum L.) on acidic soil of southwest Ethiopia

Parameter

Treatment mean square

Error mean square

CV (%)

Marketable tuber number per hill

17.31**

2.63

15.18

Unmarketable tuber number per hill

0.21NS

0.38

26.14

Marketable tuber weight (ton ha−1)

87.94*

25.73

15.39

Unmarketable tuber weight (ton ha−1)

0.036NS

0.025

8.52

Total tuber weight (ton ha−1)

85.02*

25.56

14.52

Total dry biomass yield (ton ha−1)

14.55**

3.19

10.2

Harvest index (%)

0.019**

0.014

9.32

  1. CV coefficient of variation, NS  non significance difference between treatments, ** and *  level of significance at p < 0.01 and p < 0.05, respectively
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CABI Agriculture and Bioscience

ISSN: 2662-4044