Prerequisite for the Development of Ecotourism on the Territory of the Town of Zlatograd and Possible Environmental Issues

by Ekaterina Valcheva, Krasimir Aleksandrov
Published 2014-12-01

SOIL CHARACTERISTICS OF PROTECTED AREA “CHINAR DERE”

by RADA POPOVA, EKATERINA VALCHEVA
Published 2007-07-01

A Study on the Effects of Pulp and Paper Industry Sludge on Sweet Corn Crops Grown in Containers

by Daniela Krasteva – Malinova, Ventsislava Vancheva, Ekaterina Valcheva
Published 2014-06-01

ESTIMATES OF ENVIRONMENTAL CONDITIONS OF SOILS IN PLOVDIV REGION IN APPLYING THE NEW HERBICIDES FOR WEED CONTROL IN MAJOR FIELD CROPS

by RADA POPOVA, Ivan ZHALNOV, EKATERINA VALCHEVA, Plamen ZOROVSKI, MAYA DIMITROVA
Published 2012-09-01

Accumulation of Heavy Metals in the Urban Soils of Natural Monument “Bunardzhik” (Plovdiv, Bulgaria)

by Bogdan Nikolov, Iliana Velcheva, Elena Zheleva, Penka Zaprianova, Ekaterina Valcheva, Tatyana Bileva, Slaveya Petrova
Published 2019-12-01

A Case Study of Allelopathic Effect of Parsley, Dill, Onion and Carrots on the Germination and Initial Development of Tomato Plants

by Ekaterina Valcheva, Vladislav Popov, Plamen Marinov-Serafimov, Irena Golubinova, Bogdan Nikolov, Iliana Velcheva, Slaveya Petrova
Published 2019-06-01

Freshwater habitats in Plovdiv town and its surroundings and their importance for the biodiversity

by DILYAN GEORGIEV, SLAVEYA PETROVA, GANA GECHEVA, ILIANA VELCHEVA, ANGEL TSEKOV, VESELA YANCHEVA, BOGDAN NIKOLOV, STELA STOYANOVA, EKATERINA VALCHEVA, IVELIN MOLLOV
Published 2015-08-01