The first layer of soil is called topsoil. It contains tiny rocks and many kinds of microbes. There are millions of microbes in loam soil, a mixture of clay and sand. About 15 percent of loam is fertile. Fertile soils have a lot of humus and minerals that plants need.
Fertilizers are substances added to enrich soil making it better for the plant.
Organic fertilizers have plant and animal items, like decayed leaves and manure. Ingredients like these are put in to hold the minerals. Magnets A magnet is a metal that attracts metals such as iron and other materials. A magnet has a north pole and a south pole. A north side will attract to a south side but a north and north or south and south side will push away from each other.