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Table 9

Common Tillage Practices in Sustainable Agriculture

(Schriefer, 1984; Vogtmann et al., 1986a; Little, 1987)

 

System

Some Common Practices

Minimum tillage

Chisel plowing

Disc harrowing

Overseeding

Two-layer plowinga

No-till without chemicals

Aerial seeding

Drilling into previous crop

Overseeding

Ridge tillage

Ridging

Planting on ridges

Chisel plowingb

Disc harrowingb

Ro-till

Planting with in-row chisel tillage

Contour tillage

Variety of tillage practicesc

 

a A plow manufactured in Germany that does not bring lower soil layers to the surface or invert the top layer.

b Unnecessary in many ridge tillage systems.

c A variation on contour tillage for dryland areas called the "Keyline Plan" was developed by Yeomans (1978).

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