what is in humus
Humus is decayed organic matter in the topsoil of mature soils. Humus helps the soil to hold water better, by providing nutrients, and by keeping the soil from getting packed down.We do not exactly know if it is living or not.HUMUS:Mixture of rotting plant and animal material found in soil.umus is decayed organic matter in the top soil of mature soils. Humus helps the soil to hold water better, by providing nutrients, and by keeping the soil from getting packed â¦ down makes a plant grow very fast. + 4 others found this useful. Devonte Charles.