Honey is a concentrated aqueous solution of sugars, especially glucose and fructose, and minor amounts of dextrin, enzymes, volatile oils, organic acids, ethers, and minerals. Honey samples vary in quality according to various factors, such as climate diversity, geographical characteristics, floral supply period, and packaging and storage conditions, which can compromise the quality of the hive's final product. The assessment of honey quality is a major concern that has gained interest internationally because honey has always been subjected to various fraudulent practices which become more sophisticated in the present day. Consumers, beekeepers, and regulatory bodies are interested to have reliable analytical tools and information to allow the detection of adulterated honey. The UV-VIS spectroscopy and FTIR spectroscopy techniques are two analytical methods used to analyze the honey quality nowadays, with hydroxymethylfurfural being used as a standard for testing honey's freshness. The present study was conducted to assess the quality of some floral honey samples (rapeseed, acacia, and polyfloral honey) produced in Argeș, Călărași, Giurgiu, and Teleorman counties from the south of Romania. Differences between honey botanical and geographical origins were analyzed and highlighted with One-way ANOVA (p˂0.05), followed by Duncan`s Multiple Range Test. Our results indicated that honey is a valuable source of bioactive compounds.

Over time, different ways have been used to increase vegetable production per unit area; from the crop systems used (field crops, protected crops and forced crops), to intensive land use (successive, associated, double and intercropping) and to the technologies applied to them. In this paper we aimed to observe some aspects related to the behavior of tomatoes grafted on potatoes.The biological material was represented by: 'Sweet Million F1' cherry tomato hybrid variety, "Carrera" white potatoes, "Memphis" red potatoes, "Blue Star" hybrid purple potatoes. The experimental variants were: tomato control variant, potatoes control variants and tomato variant grafted on red, white and purple potatoes. It was observed that the best grafting was the tomato version grafted on the red potato. The control potato variants had the highest production compared to the grafted ones.The control tomato variant registered the highest number of flowers and formed the most fruits.The three grafted variants had a lower degree of fruit binding compared to the control variant.

The livestock sector is an important component of agriculture that involves the breeding of various types of domestic animals. Although animal husbandry is a key activity in global food production, providing food for human society, income, jobs, nutrients, etc. it also has negative consequences, being the second largest polluter after the power industry. An important issue related to the livestock sector is manure produced by animals. The purpose of this paper is to understand the potential of organic manure nutrients as well as the negative effects they can have on the environment. In order to carry out the study, investigations were required regarding the calorific value and the elementary analysis (C, N, H, S, O) for five different types samples of manure from: poultry, sheep, cow, horse and pig. All types of manure have a moisture content of between 40-60% and can be used for composting. With manure we can produce biogas, but is necessary to know the correct way of managing manure in order not to lead to pollution

Blueberry belongs to the Vaccinium Genus, Ericaceae Family, Ericales Order. The highbush blueberry (Vaccinium corymbosum L.) is classified as a commercially-grown berry. Blueberries are appreciated for their taste, nutritional value, and both pharmacological properties and biologically active functions. This study objective was to determine the total sugar content in frozen fruits of the highbush blueberry genotypes used as genitors ('Simultan', 'Delicia', 'Duke', 'Azur', 'Northblue', '4/6', '6/38') and 88 hybrid progenies 'Simultan x Duke', 'Simultan x Northblue', 'Azur x 6/38', 'Azur x 4/6', 'Delicia x Duke', 'Delicia x Northblue'. The total sugar content of frozen fruits was analyzed by the phenol-sulfuric acid method. The results showed that the total sugar content of the genitors varied between 2.83 and 3.81 g glucose/100 g. The fruits of 'Simultan' cv. had the highest total sugar content (3.81 g glucose/100 g). The highest total sugar content, 5.486 g glucose/100 g, was found in a 'Simultan × Duke' hybrids.

This study aimed to analyze the extraction time influences on some phenolics and carotenoids determined in the chokeberry dehydrated residue. In addition, the dynamics of the DPPH· radical reduction under the influence of the different amounts of chokeberry extract and reaction time were registered. For this purpose, fruits belonging to the ’Melrom’ and ’Nero’ cultivars grown in the experimental plots of the Research Institute for Fruit Growing Maracineni-Arges were harvested at full maturity, in the middle of August 2021 and pressed for juice extraction. The resulting pomace was subjected to convective dehydration at 45ºC. Values of 12286.11-16560.88 mg GAE/100g DW for TPC, 6567.96-9428.90 mg GAE/100 g DW for TTC, and 3293.74-5109.63 mg CE/100 g DW for TFC were registered. Lycopene and -carotene ranged between 0.78-1.43 mg/100 g DW and 0.21-0.37 mg/100 g DW. Longer ultrasound treatment led to higher TPC and TFC, while TTC decreased after 60 minutes. Raising the extraction time by at least 24 hours resulted in higher amounts of carotenoids. The lowest remanent radical activity (A=20.55%) was determined for the 50 and 60 µL extract doses. In this case, A% was minimal after 20 minutes of the DPPH reduction reaction (12.62-12.94 %), but not significantly different compared to the values determined after the first 8 minutes of the reaction (17.59-19.11 %).

Air pollution is one of the most dangerous forms of pollution, which can have disastrous effects on the environment. For example, pollution with sulfur oxides contributes to the formation of acid rain and nitrogen oxides promote the accumulation of nitrates in the soil. Meteorological factors, such as temperature, significantly influence the levels of pollution and the spread of pollutants in the lower atmosphere. Air pollution meteorology helps to understand how pollutants are emitted and dispersed in the ambient air. Therefore, the purpose of the paper was to monitor for one year the concentrations of NO2 and SO2 in Argeș County and to correlate these data with climatic and urban parameters. The study concludes with a simulation of the dispersion of pollutants emitted by a source, having dimensions and location similar to those of the evacuation tower from CET Bradu, in conditions of a stable atmosphere at various temperatures.

Grasses or ornamental grasses are increasingly used in contemporany arrangements, both in the composition of lawns and as solitary plants, group, masifs or curbs. The present study was conducted to evaluate the behavior of some decorative grass species/cultivars: Carex morrowii ΄Snowline΄, Carex morowii ΄Ice Dance΄, Festuca glauca, Koeleria glauca, Miscanthus sinensism ΄Variegatus΄, Pennisetum alopecuroides ΄Hameln΄, Pennisetum setaceum ΄Rubrum΄, in different areas of Pitesti. Observations and determinations were made on: biological characteristics, ability to multiply, aesthetic qualities, growing and requirements, winter hardiness, pruning effects, correlated with the variation of everage annual temperatures (°C) and average annual rainfall (mm/month) in 2 year of reporting, 2019 and 2020. Ways have been proposed to use the ornamental grasses studied in the landscape arrangements and the importance of their incorporation in the green spaces, for ecosystem offers: restoring the ecological balance, capitalizing on natural resources and developing biodiversity.

At present, climate change is a global reality. One of its causes is the presence of pollutants in the atmosphere. Therefore, the purpose of this paper is to observe how the dispersion of pollutants is influenced by meteorological and topographic parameters. In order to carry out the study on the influence of synoptic conditions on the dispersion of air pollutants PM10 and CO, a continuous monitoring of the two pollutants was needed for one year (from March 2020 to February 2021) at all six air quality monitoring stations located in Argeș County. These data will be correlated with the climatological parameters obtained from the National Meteorological Administration. Using a numerical modeling program (SCREEN), it was performed a simulation of the dispersion of pollutants, determining the maximum concentration of the pollutant and the distance it reaches the ground, for several wind speeds, in all five classes of atmospheric stability.