Possibilities to reduce drift by 75 percent in biocidal applications of insecticides with cannon sprayers

Environmental Sciences Europe

Table 2 Weather conditions recorded during the application, split by replicate

Sprayer and nozzle	Rep	Temperature		RH		Wind speed			Wind direction
		Mean	Δ	Mean	Δ	Min	Max	Mean	Wind deviation^a	Wind not centered^b
		°C	°C	%	%	m s⁻¹	m s⁻¹	m s⁻¹	°	% > 45°
Cannon sprayer AirMix 110–05	1	20.7	0.11	63.5	0.32	3.10	8.90	5.87	− 23.30	7.62
	2	21.1	0.09	63.4	0.59	1.50	7.40	3.94	2.3	0.90
	3	20.7	0.11	64.5	0.36	1.50	6.70	4.02	− 1.8	2.3
	4	21.8	0.12	61.3	0.53	1.90	7.80	5.27	− 4.4	11.0
Cannon sprayer ID-120-05 POM	1	23.2	0.08	52.4	0.37	2.50	7.00	4.63	− 1.9	3.2
	2	24.3	0.19	44.4	0.62	1.70	9.10	4.63	− 26.2	14.9
	3	24.3	0.18	42.0	0.47	3.20	10.8	6.17	− 19.0	3.6
	4	23.6	0.05	44.7	0.71	1.90	7.10	4.15	25.2	14.03

^aThe mean wind direction must not deviate more than 30° from the perpendicular to the direction of travel
^bNo more than 30% of the individual values may deviate more than 45° from the perpendicular to the direction of travel