News about humus systems and forms

Focusing on the classification of units corresponding to specific types of functioning, the humus group identified the characters allowing an easy recognition of these humus systems in the field. The survey of few main morphological features (horizons, structure\u2026with intrinsic physic-biological features to collect and specify) reveals even more detailed humus forms. The redaction of an accessible well-illustrated reference is on the road in collaboration with more than 30 specialists. The aim of this presentation is also to draw attention to the soil in agriculture, forestry and urban areas building