Vegetable Contamination by the Fecal Bacteria of Poultry Manure: Case Study of Gardening Sites in Southern Benin

Table 3

Analysis of variance onrepeated measures: Fisher values illustrating the effects of growing period, fertilization modality, vegetable crop, and site on the fecal bacteria populations in vegetables (coastal area of Benin, 2009-2010, 288 plots).

Source	Degree of freedom
		Fecal coliforms (log)	Escherichia coli (log)	Fecal streptococci (log)
Growing period	3	87.61	53.15	10.94
Growing period site	3	1.03	17.96	2.25
Growing period vegetable	6	2.82	5.73	6.59
Growing period fertilization	9	1.37	2.21	3.32
Growing period site vegetable	6	2.18	3.45	3.55
Growing period site fertilization	9	0.74	4.77	1.07
Growing period vegetable fertilization	18	1.48	1.32	1.20

Note: significant at 0.05; significant at 0.01; significant at 0.001; not significant at 0.05.