Table 3. Sediment reduction in percentage as a result of contouring on conservation tillage and no-till practices for cotton, grain sorghum and winter wheat.

Grain sorghum		Cotton		Wheat
Conservation tillage	No-till	Conservation tillage	No-till	Conservation tillage	No-till (In cover cropping/rotation with)
					Grain sorghum	Cotton	Canola
44	44	45	46	43	46	43	43