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

Table 3 Mean square values for crop phenology and growth parameters as affected by combined application of biochar and inorganic NP fertilizers

Parameters	Treatment mean Squares	Error mean Squares	CV (%)
Days to 50% emergence	1.43^NS	0.9	6.96
Days to 50% flowering	16.97^**	2.36	2.89
Number of main stem	1.97^**	0.46	13.06
Plant height (cm)	333.33^**	19.27	7.73
Total leaf area (cm² /plant)	756,447.27^**	7395.74	3.91

ISSN: 2662-4044