Table 7 Coordinates and soil characteristics of the study sites.

From: Intra- and interspecies competition of blackgrass and wheat in the context of herbicidal resistance and environmental conditions in Poland

Site

Latitude

Longitude

Particles (%)

Texture

N1

P

K

OM

pH

Sand

Silt

Clay

Lipnik

53°34′ N

14°95′ E

85.4

14.0

0.6

Loamy sand

0.11

232

301

2.2

6.4

Mochełek

53°20′ N

17°86′ E

84.7

14.3

1.1

Loamy sand

0.17

238

296

2.6

6.6

Winna Góra

52°12′ N

17°26′ E

70.4

26.3

3.4

Sandy loam

137

162

1.1

5.5

Czesławice

51°18′ N

22°16′ E

15.8

72.6

11.6

Silt loam

0.12

158

196

1.5

6.4

Swojczyce

51°06′ N

17°08′ E

66.0

26.0

8.0

Sandy loam

0.51

128

125

1.2

6.5

Wrocław

51°04′ N

17°02′ E

56.0

23.0

21.0

Sandy (clay) loam

0.70

182

197

1.2

6.2

Mydlniki

50°07′ N

19°84′ E

39.0

52.0

9.0

Silt loam

0.07

173

196

1.1

6.3

  1. 1N nitrogen (%), P phosphorus (mg kg−1), K potassium (mg kg−1), OM organic matter (%).