Main effects

Visible Weed Control (%)

Density^f

(no∙m⁻²)

Biomass^f

(g∙m⁻²)

2 WAA^a

4 WAA

8 WAA

Roundup WeatherMAX® (g∙ae∙ha⁻¹)

0

73

69

70

2a

1a

900

97

98

98

0.5a

0.1a

SE^b

2

3

3

0.26

0.494

Roundup WeatherMAX® P-value

0.0060

0.0126

0.0133

0.1791

0.1123

Tolpyralate + atrazine treatments^c

No tank mix partner

38

39

40

2a

2a

Tolpyralate + Atrazine

91

91

91

1a

0.6ab

Tolpyralate + Atrazine + MSO^d

97

96

97

0.8a

0.3b

Tolpyralate + Atrazine + UAN^e

94

92

92

1a

0.5ab

Tolpyralate + Atrazine + MSO + UAN

98

97

98

0.6a

0.2b

SE^b

2

3

3

0.26

Tolpyralate + atrazine P-value

<0.0001

<0.0001

<0.0001

0.0766

0.0194

Interaction

Roundup WeatherMAX®*tolpyralate + atrazine P-value

<0.0001

<0.0001

<0.0001

0.2773

0.0902