Table 3. Number of pesticides residues detected by sampling places.

Variable		Sampling place						Total
		Farm		Market		Highway		n	%
		n	%	n	%	n	%
Number of residues	One pesticide residue detected	48	44.9	79	51.0	12	57.1	139	49.1
	Two pesticides residues detected	33	30.8	47	30.3	8	38.1	88	31.1
	Three pesticides residues detected	16	15.0	16	10.3	1	4.8	33	11.7
	Five pesticides residues detected	6	5.6	5	3.2			11	3.9
	Four pesticides residues detected	4	3.7	5	3.2			9	3.2
	Six pesticides residues detected			2	1.3			2	0.7
	Seven pesticides residues detected			1	0.6			1	0.4
Total		107	100.0	155	100.0	21	100.0	283	100.0