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