Low cost maize stover biochar as an alternative to inorganic fertilizer for improvement of soil chemical properties, growth and yield of tomatoes on degraded soil of Northern Uganda

Table 6 The effect of maize straw biochar on yield parameters of tomatoes

Season	Biochar rate (t ha⁻¹)	Number of fruits per plant	Fruit weight (g plant⁻¹)	Fruit yield (t ha⁻¹)
1	0	25.61ab	495.2ab	18.34ab
	3.5	13.00bc	257.1bc	9.52bc
	6.9	6.33c	140.2c	5.19c
	13.8	9.50c	161.6c	5.99c
	27.6	28.50a	570.1a	21.11a
	p-value	p < 0.01	p < 0.01	p < 0.01
2	0	8.33ab	197.12ab	7.30ab
	3.5	5.11b	76.02b	2.82b
	6.9	4.75b	78.24b	2.90b
	13.8	8.19ab	167.31ab	6.20ab
	27.6	10.62a	254.91a	9.44a
	p-value	p < 0.05	p < 0.01	p < 0.01

Means followed by same letters are not significantly different at Tukey p < 0.05

ISSN: 1471-2229