搜索结果: 1-12 共查到“农学 Bulgaria”相关记录12条 . 查询时间(0.062 秒)
Dynamics and Vertical Distribution of Roots in European Beech Forests and Douglas Fir Plantations in Bulgaria
Keywords annual production biomass Decision Matrix necromass root traits root mass sequential coring turnover rate
2024/2/26
Recently, increasing attention has been paid to the anthropogenic degradation of the riverbed and its relationship to the ecological status of the adjacent river landscape. The key objective of this r...
Substantial hybridisation between wild boars (Sus scrofa scrofa) and East Balkan pigs (Sus scrofa f. domestica) in natural environment as a result of semi-wild rearing in Bulgaria
microsatellites PCR-RFLP melanocortin-1 receptor introgression local pig breed commercial pig breed
2017/2/21
The East Balkan pig (EBP) is a traditional domestic pig breed in Bulgaria managed in semi-wild conditions and well-adapted to the continental climate and rearing on pastures. From the genetical and hi...
Results of 20 years old Douglas-fir provenance experiment established on the northern slopes of Rila Mountain in Bulgaria
Pseudotsuga menziesii introduction
2015/5/5
The purpose of this study is to facilitate the detection of provenances relevant to the reforestation practice
in Bulgaria. Studies were carried out in a Douglas-fir provenance trial plantation esta...
Investigation of Douglas-fi r provenance test in North-Western Bulgaria at the age of 24 years
adaptation Phaeocryptopus gaeumannii provenances
2015/5/5
A comparative analysis of growth rate and health condition of 54 Douglas-fir (Pseudotsuga menziesii
[Mirb.] Franco) provenances was conducted at the age of 24 years. The provenance test was establis...
Actual status of the beech bark necrotic disease in North Western Bulgaria
beech Fagus sylvatica L. bark necroses
2015/3/3
In this paper we present recent findings about the beech bark necrotic disease in selected localities situated
in the mountain ranges Vitosha and Stara planina in Bulgaria. The resulting values of n...
ТRENDS IN WORLD SOUR CHERRY PRODUCTION AND STATE OF SECTOR IN BULGARIA AFTER TRANSITION
Cherries production factors harvested area Bulgaria
2009/9/30
In this study a comparison and evolutionary overview of the world-wide and Bulgarian
sour cherry industry for the period 1997-2006 was made. Sour cherry production area
in the world increased during...
ECONOMIC AND FINANCIAL ANALYSIS OF PEANUT PRODUCTION IN BULGARIA
Peanut Production Bulgaria
2010/12/6
Peanut is not listed as one of the major crops in the Bulgarian agricultural sector, but its economic and fi nancial viability is promising, but unknown. We use enterprise budgets, capital budgeting t...
PRODUCT AND MARKET ORIENTATION OF HORTICULTURAL FARMS IN BULGARIA DURING THE YEARS LEADING TO EU ACCESSION – STUDIES IN THE PLOVDIV REGION
horticultural farms Ansoff strategic directions farm development
2010/12/6
Agriculture/horticulture has traditionally been an important sector in the economy of Bulgaria. The paper outlines the structural changes in Bulgarian agriculture since 1989 and discusses the product ...
DYNAMICS OF THE RADIOACTIVE POLLUTION IN THE SURFACE LAYER OF SOILS IN BULGARIA TWENTY YEARS AFTER THE CHERNOBYL NUCLEAR POWER PLANT ACCIDENT
Food security urban households Lagos state
2010/12/6
This paper presented the food security situation among urban households in Nigeria. Primary data were used in this study and these were obtained with a structured questionnaire. The households were ra...
THE USE OF PHYSICAL METHODS FOR PLANT GROWING STIMULATION IN BULGARIA
magnetic field laser microwave irradiation
2010/12/6
Different chemical additives are used for rising productivity of plants and animals. Their application causes the contamination of raw materials for food production with toxins that is dangerous for c...
THE ECONOMICS OF PEANUT PRODUCTION IN BULGARIA DURING THE TRANSITION PERIOD
transition economics peanut production
2010/12/6
We examined peanut production systems and selected factors affecting the development of commercial peanut enterprises in Bulgaria. A survey of 220 individual farms and farm cooperatives engaged in the...
DIVERSITY IN COMMON BEAN LANDRACES (Phaseolus vulgaris L.) FROM BULGARIA AND PORTUGAL
diversity landraces germplasm evaluation.
2010/12/1
The genetic diversity of landraces is thought to be the economic valuable part of global biodiversity and is considered of paramount importance for future world production. The investigation was perfo...