Kniazevska kultura is among the oldest large-scale plantations (1893) in Bulgaria. It provides the opportunity to analyze the long-term growth of local and introduced coniferous tree species and use the conclusions to select optimal species for future plantings. Our results show consistent good...

A pot experiment was carried out at the Fruit-Growing Institute in Plovdiv with the aim of establishing the effect of different fertilizer rates on the growth habits and nutritional status of walnut plants of Izvor 10 cultivar grafted on a common walnut (Juglans regia L.) rootstock. The plants were ...

In Eastern Europe, within the European part of Russia, three groups of intermediate spruce forms of European (Picea abies (L.) Karst.) and Siberian (Picea obovata Ledeb.) spruce are distributed on a wide strip of territory from the western border of the Republic of Karelia to the central Kama...

The aim of the study is to make an inventory of Lozen mountain dendroflora and to draw conclusions about its richness, taxonomic and biological structure. A transect method for terrain research was applied. A comparison was made between the dendrofloristic compositions in the four parts of the...

Achinora is a new variety of winter feed barley, created by the method of combinational selection at the Institute of Agriculture - Karnobat. The biological and economic qualities of the variety have been tested in the Institute's Variety Tests for several years, and in the Executive Agency of...

Siela variety is a new high-performance barley feed. It is created at the the Institute of Agriculture - Karnobat by the method of combination selection. The biological and economic qualities of the variety have been tested in the Institute's Variety Tests for several years, and in the Executive...

The effect of the addition of distilled pink (Rosa damascena Mill.) And Siberian larch (Larix sibirica Ledeb) to broiler feed ("hybrid combination" Ross) on the organoleptic and color characteristics of the flesh and fillet meat was studied. Dihydroquercetin (DHQ) and dried distilled rose (RPE)...

The distribution of fast-growing species in Bulgaria and especially the development of industrial forestry farming based on these species would have both social and economic importance to the country. Proof of this is the growing interest in the species Paulownia. In a rapidly evolving world this...

The effect of humic acids (natural products from extraction of brown coal with physiological active action) on young pea plants growing under conditions of Cd toxicity was investigated. Cd-treated plants exhibited low water content in the leaf tissues and increased concentration of Cd in the roots...

A working methodology for dendrofloristic research has been prepared on the basis of methods and approaches used in previous studies on the composition of tree and shrub species in natural areas and parks. The methodology includes characteristic of dendroflora by taxonomic, ecological, biological,...