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 | |||