Table III The deposition of dye tracer...

Table III

The deposition of dye tracer detected from cellulose patches: mean and standard derivations expressed as µg cm⁻² on different spray application techniques (on rice at the booting stage)

		Deposition of dye tracer on patch (µg cm⁻²)
Patches’ positions	Sides	MK (farmer)		MK (officer)		MB (farmer)		MB (officer)		Boom fan^a		Boom cone^a
		Mean	±SD	Mean	±SD	Mean	±SD	Mean	±SD	Mean	±SD	Mean	±SD
Lower leg	Right	22.47	17.2	0.48	0.04	1.27	0.03	0.27	0.05	1.77	2.22	1.35	1.02
	Left	21.83	17.81	0.64	0.32	1.45	0.12	0.22	0.07	1.98	2.11	1.25	1.08
Thigh	Right	61.04	14.71	0.31	0.19	1.06	0.81	0.24	0.05	0.46	0.53	0.81	0.68
	Left	48.97	44.16	0.45	0.15	4.61	0.35	0.18	0.03	1.34	0.91	0.6	0.79
Chest	Right	3.81	0.48	0.46	0.03	4.12	0.53	0.69	0.04	0.76	0.55	0.2	0.08
	Left	4.51	2.15	0.6	0.31	3.31	0.09	0.53	0.08	0.53	0.06	0.16	0.11
Forearm	Right	19.68	4.79	0.76	0.28	0.48	0.03	0.18	0.03	0.42	0.25	0.75	0.91
	Left	9.8	5.1	0.4	0.08	2.72	0.17	0.47	0.06	0.14	0.03	0.88	0.82
Upper arm	Right	1.27	0.72	0.16	0.06	7.64	5.86	0.48	0.08	0.12	0.03	0.14	0.03
	Left	8.3	7.27	0.16	0.06	6.52	0.61	0.37	0.07	0.17	0.12	0.14	0.06
Hand	Right	2.13	0.28	0.22	0.07	16.25	5.77	0.8	0.08	0.12	0.03	0.11	0.02
	Left	21.33	17.67	0.21	0.09	16.54	5.29	0.53	0.08	0.33	0.2	0.18	0.03
Face		12.86	10.55	0.2	0.1	12.83	1.58	0.11	0.02	0.12	0.03	0.13	0.03
Forehead		33.8	21.8	ND^b	–	3.3	2.46	ND	–	0.11	0.02	0.12	0.03
Back		0.82	0.1	ND	–	0.73	0.04	ND	–	ND	–	ND	–
Total		272.61	25.68	5.05	0.69	82.82	12.01	4.8	0.43	8.36	1.7	6.82	1.63

		Deposition of dye tracer on patch (µg cm⁻²)
Patches’ positions	Sides	MK (farmer)		MK (officer)		MB (farmer)		MB (officer)		Boom fan^a		Boom cone^a
		Mean	±SD	Mean	±SD	Mean	±SD	Mean	±SD	Mean	±SD	Mean	±SD
Lower leg	Right	22.47	17.2	0.48	0.04	1.27	0.03	0.27	0.05	1.77	2.22	1.35	1.02
	Left	21.83	17.81	0.64	0.32	1.45	0.12	0.22	0.07	1.98	2.11	1.25	1.08
Thigh	Right	61.04	14.71	0.31	0.19	1.06	0.81	0.24	0.05	0.46	0.53	0.81	0.68
	Left	48.97	44.16	0.45	0.15	4.61	0.35	0.18	0.03	1.34	0.91	0.6	0.79
Chest	Right	3.81	0.48	0.46	0.03	4.12	0.53	0.69	0.04	0.76	0.55	0.2	0.08
	Left	4.51	2.15	0.6	0.31	3.31	0.09	0.53	0.08	0.53	0.06	0.16	0.11
Forearm	Right	19.68	4.79	0.76	0.28	0.48	0.03	0.18	0.03	0.42	0.25	0.75	0.91
	Left	9.8	5.1	0.4	0.08	2.72	0.17	0.47	0.06	0.14	0.03	0.88	0.82
Upper arm	Right	1.27	0.72	0.16	0.06	7.64	5.86	0.48	0.08	0.12	0.03	0.14	0.03
	Left	8.3	7.27	0.16	0.06	6.52	0.61	0.37	0.07	0.17	0.12	0.14	0.06
Hand	Right	2.13	0.28	0.22	0.07	16.25	5.77	0.8	0.08	0.12	0.03	0.11	0.02
	Left	21.33	17.67	0.21	0.09	16.54	5.29	0.53	0.08	0.33	0.2	0.18	0.03
Face		12.86	10.55	0.2	0.1	12.83	1.58	0.11	0.02	0.12	0.03	0.13	0.03
Forehead		33.8	21.8	ND^b	–	3.3	2.46	ND	–	0.11	0.02	0.12	0.03
Back		0.82	0.1	ND	–	0.73	0.04	ND	–	ND	–	ND	–
Total		272.61	25.68	5.05	0.69	82.82	12.01	4.8	0.43	8.36	1.7	6.82	1.63

Notes: ^aThe amount of dye tracer on cellulose patches from two operators; ^bND: the amount of dye tracer from cellulose patches have quite a few deposits that cannot be detected by a colorimeter

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