In agricultural situtations, climate, soil, and topography are determined by the location and are fixed.  However, ls can be changed by installing terraces.
	On severely disturbed areas, both soil and topography can be changed.
	The most important consideration in conservation planning and the factor that has the single greatest effect on soil loss is land use, management, and the use of supporting practices like contouring.
	C also affects soil by changes in organic matter, random roughness and consolidation.