Table 3 Properties of the analyzed dust samples in both experimental years.

From: Investigating the impacts of airborne dust on herbicide performance on Amaranthus retroflexus

Particle size

2019

2020

Elements (ppm)

2019

2020

Sand (%)

1.3

1.2

Cl

90

95

Silt (%)

65.5

64.3

Sr

212

225

Clay (%)

33.2

34.5

Ba

267

274

Mean size (μ)

14.8

15.1

Rb

66

59

Mineralogical compositions (%)

Zr

170

165

 Quartz

21.2

20.1

Ni

123

111

 Albite

4.9

5.1

V

129

118

 Orthoclase

2.2

2.6

Co

31

28

 Microcline

1.6

1.2

Cu

38

36

 Illite

10

9

Zn

90

95

 Kaolinite

3.5

3.7

Ga

12

11

 Chlorite

4.6

4.6

Br

5

6

 Palygorskite

3.6

3.7

Y

24

23

 Calcite

35.2

35.3

Nb

14

14

 Dolomite

6.2

6.3

   

 Gypsum

0.8

1.2

   

 Halite

0.3

0.3