Economies of Size for Conventional Tillage and No-till Wheat Production



Table 4. Continued

Machine

Machine
Width
(Feet)

; Field Field Draft / ft. of

Speed Efficiency Implement Conventional

(MPH) (%)      (Lbs.)     Tillage

No-till

________________________________2,560-Acre Farm________________________________

95 hp Tractor

Sprayer

40

6.5

65

200

Fertilizer Spreader

40

7

70

200

255 hp Tractor

Disk

28.13

6

80

425

Chisel

30.6

5

85

625

Conventional-Till Air Seeder

36

5

70

225

No-Till Air Seeder

36

5

70

400

255 hp Tractor

Moldboard Plow

12.75

4.5

85

1250

Chisel

30.6

5

85

625

Disk_____________________

28.13

6

80

425

16



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