In this research effect of various parts of plants ,phenological stages and vegetation forms on soluble carbohydrates reserves and forage quality indicators for 2 years2009 and 2010 were investigated. Samples were collected from the natural rangeland habitats 3 phenological stages(first vegetation stage, flowering, seedling).Species included: 2 grasses(Secale montanum,Festuco ovina), 2 forbs(Lotus corniculatus, Sanguisorba minor) and 2 shrabs(Kochia prosterata, Salsola rigida).