Gender: Female. Usage: Lucille, of Latin origin, is a popular first name. It is more often used as a girl (female) name. People having the name Lucille are in general originating from Belgium, France, Ireland, Netherlands, Switzerland, United Kingdom, United States of America. For another variant of the name Lucille across the world, see Lucia.
Topsoil is the top layer of the earth's surface. Topsoil is dark in color and high in organic matter, which makes it very easy to till and fertilize ground for growing plants. It is scraped from the ground and sold in bags or bulk, often called black dirt.
topsoil (mineral matter and humus).soil organisms feed on detritus and release CO2, water, and nutrients as waste. also leave undigested, partly decomposed detritus (humus) darker a-horizon- more humus, sand, silt, and clay. e-horizon.