Deep tillage to bury residue, followed by shallow tillage to smooth
Organic Matter
Topsoil
Humus
Light tillage to mix up and move crop residue on the surface.
Top layer of soil that is made up of organic matter, water, air and mineral particles
Soils that are formed under grasslands, very good for crop growth.
Organic component of decomposed leaves and plant material
Conservation Tillage
Ridge Tillage
Moldboard Plow
No-Till
Made up of decaying animal and plant residue degraded by organisms
Conventional Tillage
Mulch Tillage
Pore Space
Mollisol
Gravitational Water