Table 2. Field pea performance and economics with mechanical and/or chemical weed control, Carrington, 1996-97

 

'Profi'

 

Trt

Plant density

Grain yield

Return after weed control costs

 

plts/ac

bu/ac

$/ac

1

267,440

38.2

133.70

2

264,595

68.5

221.55

3

273,130

42.2

144.70

4

236,140

48.3

163.05

5

261,750

55.0

181.75

6

270,285

42.5

145.75

7

250,370

48.5

163.75

8

253,215

59.2

196.45

Pea=$3.50/bu; Sonalan=$7.90;

Pursuit=$7.75 or $10.30;

harrow or rotary hoe=$3/pass.

 

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