Efficacy of Selected Agroindustrial Wastes in Managing Root-Knot Nematodes on Black Nightshade in Kenya

Table 2

Physicochemical properties* of plant tissue and animal manure used for amending soil in greenhouse and field experiments.

Sample description	Organic manure analysis data
	GM	CM	Trej	Tres	TD
pH-water (1 : 2.5)	7.77	7.34	6.96	5.83	6.30
Org. carbon %	3.15	3.70	3.81	3.91	4.26
Nitrogen %	1.05	1.05	4.20	4.10	5.25
C/N ratio	3 : 1	3.5 : 1	0.91 : 1	0.95 : 1	0.81 :1
Phosphorus %	0.27	0.21	0.25	0.52	0.28
Potassium %	1.58	1.58	1.92	0.13	1.65
Calcium %	4.36	0.96	2.09	2.13	0.59
Magnesium %	0.33	0.08	0.34	0.26	0.19
Iron mg/kg	3767	1397	1315	1297	2033
Copper mg/kg	15.0	3.3	3.67	3.58	8.33
Manganese mg/kg	2083	892	1020	1026	1040
Zinc mg/kg	307	85	82	79	78

* Physicochemical analysis done at National Agricultural Research laboratories (KARI-NARL) in Kenya.