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

51

49

47

56.6a

72.9

900

96

96

92

14.3b

1.0

SE^b

2

2

2

3.5

4.9

Roundup WeatherMAX® P-value

<0.0001

<0.0001

<0.0001

0.0110

0.0010

Tolpyralate + atrazine treatments^c

No tank mix partner

40

38

33

73.3a

83.2

Tolpyralate + Atrazine

73

72

70

40.2ab

50.9

Tolpyralate + Atrazine + MSO^d

94

94

90

29.9bc

3.7

Tolpyralate + Atrazine + UAN^e

73

72

71

41.7abc

40.1

Tolpyralate + Atrazine + MSO + UAN

95

94

90

24.7c

3.4

SE^b

2

2

2

3.5

4.9

Tolpyralate + atrazine P-value

<0.0001

<0.0001

<0.0001

0.0005

<0.0001

Interaction

Roundup WeatherMAX®*tolpyralate + atrazine P-value

<0.0001

<0.0001

<0.0001

0.1407

<0.0001