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Soil properties of the most productive Tuber aestivum habitats from midpart of Western Bulgaria

Teodor Nedelin, Kameliya Petrova, and Slavcho Savev

Forestry University, Sofia, Bulgaria. E-mail*:,

Only recently, truffle hunting in Bulgaria has established itself as an important source of income and due to the specific socio-economic aspects, there is a tendency for continuous increase of the truffle hunters’ number. Tuber aestivum is the most important commercial truffle in Bulgaria. Because truffles are ectomycorrhizal fungi, at least part of their life cycle is related to plant partner, which in most cases is a tree species. Among those factors that affect growth and distribution of vegetation and of Tuber host plants, are pedoclimatic conditions. They are determined from a large extent on geographical and orographic characteristics, creating specific microclimatic conditions suitable for Tuber fruitbodies development. In this study we focus on various soil properties of the most productive T. aestivum habitats from midpart of Western Bulgaria. We have used Principal component and classification analysis (PCA) to determine the most important soil factors for fruitbody formation. The common feature of the most productive T. aestivum habitats from midpart of Western Bulgaria are high cation exchange capacity values (CEC) and low CaCO3 content. Moreover, our research confirms that Ca2+, total organic carbon and total nitrogen are among the most important factors for T. aestivum production. The results extend our knowledge on T. aestivum ecology and can be used to select the best areas for establishing truffle plantations in Bulgaria.

Received: 14 July 2022 / Accepted: 15 November 2022 / Available online: 22 November 2022

(Forestry Ideas, 2022, Vol. 28, No. 2) [Download]
Issues: 1-5 | 6-10 | 11-11