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BULGARIAN HUMIC SUBSTANCES SOCIETY

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Proceedings, Monographs on humus substances

 

1. S. Rousseva, E. Filcheva, I. Stefanova (Eds.). Proceedings of the First National Conference on Humic Substances and Soil Tillage (BHSS-BSTRS Conference2000), 11-12 May, Borovec, Bulgaria, CINTI: ND. II. 17 476, Reg. ND 249/2000

2. Journal of Ecological Science cology and Future, 2, 3-4. 2003. BHSS conference03 Humus Substances and the Environment. Second National conference with International Participation, 17-19 September, Borovetz, Bulgaria

3. Markova K. 2002. Coal Autooxidation. SciBulCom LTD, Sofia, 277 p.

 

4. katerina Filcheva. 2007. Ecological role of Soil Organic Matter (SOM) and its importance for expert conclusions. Poni, Sofia, pp. 32. (Bul).

5. katerina Filcheva 2007. Characteristics of Bulgarian soils on: content, composition and stocks of organic matter. Grouping of Bulgarian soils. 2007.  ISBN 978-954-8702-11-9.

Minerva , pp.191. (Bul).

 

6. Soil organic matter and soil fertility of Soils in Bulgaria 2014 (Bul)

 

7.Filcheva Ekaterina. 2015. Characteristics of Soil Organic Matter of
Bulgarian Soils. Lap LambertAcademic publishing ISBN 978-3-659-51204-9,
pp. 177.

 

 

 

 

 

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