Validation of Farmer Perceived Soil Fertility Improving Tree Species in Agropastoral Communities of Bushenyi District

Table 6

Variability in soil nutrients among and within the soil improver tree species different environments in Kyeizooba subcounty in Bushenyi district in Uganda in a period of two years.

SFTI	Location	Year 0						Year 2
		pH	SOM (g/Kg)	N (g/Kg)	P (g//Kg) (10^-3)	K (cmol/Kg)	Ca (cmol/Kg)	pH	SOM (g/Kg)	N (g/Kg)	P (g/kg)(10^−3)	K(cmol/Kg)	Ca (cmol/Kg)
Erythrina abyssinica	A	4.26	69.3	1.5	5.67	2.9	20.0	4.76	84.9	3.8	12.73	7.2	30.8
	B	4.30	64.5	1.4	4.78	2.2	20.9	4.51	81.1	2.8	9.41	3.8	21.1
	C	4.32	58.5	1.5	4.71	1.7	21.4	4.35	75.6	2.6	6.53	4.2	18.2
Croton machrostachyus	A	4.95	57.7	1.4	8.06	3.7	23.5	5.98	90.3	4.0	50.02	9.9	81.2
	B	4.71	49.3	1.4	6.95	3.3	22.7	4.94	69.5	2.6	13.94	6.8	37.8
	C	5.22	54.3	1.4	5.32	3.5	24.4	5.47	9.34	3.4	20.47	8.8	47.6
Markhamia lutea	A	4.59	54.4	1.6	5.46	2.5	21.2	4.93	73.3	2.8	10.52	6.8	33.6
	B	4.76	60.1	1.9	5.99	3.3	24.5	4.57	59.4	2.2	8.74	5.4	21.0
	C	4.83	52.6	1.5	6.83	4.7	22.8	4.61	56.3	2.4	13.39	7.0	22.4
(𝑃<.05)		.00	.02	.27	.16	.14	.04	<.001	.01	.03	.05	.16	<.001
LSD (trees)		0.34	7.40	0.3	1.80	1.5	2.1	0.42	13.2	0.7	16.41	3.6	13.9