Memory Game PLSC101 Memory Game 2Online version Lab Group 7 Topics: Soil parts and tillage by cindy s Mollisol Light tillage to mix up and move crop residue on the surface. No-Till Organic component of decomposed leaves and plant material Conventional Tillage Soils that are formed under grasslands, very good for crop growth. Mulch Tillage Top layer of soil that is made up of organic matter, water, air and mineral particles Moldboard Plow Deep tillage to bury residue, followed by shallow tillage to smooth Conservation Tillage Organic Matter Gravitational Water Pore Space Made up of decaying animal and plant residue degraded by organisms Humus Topsoil Ridge Tillage