1.

Bucurean Eva

The Effect of Some Herbicides Upon Weeds from the Sunflower Culture

1

2.

Chilba Raluca, Brejea Radu, Chilba Ciprian

Research on the Productivity of Some Flax Varieties for Oil in Bihor County

9

3.

Chiurciu Irina-Adriana, Chereji Aurelia-Ioana, Soare Elena, Dana Daniela, Voicu Valentina, Chereji Ioan Jr., Firatoiu Andreea-Roxana

The Cereal Sector in the North-West Region, Romania

15

4.

Dana Daniela, Chiurciu Irina-Adriana, Firatoiu Andreea, Voicu Valentina, Chereji Aurelia-Ioana, Soare Elena, Chereji Ioan Jr.

Management of Mineral Fertilisation in Relation to Wheat Contamination with Fusarium graminearum

25

5.

Gligor Renata Stefania, Serban Georgeta

33

6.

Mateoc-Sîrb Nicoleta, Otiman Păun Ion, Adrian Băneș Adrian, Sălășan Cosmin, Feher Andrea, Raicov Miroslav

Analysis of Romanian Agriculture Development after Accession to the EU

41

7.

Soare Elena, Chiurciu Irina-Adriana

Global Study on the Production and Marketing of Barley

53

8.

Şolea Răzvan Mihai, Șerban Georgeta   

The Effects of Cannabis sativa Hydroextracts on Triticum aestivum Seedlings Pigment Concentrations

63

9.

Spalletta Alexis, Joly Nicolas, Martin Patrick

Interests for the Design of Biosourced Derivatives by Chemo-Enzymatic Synthesis

71

10.

Șușman Ioana Alina, Petruș-Vancea Adriana

Research on the Effect of Copper on Germination and Growth of Phaseolus vulgaris var. Nanus

79

11.

Timar Adrian, Orădan Cristian, Milian Ovidiu, Oșvat Marius

Use of Natural Extracts from Prunus serotina in Textiles as Dyes

87

12.

Urs Mariana

The Influence of Growth Regulators on the Productivity of Winter Wheat in the Conditions of the Western Plain

95

1.

Cărbunar Mihai, Ienciu Andrada, Cărbunar Mihaela, Vidican Oana, Stanciu Ioana Teodora, Bara Lucian

Research on the Influence of Cultivar on Kale Culture Grown in Solariums

101

2.

Gîtea Manuel Alexandru, Maerescu Cristina Maria, Mintaș Olimpia Smaranda, Chereji Aurelia Ioana, Marele Daniela Camelia

The Influence of Soil Work on Quince Production in the Context of Climate Change

107

3.

Ienciu Andrada, Cărbunar Mihai, Cărbunar Mihaela Lavinia, Bara Camelia

Research on the Influence of the Cultivar, Density of Plants and Crop System on the Growth and Fructification of Eggplant Plants

113

4.

Petrehele Anda Ioana Grațiela, Morgovan Claudia, Fodor Alexandrina, Sacalîș Ileana

Evolution of Ascorbic Acid Concentration from Rosa Canina and Hippophae Rhamnoides Fruits to Jam

121

5.

Venig Adelina, Venig Aurora, Sabău Nicu Cornel

Results Regarding the Influence of Irrigation on the Rootstock Seedlings in the First Field of the Fruit Tree Nursery

127

6.

Vidican Iuliana Teodora, Iancu Carmen, Stanciu Alina Ștefania, Cărbunar Mihaela, Stanciu Ioana Teodora 

Comparative Study on the Regeneretive and Organogenic Capacity of Opuntia  (Tournef.) Mill. fragilis var. fragilis, in the Presence in Culture Medium 2,5 mg/l 3-indolylbutyric acid (AIB) and a  2,5 mg/l 2,4dichlophenoxyacetic acid (2,4-D)

133

1.

Budău Ruben

Improvement by Selection of Acacia (Robinia Pseudoacacia  L.) in Romania

141

2.

Buia Ana-Maria, Burescu Petru

Phytocenosis of the Junipero-Bruckenthalietum Plant Association with Bruckenthalia Spiculifolia, Juniperus Sibirica and Vaccinias Biulinium as Arctic-Alpine, Circumpolar, Carpato-Balkan Dominant Species in the Western Carpathians – Biharia Massif

153

3.

Burescu Laviniu Ioan-Nuțu

Ecology of European Beech Stands Populated with Syringa josikaea in the Western Carpathians, Romania

163

4.

Chebeleu Mircea

The Effects of the Emergency Ordinance No. 119/2021 in Terms of the Fight Against Forestry Crime

175

5.

Cheregi Gabriel, Lucaci Mihaela Codruța, Derecichei Laura Melinda, Cheregi Adrian Gabriel

Numerical Simulation of the Induction Heat Treatment of The Conical Drill

181

6.

Crainic Ghiţă Cristian, Irimie Flavius,  Irimie Flavia Mălina

Realization of a Geographical Informatic System for Inaccessible Forest Fund

185

7.

Fetea Marius Serban

Development of Calculation Programs and Numerical Analysis of Displacements in Wooden Beams Using the Direct Integration Method and the Mohr Method

197

8.

Lucaci Mihaela Codruţa, Cheregi Gabriel, Derecichei Laura, Moldovan Ionița Maria

About Testing Seats for Durability and Strength

205

9.

Mihailă Elena, Bîtcă Mihăită, Tudora Adrian, Popovici Laurentiu

Alley Cropping, as a Model of System Adapted to Climate Change

213

10.

Pleșca Bogdan Ionuț, Pleșca Ioana Maria, Timiș-Gânsac Voichița, Dincă Lucian Constantin

Aspects Regarding the Cinegetic Fauna from Covasna County

221

11.

Seghedin Georgeta, Timofte Adrian Ioan

Forest Education Programmes Proposed by the National Forest Administration-Romsilva in Partnership with Specialized Universities and Other Stakeholders (2^nd Part)

229

1.

Agud Eliza, Laslo Vasile,  Pantea Emilia, Oneț Aurelia

Reaction of Some Taxons of Dianthus Genre at the Ex Situ Conservation Through In Vitro Multiplication Techniques

237

2.

Covaci Brîndușa, Avădănei Vasile, Covaci Mihai, Avădănei Lidia

Secondary, Tertiary and Quaternary Sectors of the European Mountain Area: a Statistical Study

249

3.

Köteles Nandor,  Pereș Ana Cornelia, Todea Adela Olimpia

The Level of Air Pollution with Nitrogen Dioxide in the City of Zalău in 2020

261

4.

Pereş Ana Cornelia, Borza Ioana, Mintaș Olimpia, Domuţa Cristian, Köteles Nandor, Bajo Janos

Absolute Extreme Air Temperatures in the Area of Oradea, Bihor County

265

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.

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.

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

1.                   

Ardelean Ileana, Bandici Gheorghe, Borza Ioana

Researche Regarding the Influence of Crop Rotation and Nutrition Regime on the Quality Indicators of Seeds in Winter Wheat Cultivated on the Preluvosoils

1

2.                   

Berchez Octavian

Soils and Pedogenetic Conditions in the Low Plain of Crişurilor

7

3.                   

Bodog Marinela, Todea Olimpia Adela

Ecological Efficiency in Urbanism and Land Planning

17

4.                   

Dejeu Ioana Lavinia, Frenț Olimpia Daniela, Pașca Bianca, Marian Eleonora, Faur Casian, Zbârcea Claudia, Bodea Anca Salomea

Comparison between Anatomical Structures and Metals from Chelidonium Majus L.

25

5.                   

Donca Gheorghe

Aspects of Artificial Intelligence and Machine Learning in Agricultural Industry

33

6.                   

Dumuţa Corneliu, Brejea Radu Petru, Martin (Boros) Anca Mădălina

Agricultural Crops in the Proximity Area of the Former Uranium Exploitation Băița, Bihor County

39

7.                   

Frenț Olimpia-Daniela, Dejeu Ioana-Lavinia, Pașca Ana-Maria, Zbârcea Claudia, Marian Eleonora

Determination of Antioxidant Capacity of Alcoholic Extractes from Peel of Citrus Fruits

45

8.                   

Frenț Olimpia-Daniela, Dejeu Ioana-Lavinia, Săliștean Irimel-Samuel, Zbârcea Claudia, Marian Eleonora

Determination of Antioxidant Capacity of Hypericum Perforatum L. Flowers in Maramures County by Voltametric Method with Differential Puls

53

9.                   

Goga Nicolae,  Mondici Susana, Ursulescu Vlad Bogdan,  Brejea Radu

Manifestations of the Pest Ceutorhynchus Napi (Large Rapeseed Beetle) in the Agroclimate ofNorth-Western Romania

61

10.                

Martin (Boros) Anca Mădălina, Brejea Radu, Dumuța Corneliu

Current Stage of the Research on the Soil Pollution with Petroleum Products as a Consequence of Oil Extraction at National and Local Level

67

11.                

Marușca Teodor, Blaj Vasile Adrian,  Zevedei Paul Marian, Brejea Radu Petru, Petreanu Antonela, Bîrlădeanu Basarab, Rogojan Claudiu Cosmin

Contributions to Restoration of Waste Dumps of Sulfur from The Călimani Mountains

75

12.                

Matei Ioan, Păcurar Ioan, Roșca Sanda, Bilașco Ștefan, Toader Monica Ioana

Preliminary Analysis on the Soil Pollution. Case Study on the Historically in Dej-Nord

85

13.                

Mateoc Teodor, Mateoc-Sîrb Nicoleta, Bacău Cristina, Venig Adelina, Sârb Gheorghe- Sebastian, Venig Aurora, Ciotea Liana Adriana

Identification of Renewable Energy Resources for Sustainable Development of Agriculture

91

14.               

Mondici Susana, Brejea Radu

The Efficacy of Different Herbicides in Control of Weeds from Wheat Crop in the Conditions from SCDA Livada

105

15.               

Stanciu Alina Ştefania, Vidican Iuliana Teodora, Stanciu Ioana Teodora, Cărbunar Mihaela Lavinia

Researche Regarding the Influence of Nitrogen Fertilizers on Simple Mixured of Festuca arundinacea with Medica sativa

113

16.               

Țarenco Monica, Brejea Radu

Study Regarding the Influence of the Soil on the Spontaneous Flora in the Pădurea Craiului Mountains

119

17.                

Urs Mariana

The Effect of Autumn Fertilization with Nitrogen Compared to Complex Fertilizers, on Winter Wheat Production

125

1.                   

Ienciu Andrada, Cărbunar Mihai, Cărbunar Mihaela, Vidican Oana Maria

Research on the Influence of Cultivar on the Production of Eggplants Growed in Solariums

131

2.                   

Todea Viorel, Cărbunar Mihai, Stanciu Ioana Teodora

Research on the Influence of Cultivar on Fruit Production and Quuality in the Cultivation of Edible Pumpkin

137

3.                   

Vidican Iuliana Teodora, Lazăr Andra Nicoleta, Iancu Carmen Violeta, Cărbunar Mihaela

Comparative Study on Regenerative and Organogenic Capacity of Echinocactus mihanovichii and Echinopsis (Zucc.) Chamaecereus f. Lutea Cultivation In Vitro in the Presence in the Cultural Medium of 3-Indutyl Butyric Acid (AIB) Added in Different Concentrations

143

4.                   

Vlad Ioana Andra, Vlad Mariana

Study on the Chemical Composition of Tomatoes

153

1.                   

Buia (Mateș) Ana-Maria, Burescu Petru

Woody Vegetation of Myricaria Germanica with Salix Purpurea Along the Leuca Valley

157

2.                   

Derecichei Laura, Lucaci Codruţa, Cheregi Gabriel

Aspects Regarding the Process of Wooden Surfaces on 3-Axis CNC Milling Machines with Spherical Tool

165

3.                   

Garbacea George, Caradan Radu, Binder Rolf- Eduard, Buda Tiberiu

Fagus Sylvatica Habitat Suitability In The Apuseni Mountains

171

4.                   

Iovan Călin Ioan

Establishing the Links Between the Width of the Platform and the Area Width to the Forest Roads. Case Study

177

5.                   

Păşcuţ Călin Gheorghe

Phytocoenological Study of Rocky Vegetation from Codru-Moma Mountains Based on Ecological Indices

183

1.                   

Bocoi Florina-Mariana, Horga Ioan

Foreign Investments in the Field of Waste Management at the Romanian-Hungarian Border

195

2.                   

Dubău Călin Gavril

Study on the Calculation Algorithm for the Parameters of the Power Curves of the Vertical and Horizontal Axis Wind Turbines

201

3.                   

Fetea Marius Serban

Study Regarding The Implementation of the Matrix Material Calculation Programs In Determining the Deformations of The Bended Beams

205

4.                   

Ilie Aurelian Leonardo, Marinescu Mariana

Phenological Anomalies Observed at the Birds (Vertebrata: Aves) from Different Parts of Romania

213

5.                   

Pereş Ana Cornelia, Borza Ioana, Mintaș Olimpia, Köteles Nandor

The Annual Rainfall Regime in the Area of Vad-Borod Depression

219

1.

Berchez Octavian, Berchez Daniela

Research on Limiting Factors of Landscape Productivity in Abram Locality, Bihor County

1

2.

Blajovici (Balint) Alexandra Marinela, Brejea Radu Petru

Study on Agricultural Support Beneficiaries Granted in Bihor County

15

3.

Bura Giani, Timar Adrian

Agrifoodstuff Controls in Bihor County between 2015 - 2019

21

4.

Chilba Ciprian, Brejea Radu, Popescu Mihai, Chilba Raluca

Research of Evolution of Areas with Maize Cultures in Romania During 2014-2018

25

5.

Covaci Cristian-Eugen

The Influence of Soil Upon Production of Winter Wheat in the Region of Carei, Satu Mare County

31

6.

Donca  Gheorghe

Aspects  of  Battery  Powered  Farm  Machines or  Farming  4.0

35

7.

Mondici Susana, Fritea Teofil, Brejea Radu, Borza Ioana

Selectivity and Efficiency of Different Herbicides for Weeds Control in Pea Cultures under the Conditions existing in  ARDS Livada

41

1.

Cărbunar Mihai, Vidican Iuliana Teodora, Todea Viorel, Cărbunar Mihaela

Research regarding the Improvement of the Technology in the Culture of the Ecological Spinach Grown in the Solariums

47

2.

Demelezi Florent, Sylanaj Syle

Dependance of Growth of Apple Trees Measured by Off-Season Pruning in Kosovo Climate Conditions

53

3.

Ienciu Andrada, Cărbunar Mihai, Cărbunar Mihaela

Behavior of some Lettuce Varieties in Ecological Culture with Food and Decorative Values

63

4.

Venig Adelina, Venig Aurora

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

69

5.

Vidican Iuliana Teodora, Cărbunar Mihai, Vidican Oana Maria

Comparative Study Regarding the Regenerative and Organogenic Capacity of Explants of Aylostera heliosa, Cultivated "In Vitro" in the Presence in the Substrate of the AIB (3-Indolebutyric Acid) and 2,4-D (2,4-Dichlorophenoxyacetic Acid)

75

6.

Vlad Mariana, Vlad Ioan, Vlad Ioana, Bartha Szilard

The Inducement of the Rootedness Process of Hippophae Rhamnoides Cutting Using Radistim Type Bioactive Substances

83

1.

Bodog Marinela

Software Used for a Comparison Between Horizontal and Vertical Drainage Systems in Anisotropic Soils

87

2.

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 (I)

95

3.

Dorog Sorin

Solution for Normalization Production Fund, Determination and Analysis Evolution in Different Assumptions

99

4.

Fetea Marius Serban

Modal Analysis Study of Rectangular Wood Plates

119

5.

Lucaci Codruța, Cheregi Gabriel, Derecichei Laura, Nemeș Ioan

Contributions regarding the Processing of a Craft Object with the CNC STEPCRAFT – 2D.840

127

6.

Mateș Ana- Maria,  Burescu Petru

Saxicolous Vegetation from the Vartop Massif – The Mountains of Bihor. Phytocenosis of the Asplenietum Viridae. As. Nova Association

135

7.

Pășcuț Călin

Study on the Pastoral Value of Agrostis capillaris Grassland on Tășad Hills (Bihor County)

143

1.

Dumuta Corneliu, Brejea Radu, Jude Eugen

The Influence of the Anthropogenic Component on the Soil Evolution in the Băița-Ștei Area from the Beiuș Basin

153

2.

Jávor Szilárd Ágoston

Edifications from the LEADER Program Based on the Results of a Hungarian Micro-Region I. Introduction and Literature Review

161

3.

Jávor Szilárd Ágoston

Edifications from the LEADER Program Based on the Results of a Hungarian Micro-Region II. Material and Methods, Own Analyses

165

4.

Köteles Nandor 

The Level of Air Pollution with Nitrogen Dioxide in the City of Satu - Mare between 2016 and 2018

171

5.

Mintaş Olimpia 

Climate Change-Causes and Effects

177

6.

Pereş Ana Cornelia, Köteles Nandor, Borza Ioana, Domuţa Cristian

The Relative  Moisture of Air in  the Crişuri Plain

185

7.

Țarenco Monica, Brejea Radu

Study on the Diversity of the Spontaneous Flower in the Pădurea Craiului Mountains

193

1.

Bei Mariana, Bara Camelia, Roșan Cristina, Jude Eugen, Oșvat Marius, Domocoș Daniela

The Influence of Temperature and of the Storage Life on the Chinese Cabbage

199

2.

Ganea Mariana, Ghitea Timea Claudia,  Groza Florina, Paşca Bianca, Gîtea Daniela, Pallag Annamaria

The Morpho-Anatomic Comparative Study of Two Species in the Malvaceae Family

207

3.

Pușcaș Cristian

The Action of the Underground water on Historical Constructions

213

4.

Todea Adela Olimpia, Iancu Carmen

Geometric Modeling Applied in Engineerin

221

5.

Tunduc Adrian, Iacobescu George Iustin

Metropolitan Pollution and the Impact on Labour Efficiency

225

6.

Vuşcan Adrian

Results Regarding the Influence of Different Doses of Chemical Fertilizers on the Concentration of Zinc in Wheat Grains

231