Location

Treatment (kg K₂O ha⁻¹)

0

33

67

101

134

168

LSD

------(Grain yield, Mg∙ha⁻¹)------

Buffalo

8.69 c^†

9.64 a

8.88 bc

9.86 a

9.38 ab

9.31 ab

0.57^*

Gardner

8.94 b

10.91 a

9.75 ab

11.0 a

10.1 ab

9.84 ab

1.43^*

Walcott E

7.07

7.80

7.26

7.93

7.05

7.32

ns^‡

Wyndmere

8.44

9.42

10.56

8.42

9.31

8.18

ns

Fairmount

10.1 b

10.9 ab

11.3 ab

11.0 ab

11.4 a

10.8 ab

1.27^*

Walcott W

8.18

8.40

8.85

8.54

8.78

8.70

ns

Arthur

9.77 c

10.2 bc

11.3 ab

11.7 a

11.1 ab

10.6 abc

1.26^*

Page

9.34 a

8.85 ab

9.74 a

9.49 a

9.03 ab

8.32 b

1.01^*

Valley City

9.74

9.62

9.64

11.1

10.0

10.7

ns

Treatment (kg K₂O ha^-1)

0

67

134

202

269

336

Milnor

12.3 ab

13.0 a

11.9 b

11.8 b

12.0 ab

12.8 ab

1.06^*