BULLETIN OF SCIENTIFIC INFORMATION - NR.15 / 2008

1. REACTION OF “VICIA FABA” PLANTS TO SOIL AND FOLIAR N APPLICATION AND K NUTRITION

Cotianu Razvan, Pîrvulescu Mihaela
Bioterra University of Bucharest

Abstract:
The effect of different rates and methods of fertilizer nitrogen application and potassium nutrition on the root nodule formation of Vicia faba plants and on their nitrogenase activity was studied. It was found that fertilizer N depressed the nodule formation and nitrogenase activity, but inhibitory effect of N was smaller when it was supplied to the leaves instead to the soil. Plants growing at higher K level were in a position allowing on better development of nodules and consequently higher N2 - fixation.

Key words: nitrogenase activity, nitrogen nutrition, nodulation, potassium nutrition.

2. ASPECTS ABOUT APPLY FERTILISERS IN ECOLOGICAL VINE GROWING

Cotianu Razvan, Atudosiei Nicole Livia, Corfu Gabriela
Bioterra University of Bucharest

Abstract:
Ecological viticulture is mainly a system that corresponds to the healthy and high quality foods request. Also, ecological wine crop provides the breeding and protection of natural resources on long term for the benefit of future generation. In order to practice the system of ecological viticulture is important to reduce the environment pollution and to promote cautiously the intensive systems of viticulture productions taking into according the use of industrial inputs do not produce pollution over the limits, issued by the food safety standards.

Key words: compost, ecological viticulture, food safety, mineralisation

3. RESEARCHES REGARDING A QUANTITATIVE SPECIFIC FEATURES VARIABILITY FOR SOME CULTIVATED VARIETIES AND CLONES IN DRĂGĂŞANI VINEYARD

Mihaila Daniela Fanuta¹, Corfu Gabriela Cornelia¹, Ciolacu M.², Stoian M.³, Ciobanu Roxana Marilena¹
¹ Bioterra University of Bucharest
² S.C.D.V.V. Dragasani, Romania
³ I.N.C.D.V.V. Valea Calugareasca, Romania

Abstract:
To Drăgăşani S.C.D.V.V. has been studied a quantitative specific features variability applying a different types of pruning and load harvest for the following varieties and clones: Italian Riesling; Sauvignon 62 Dg; Pinot Gris; Selected Crâmpoşia, Cabernet Sauvignon 7 Dg and Romanian Muscat 104 Dg. For Italian Riesling and Pinot Gris it was applied a speronate type of pruning and semnificative deficiencies were established. For Selected Crâmpoşia and Romanian Muscat 104 Dg Clone were obtained semnificative positive results applying Guyot type of pruning on mid stem.A load harvest influenced a quantitative specific features for studied varieties, thus, applying a load of 10 eyes/m2 to Italian Riesling was established a semnificative deficit. In case of Selected Crâmpoşia varieties and Romanian Muscat clone 104 Dg, load harvest had 29 eyes/m2 and were established a very good results. For control, it was used a medium production of varieties.

Key words: clone, type of pruning, harvest load.

4. THE IMPORTANCE OF THE INTEGRATED PEST CONTROL METHODS IN THE SUSTAINABLE SOIL MANAGEMENT

Atudosiei Nicole Livia¹, Maniu Maria¹, Nicolae Floarea¹, Gavrilescu Camelia², Nicolae Ion¹, Nicolae Marian¹
¹ Bioterra University of Bucharest
² Institute of Agricultural Economics Bucharest

ABSTRACT
The integrated pest control is a concept which provides environment protection. The novelty of this concept is represented in the first place by the fact that it does not envisage to maintain at level 0 the pest and disease infestation; it rather accepts their presence in crops up to a certain accepted level, named economic injury threshold, which represents the limit from which the losses due to the infestation with pathogen organisms become important from the economic point of view. Another element is to use compatible control measures, with a synergic effect, i.e. with an enhanced effect when they are associated compared to their single use. The methods applied in the integrated control are the following: physical-mechanical, genetic, phyto-sanitary hygiene, crop management, biological and chemical therapy. In the present paper we present a few preliminary results of the study on
the integration of integrated pest control principles and actions with the environmental principles and actions in the case of twenty small and mediumsized
farms from the county Ilfov. Our studies were performed under the project CEEX no. 56/2006 on the theme: ”Modeling the response of agricultural holdings to the integration of economic and environmental principles through the sustainable management of soil resources”, regarding the integration of economic and environmental principles and actions and the development of certain scenarios on the sustainable soil management. The statistical data referring to production technology were investigated in order to achieve the best management system and to establish the measurements adopted for the integrated crop protection implementation.

Key words: integrated pest control, numerical density (ND), phytopathogens infestation level (IL), sustainable soil management.

5. VARIOUS ECOLOGICAL WAYS OF CAPITALIZING BLUEBERRIES FRUITS (VACCINIUM MYRTILLUS L.)

Atudosiei Nicole Livia¹, Nicolae Floarea¹, Nicolae Marian¹, Manolache Constantin¹, Cotianu Razvan¹, Stefanescu Paul²
¹ Bioterra University of Bucharest
² Romanian Academy of Agricultural Sciences and Forestry

ABSTRACT
The phyto-therapeutic virtues of blueberries-as fruits or as natural juices – are due to the richness of their “vital principles” induced by photosynthesis as: glucides, lipids, proteins, enzymes, vitamins (A, B1, B2, C, E, P, PP), and mineralsn (K, Ca, Cl, Fe, P, Mg, S), pigments, organic acids, phyto - hormones, etc. Knowing the chemical composition of blueberries fruits featured by a lot of phyto-therapeutic, bio-stimulating and nutritive qualities, we must capitalize them in large wide range of appreciated, natural products.
The imperative aim and the efforts for capitalization of blueberries are paid back by the following range of products:
• natural juices;
• half-preserved juices;
• concentrates from natural juices;
• natural colorants - ingredients for food industry.

Key words: blueberries (Vaccinium myrtillus L), phyto-therapeutic features, raw blueberry juice blueberry leftover cake, anthocyanins.

6. BIOTERRA UNIVERSITY’S ECOLOGICAL FOOD RANGE WITH NUTRITIONAL AND THERAPEUTIC VIRTUES

Atudosiei Nicole Livia¹, Nicolae Ion¹, Stefănescu Paul²
¹ Bioterra University of Bucharest
² Romanian Academy of Agriculture Sciences and Forestry

ABSTRACT
This paper presents briefly an important achievement of Bioterra University of Bucharest research focused on the obtaining of an ecological foods range with nutritional and therapeutic virtues for human’s consumption. For all the food products we used domestic raw material in order to underline better the valuable Romanian vegetal and herbs species. The technologies used have low production price due to the new-found processing and preserving manners and due to the domestic raw materials also, they are no polluting and use low energy. In this paper are described a part of these food products, that were already awarded with precious medals in international exhibitions for inventions and new products and technologies. These food products are: „Ecological Vodka Bioterra”, „Carotina” Biostimulating Juice, Soy-beans for human consumption with different flavours,
Natural Concentrate for soft drinks on basis of Chicory (Chicorium intibus ).

Key words: bio-stimulating juice, Chicory (Chicorium intibus). Ecological vodka, natural processing and preserving