TY - JOUR T1 - Soil organic matter composition of forest Rendzinas in West Bulgaria JO - Eurasian Journal of Soil Science VL - 10 IS - 4 SP , EP - 320 - 326 KW - Fulvic acids, humic acids, Rendzina, soil organic matter. SN - 2147-4249 DO - 10.18393/ejss.962542 PY - 2021 PB - Federation of Eurasian Soil Science Societies ER -