The use of optical parameters in the diagnosis of environmental condition changes in Primorye agrozems

The changes in the contents of mobile organic matter, humus, in the agrodarkhumus soils of Primorye in the introduction of mineral fertilizer various doses and herbicide application are researched. The differences in the soil optical indicators and their components (humic acids) are established. The optical indicators for the assessment of change in the environmental conditions of agrogenic soil are proposed.