1.

Berchez Octavian, Lazăr Andra Nicoleta

Research on the Productivity of the Countries from N-V of Bihor County, Located on Psamosoles

1

2.

Blajovici (Balint) Alexandra Marilena, Brejea Radu Petru

Research on Legal Aspects of Agricultural Lands in Bihor County from the Interbelician Period to the Present

11

3.

Bunta Gheorghe, Bucurean Elena, Cosma Corina

Dacic- A New Winter Wheat Created at Oradea

15

4.

Crisan Daniel, Brejea Radu, Borza Ioana

Research on Psamosols Formed on Wind Warehouses from the Black Field

23

5.

Donca  Gheorghe

Some  Aspects  of  Data  for  Agricultural  Decision  System  Support

31

6.

Manea Dan Nicolae, Ștef Ramona, Şmuleac Laura Josefina, Cărăbeţ Alin, Ienciu Anişoara Aurelia

Chemical Control of Weeds in Sunflower Crops

37

7.

Martin (Boros) Anca Mădălina, Brejea Radu, Nistor Andrei

Research on the Bioremediation of Soils Polluted with Petroleum Products from the Extraction Area of Suplacu de Barcau, Bihor County

43

8.

Mateoc-Sîrb Nicoleta, Bacău Cristina- Viorica, Feil- David Saida, Mateoc-Sîrb Teodor, Nan Anca, Sicoe-Murg Oana 

Use of Renewable Energy Sources in the Context of Sustainable Development

51

9.

Ștef Ramona, Neacșu Mihaela, Cărăbeț Alin, Grozea Ioana, Manea Dan Nicolae, Ienciu Anişoara Aurelia

Populational Reduction of Ambrosia Artemisiifolia Species from Soybean Crop

57

1.

Ienciu Andrada, Vidican Iuliana Teodora, Cărbunar Mihaela

The Influence of Planting Distances, on the Quantity and Quality of the Production in the Eggplant Crop Cultivated in the Field

65

2.

Popa Dorin

Bihor County Wine Quality Study in ”Vinum Varadinum” Contest

71

3.

Venig Aurora, Venig Adelina, Sîrb Gheorghe Sebastian

The Study of the Economic Indicators Regarding the Establishment and Maintenance of a Super Intensive Buckthorn Plantation in Irrigated System

79

4.

Vidican Iuliana Teodora, Ardelean Ileana, Cărbunar Mihai, Lazăr Andra

Study on the Regenerative and Organogenic Capacity of Echinopsis (Zucc.) Chamaecereus F. Lutea in Vitro Culture on an Addition Medium of a Mixture Formed in Equal Quantities of Indolylbutiric Acid (AIB) and of Benzyladenine (BA)

85

5.

Vlad Ioana Andra, Vlad Ioan, Vlad Mariana, Bartha Szilard

The Influence of the Substratum on Acca Selloviana Cuttings  Rooting

93

1.

Burescu Laviniu Ioan Nuțu, Morar (Burescu) Eugenia Adriana

Forests Vegetation, Forest Habitats of Community Interest in North-West Romania, Included in the Project "Priority Habitats of Forest Steppe and Hilly Piedmonts, Potential Threats and Monitoring of Conservation Status (II)

99

2.

Cheregi Gabriel, Lucaci Codruța Mihaela, Derecichei Laura Melinda, Codău Teodora Anca, Timiș Gânsac Voichița

Induction Heat Treatment of the Triangular Rectangular Drill

111

3.

Curilă Mircea, Curilă Sorin,  Crainic Ghiță Cristian, Popescu (Curilă) Diana

Information Management System with Data Processing Algorithm Applied in the Forestry Sector

115

4.

Derecichei Laura, Lucaci Codruţa, Cheregi Gabriel

Study on Circumferential Processing on Milling Machines in 5 Axis CNC

123

5.

Fetea Marius Serban

Dynamic Analysis of Vibrations Modes for Rectangular Wood Plates

133

6.

Mateș Iosif- Constantin,  Burescu Petru

The Vegetation of the Spruce Forest in the Western Carpathians, Someșul Clad - Someșul Rece Interstream Area. Phytocenoses of the Hieracio Transylvanici - Piceetum Association

141

7.

Moţiu Petrică Tudor

Research on 7135 Forest Ecosystem Type Turkey Oak with Genista - Festuca heterophylla (Regional Version With Common Oak - Sessil Oak - Hungarian Oak Mixed Stand) within the Segment of Landscape Situated on  High Plain of Tinca Forest District

147

8.

Păcurar Ioan, Roșca Sanda, Păcurar Horea Mihai, Bilașco Ștefan, Negrușier Cornel, Dirja Marcel

Research on Forest Species for Black Truffle (Tuber aestivum) Using G.I.S. Techniques. Case Study

157

1.

Agud Eliza, Laslo Vasile, Zăpârţan Maria, Pantea Emilia, Oneţ Aurelia

Factors with Differentiated Implication in the in Vitro Minituberization at Some Potato Varieties  (Solanum tuberosum L.)

165

2.

Bodog Marinela Florica, Todea Adela Olimpia

Groundwater Modelling 3D in Ciumeghiu Area (Bihor)

173

3.

Jávor Szilárd Ágoston

Edifications from the LEADER Program Based on the Results of a Hungarian Micro-Region III. Hypothesis Results

179

4.

Jávor Szilárd Ágoston

Edifications from the LEADER Program Based on the Results of a Hungarian Micro-Region IV. New Scientific Findings

185 

5.

Köteles Nandor,  Pereș Ana Cornelia

The Level of Air Pollution with Sediment Particles in Bihor County in 2016 and 2018

189 

6.

Mintaş Olimpia, Mintaș Ioan, Vicaș Gabriela

Climate Changes in the Past Millenium

195

7.

Pereş Ana Cornelia, Costea Monica, Amarie Sara, Bodi Rafael

Absolute Extreme Air Temperatures in the Vad-Borod Depression

207

8.

Șmuleac Adrian, Man Teodor Eugen, Herban Sorin, Beilici Robert, Șmuleac Laura, Untaru Daniela

Photogrammetric Processing Applied to Water Management for NH Topolovațu Mic, Timiș County

211

1.

Bei Mariana, Anchidin Ovidiu, Popovici Raluca, Bara Lucian, Jude Eugen, Ciavoi Gabriela, Domocoș Daniela

The Importance of Assessing the Ratio Between the Atherogenic Index of Food and the Atherogenic Index of Plasma In Dyslipidemia in Order to Set Up a Diet Plan

221

2.

Bonta Marinela, Daina Cristian, Daina Lucia, Bud Corina, Venter Alina

The Importance of Early Diagnosis in Malignant Melanoma. Diagnostic Methods

229

3.

Ganea Mariana, Ghitea Timea Claudia, Moisa Corina, Bota Sanda

Thin-Layer Chromatographic Method for Identifying Vitamin C in Fruits and Drugs

239

4.

Mateoc-Sîrb Nicoleta, Mateoc-Sîrb Teodor, Nan Anca, Sîrb Gheorghe Sebastian, Venig Aurora 

Education - An Important Factor in the Sustainable Development of Communities

245

5.

Roman Lucian

Analysis of Tourism Activities in the Carpathian Region in the Context of National and International Political Regulation

251