Valentina Voicu

National Research and Development Institute for Soil Science, Agrochemistry and Environmental Protection | ICPA · Department of Soil Genesis, Soil Survey and Land Evaluation

The objective of this paper is to present a sketch map of the accumulation of soluble salts in soils from Romania, as a support for improving saline soils or preventing undesirable anthropogenic salinization phenomena.The map highlights the spatial distribution and movement of easily soluble salts in soil at the scale of the entire country, It is a...

The credit rating aims to establish the favorability classes of land for different agricultural crops. In this context, the present study aims to quantify the favorability of the Chromic Luvisols from S.C. Agrotehnic Paulesti for arable use. Also, this study has as a main objective a morphological characterization and profile description of Chromic...

Soil is a living organism and must be seen as a complex ecosystem. The biodiversity and ecological characteristics of a soil are strongly influenced by the edaphic environment of its property. The purpose of this paper is to present aspects related to some properties (macromorphological and micromorphological) of Vertic Luvosol and the consequences...

The current status of Great Brăila Island is the result of an extensive activity of damming/draining/land reclamation of the Brăila Swamp with the aim to be used in agriculture. The final areas obtained from this complex activity preserve the specific variability of the flood areas. In order to be used in agricultural purposes, they need crop techn...

The use of chemical fertilizers is one of the most important causes of environmental pollution. The reduction of nutrient losses can be achieved using an alternative fertilization system, a system that includes foliar fertilization. The paper presents experiment results obtained into the greenhouse applying three new ranges ofnon-conventional folia...

At the world level, currently, more and more emphasis is being placed on the development of techniques and methods to reduce the incidence of Fusarium head blight in cereals based on links in plant culture technology. In this context, the purpose of this work is to evaluate the reaction of some wheat varieties to NPK fertilization in connection wit...

The topic is particularly important because toxins cause mycotoxins in plants and animals and remain in food products obtained from infected organisms and they are mutagenic, teratogenic and estrogenic effects in animal and human bodies. Also, may be a serious threat to human health. This study presents the mineral nutrition status of winter wheat...

The paper aims to present the monitoring and quantification of soil losses through runoff as a result of the erosion phenomenon. The experimental results obtained during June-October 2009 on the standard plots for runoff and erosion control are presented. The results of the studies carried out highlight that the precipitation volume was 202.6 mm (2...

As it is well known, Romania is an important cultivator and producer of wheat in the European Union. Due to the pedo-climatic conditions that our country has, wheat is found in all development regions, and especially in the South-Muntenia Region. Here, in 2020, 602,794 ha were cultivated, representing 28% of Romania's total area cultivated with whe...

The current paper presents the monitoring of soil and nutrient losses through runoff as the result of the climate change. The experimental results were recorded on the standard plots for runoff and erosion control. The results of the studies carried out highlight that total nitrogen losses range from 0.05 kg/ha to 12.60 kg/ha, potassium displaced f...

Although the cultivation of fruit trees is a traditional activity in Romania and our country has natural potential in this regard, both the cultivated area and the fruit production have decreased lately. That is why the NRDP 2014-2020 included a sub-programme for this sector, with sub-measures to redress the field and successfully respond to curren...

Wheat is a basic product for consumption in Romania due to the food consumption model of the population and is the main raw material for manufacture of bakery products. In parallel it is used as animal feed. For our country's economy is an important segment because it provides significant quantities for export. Among the pathogens that affect the w...

The paper presents the situation of the cereal sector in the NorthWest Region, a sector represented by the following main crops: maize, wheat, barley, oat and rye. The areas cultivated with these cereals and the productions obtained in the period 2015-2020 are analyzed. Maize and wheat were detached, occupying the largest areas and having the highe...

One of the most beloved tropical fruits in the world, the pineapple, offers significant health benefits and is rich in vitamin C, B vitamins, fiber, and minerals. The research on the production and marketing of pineapple around the world, highlights the main trends in production, area cultivated, value and quantity imports and exports for the perio...

At the level of the European Union, Spain was the largest peach grower in 2019, with an area of 47.94 thousand ha and a production of 940.50 thousand tons, followed by Italy and Greece. Romania's peach production amounted to 17.19thousand tons, far behind other states in the eastern part of the EU. Although it had the largest number of peach trees,...

The paper analyses the areas cultivated with pear trees in the EU and the productions obtained in 2019. It is noted that Italy placed first in both categories, and Romania was on the 9th place, with 3.08 thousand ha and a production of 46.16 thousand tons, according to Eurostat. At the country level, Macroregion One recorded the highest number of p...

The paper analyzes the areas cultivated with plums worldwide, in the European Union and in Romania, in the period 2018-2019. Also, the number of cultivated plums and the production obtained at national level are presented, on Macroregions and Development Regions, as well as at the level of the counties that make up the North-West Development Region...

Lucrarea constă dintr-un SISTEM EXPERT integrat, care cuantifică prin puncte de bonitate şi de penalizare resursele climatice, resursele de sol şi de infrastructură, producţia şi calitatea fructelor. Se sprijină pe o bază de date climatice, pedologice şi biometrice care cuprinde patrimoniul pomicol al României și se bazează pe cercetări efectuate î...

Nowadays, special foliar fertilisation has become widespread because it is distinguished by a high economic efficiency, especially in: conditions of soils with low accessibility of nutrients, calcareous and alkaline soils where foliar fertilisation represents an efficient mean of curative treatment for iron, zinc and manganese deficiencies; semiari...

Although Romania was the third apple grower in the European Union in 2018, after Poland and Italy, the country's apple production accounted for only 4.6% of total European production. The paper presents the evolution of the production of apples and the number of apples grown in the Macroregions of Romania, during the period 20102018, emphasizing th...

The paper presents some aspects concerning the influence of special foliar fertilisation on yield and concentration of nutrients in hybrid sunflower seed. This way is useful in seed production, in order to obtain seeds enriched in nutrients, especially in Mo, which caused nutritional disorders in commercial lands. According to the results, the spec...

The expert system-CROM tests a set of criteria and indicators on the basis of climate, land and infrastructure information in order to create an ecologic integrated model for fruit-trees land and orchard. The main objective of this paper was the monitoring of the natural and artificial resources, at Paltinis farm, in Banat region, in order to estab...

The paper presents aspects concerning the management of natural resources (climate conditions, soil fertility and relief conditions) and anthropic resources (the orchard infrastructure), as well as the quantification and characterization of the indicators of these resources in an expert system-CROM. The main objective of this study was the monitori...

Results on the influence of abiotic stress factors on plant growth parameters and humus compounds under inoculation of microbial consortia with the potential to increase the tolerance to the effects of stress in the environment.

Litter decomposition and soil forming processes involve the contribution of microbial communities to organic matter humification from forest soils. Soil degradation observed in pure Pinus plantations and other tree species, such as Larix gmelini, Pinus massoniana, Populus spp., has attracted the interest of ecologists and foresters. In this study...

Soil microbiological characteristics could be influenced directly or indirectly by the dominant tree species. Generally, forest soils are rich in organic carbon (C) compounds and in microbial biomass, because these soils have high and constant inputs of materials from to the trees. Microorganisms utilize a variety of extracellular enzymes, includin...

The analysis aims to discover what methods can be applied such that the average of winter wheat production per ha would grow. The main objective of this study was to establish the mineral nutrition status of winter wheat in relation with the soil and climatic conditions in the SC Agrotehnic PAULESTI experimental plots. In order to evaluate the mine...

Braila plain has large areas occupied by lakes and ponds, some of them with a high degree of mineralisation. Movila Miresei lake is situated in the western part of Braila plain, its water being chlorosodic-sulphate, with large variations in salt concentration. In order to highlight seasonal mineralisation degree of Movila Miresei lake, water sample...

Irrigation, when applied correctly, confers insurance against seasonal variability and drought. Non-adequate management of irrigation water can cause soil erosion, leaching of nutrients, pesticides, pathogens and weeds spreading. Research have been carried out in order to assess changes in the structure, taxonomic composition and activity of microb...

The aim of INSPIRATION is to establish and promote the adoption of a strategic research agenda for land use, land-use changes and soil management in the light of current and future societal challenges. Main objectives are:  Formulate, consult on and revise an end-user oriented strategic research agenda (SRA);  Scope out models for implementing th...

The aim of the Coordination and Support Action INSPIRATION is to achieve in a the bottom-up approach the developing, delivering, match-making and promoting of a Strategic Research Agenda (SRA) for land and the soil-sediment-water system, land-use changes and soil management addressing the societal challenges in Europe. The main objective of WP2 “De...

The soil water retention curve or the soil water content-matric potential relationship expresses the capacity of soils to store water for plant growth, which is a very important soil property for irrigation and hydrological modelling. Due to relatively long time involved in the determination of water retention curves, there is an increasing interes...

It is argued the cosmogeobiotic nature of the pedosphere (or of soil cover), and the absolutely necessary involvement of the substance and energy fluwes in the formation and existence of soil, new aspects that make complet knowledge in this field. The soil is cosmic due to solar main source of the energy involved in soil genesis and due to cyclic d...

The Ciceu–Năsăud Hills represent the northeastern branch of a larger physiographic unit called the Someş Tableland located in the northern part of Romania. The soil cover of this area consists mainly of Luvisols and Alisols (Udalfs) and Cambisols (Udepts) developed on eluvial–colluvial parent materials derived from Oligocene sandstones and conglome...

The main objective of this paper was to analyse soil solution sampled with a SDEC lysimeter and evaluation of mineral nutrition of wheat in relation with the soil conditions from the S.C. Agrotehnic S.R.L. Paulesti experimental plot. For analysis of soil solution taken by a SDEC lysimeter, soil solution was analysed in terms of reaction, electrical...

The paper presents the method and the actions carried out for the definition of the soil mapping units of the Soil Map of Romania at the scale 1:200,000 (SMR-200) using an extended terminology of the international soil classification system WRB (World Reference Base for Soil Resources 2006, update 2007): (1) Developing a "Notation" for a formalised...

The main objective of this paper was the evaluation of mineral nutrition of wheat in relation with the soil conditions of the Agricultural Research and Development Station (ARDS) Livada and Research and Development Station for Bovines (RDSB) Tg. Mures experimental plots. Wheat cultivars used were: Glosa, Gruia, Delabrad, Faur and Dropia, and the ty...

Studiul comunităţilor microbiene şi al materiei organice în vertosolul irigat şi neirigat de la Boianu Abstract Irrigation, when administered correctly, confers the producers the possibility to overcome drought effects and obtain higher yields, supplementing the quality of food for animals or human consumers. In the mean time, soil erosion, pathoge...

The main purpose of the study presented in this paper was to assess the influence of amelioration measures on the soil microbial communities and their physiological activities in experimental field from Maxineni-Corbu Nou. Since in literature there are few data and information on the relationships between the amelioration processes and soil microbi...

The main purpose of the study was to assess the influence of melioration measures on the soil microbial communities and their physiological activities in experimental field from Maxineni-Corbu Nou. Previous research have been carried out in this region to describe the natural peculiarities and the main physical, chemical and biological properties o...

Anthropic interventions, such as irrigation can induce major changes in soil fundamental regims with implications in the whole ecosystem equilibrium. The increase of soil moisture causes decrease of temperature, modifies nutritional conditions for microflora and finally changes soil climax. Research have been carried out in order to assess changes...

Anthropic interventions, such as irrigation can induce major changes in soil fundamental regims with implications in the whole ecosystem equilibrium. The increase of soil moisture causes decrease of temperature, modifies nutritional conditions for microflora and finally changes soil climax. Research have been carried out in order to assess changes...

The mineralogical investigation of the 33 profiles of vertisol from Romania indicated that there are two principal geographical zones with vertisols (West and South) which present some quantitative mineralogical differences at the colloidal level. In spite of the fact that in all investigated profiles, the quantitative mineralogical composition of...

As a lithological formation, the loess was for the first time mentioned in the geological works of the 19 century (the first Romanian describe of the loess deposits was given by Gr. Stefanescu in 1895 and the aeolian origin of the loess was stated for the first time in our country by L. Mrazec, in 1899). According to Em. Protopopescu-Pache et. al (...

The presence of the high nitrogen concentrations in soils is a high potential risk for the groundwater and, implicitly, for human and animal health , because the ground water is the main source of the drinking water in many areas abroad. One of the main risk factor for nitrates pollution is the agricultural activity. The aim of the paper is to desc...

Soil erosion forms a major threat to European soil resources, soil being a vital and largely non-renewable resource. Therefore, there is a concern about this issue at European level. Assessing and monitoring soil erosion is needed to evaluate the impact of, inter alia, agricultural and land use policies in Europe. A case-study at a commune (NUTS4)...

Bio-accessibility increase soil nutrients and other natural sources and increase productive use of nutrients in crops, accompanied by decrease the impact of pollutant chemical fertilization on the environment, are major goals of modern agriculture and organic farming by default. The research carried out in the last years on the unconventional ferti...

Sunflower is the most important oil plant, being the third plant in oilseeds grass family, and being used in food and food industry. Being a heat and light loving plant , it is cultivated in the corn areal and it is forbidden to follow plants consuming much water and nutrients. In the natural background conditions on the trial plot, and taking into...

The main objective of this paper is to emphasize the distribution of soils in Braila Plain taking in the account the subunits of relief and pedogeoclimatic microzones. The final goal is to update the pedogeoclimatics microzones limits. Microzonation of Romania territory was carried out in two successive editions (FLOREA et al, 1989, 1999), when the...

Land degradation is an important problem of actual society. In order to protect and conserve the environment, there is a need of an adequate knowledge of all environmental resources and of identifying the risks to which they are exposed. The objective of this paper is to identify soil salinity risk areas from Braila Plain. Researches conducted in t...