Soils

Land;Ground represent one of [the] natural resources which [is] memeiliki many important function in ekosistem, among others as growth of crop, habitat to land;ground microorganism, media to construction ( engineering), system recycle hara unsure and materials pickings of organic and also system to screening and pasokan / depurating of water. terralogy of Merupaka science studying processs forming of land;ground, along with its its[his] factor-faktor, land;ground classification, land;ground survey and way of perception of that field land;ground [is] referred [as] also pedologi.

Land;Ground physics : studying the nature of land;ground like tekstur, structure, land;ground consistency, and movements and content irrigate in land;ground, land;ground temperature and others Chemistry land;ground : memepelajari of[is nature of land;ground chemistry like acidity of land;ground, saturation of basa, elements of hara in land;ground and others.