NCJSC "S.Seifullin Kazakh Agro Technical Research University" will defend a dissertation for the degree of Philosophy Doctor (PhD) by Osserkhan Bekbolat on the topic: «Influence of mycorrhizas on the quality of the planting material of scots pine and siberian spruce and their productivity in the conditions of CSI «IF «Akkol», Akmola region», specialty 6D080700 "Forest resources and forestry".