Soil is a part of the earth's crust which is composed of minerals and organic matter. Land is one of the supports that helps the lives of all living things on earth.
Land is very supportive of plant life which provides nutrients and water on the earth. besides that, the land is also a place to live various microorganisms that exist on earth and is also a foothold for some living things on land. In terms of climatology, land plays an important role as a store of water and prevents erosion. Although the soil itself can also erode.
Land is a layer of the surface of the earth that physically functions as a place to grow and develop the supporting roots upright growing plants and supplying water and air needs; chemically serves as a storehouse and supplier of nutrients or nutrients (simple organic and inorganic compounds and essential elements such as: N, P, K, Ca, Mg, S, Cu, Zn, Fe, Mn, B, Cl);
and biologically functions as a habitat for biota (organisms) that actively participate in the supply of these nutrients and additives (growth promoters, protection) for plants, all of which are integrally capable of supporting soil productivity to produce biomass and production of both food crops, medicinal plants medicine, plantation industry, and forestry.
