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Browsing by Author "Volf, Mariana"

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The acidity in the must of the feteasca alba variety, in relation to fertilization and the content of macroelements in the plant

Paraschiv, Luminița-Nicoleta; Răus, Lucian; Bolohan, Diana-Elena; Chelariu, Elena-Liliana; Avarvarei, Bogdan-Vlad; Volf, Mariana (University of Agronomic Sciences and Veterinary Medicine of Bucharest, 2023)

The research focused on the analysis of the impact of these macroelements, used in different doses and ratios, on the accumulations in the plant and on the production quality, respectively on the varied acidity of Fetească ...
Apple trees fertilization and its influence on the potassium content in soil and plants in correlation with calcium and magnesium absortion

Bolohan, Diana-Elena; Volf, Mariana; Chelariu, Elena-Liliana; Răus, Lucian (University of Agronomic Sciences and Veterinary Medicine of Buchares, 2023)

The paper presents how the soil fertilization with NPK in different doses and combined with two types of foliar fertilizers, applied to an apple tree orchard, changes the potassium content in soil and leaves. For a better ...
Assessing of the state of fertility in the vines, under the influence of the fertilization chemical, in the context of agro-eco- pedological characteristics of the vineyard of Husi, Romania

Volf, Mariana; Paraschiv, Luminița-Nicoleta; Chelariu, Elena-Liliana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016)

The fertilization of vine plantations aims at amplifying and intensifying the productive capacity of fruitful vineyards, in close correlation with the effect-efficiency- effort triad. A system of balanced fertilization, ...
Cadmium presence in agricultural soils from Iasi metropolitan area

Volf, Mariana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)

The work is part of an extensive study, conducted over two years, which followed the main monitoring mechanisms and relationships involved in the trophic chain soil-plant-animal in an determined area, and continuing with ...
Determination and analysis of the total forms of nutrients from the plant material of the variety Aligote, into an experience stationary with fertilizers, in the conditions of the Vineyard Iasi

Volf, Mariana; Paraschiv, Luminița-Nicoleta (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016)

Foliar diagnosis of nutrition by chemical analyses is an extended method, by which are analyzed some vegetative parts (especially leave, but also nervures, petiole, young buds, or branches of one year old), determinate ...
Effects of fertilization on the evolution of macronutrients concentration in Malus domestica leaves, Idared variety, under agroecopedological conditions of "V. Adamachi" farm, Iaşi

Bolohan, Diana-Elena; Avarvarei, Ioan; Volf, Mariana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2011)

Confirming or infirming disorders of nutrition and correcting fertilization systems through foliar diagnosis is the central objective of the study undertaken in Malus domestica Borkh experience, Idared variety. The paper ...
The influence of differentiated fertilisation on the sugar level in the must, for the Aligote and Feteasca alba varieties, under the conditions of the Iasi vineyard

Paraschiv, Luminița-Nicoleta; Volf, Mariana; Chelariu, Elena-Liliana (Iasi University of Life Sciences (IULS), Iași, 2023-02-27)

Wine soils from the country’s main vineyards contain 0.05-0.25 g total per 100 g soil, 0.9-20 mg /100 g soil and 6.5-36 mg /100 g soil. The amount of fertiliser that the plant will use – the degree of use – depends on the ...
The influence of minimal NPK fertilisation on the quantity and quality of apple yields

Bolohan, Diana-Elena; Volf, Mariana; Răus, Lucian (Iasi University of Life Sciences (IULS), Iași, 2023-06-29)

During an annual cycle, fruit trees go through developmental stages, characterised by a higher demand for some mineral elements, called critical periods, which coincide with the phenophases of bud opening and shoot initiation. ...
Influence of phasal fertilization on the soil fertility, nutritive balance and production, at a crop of cucumbers produced in vegetation pots

Paraschiv, Luminița-Nicoleta; Volf, Mariana; Chelariu, Elena-Liliana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2017)

A primary factor in achieving higher production to crops, along with other vegetation factors, is the fertilization. For the vegetable crops where production system is intensive, it is frequently used the ...
Influence of supplimentary fertilization on status of soil fertility and production, at a cropof potatoes in position belonging to TCE 3 Brazi, Girov, Neamt county

Volf, Mariana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2017)

Fertilization of soils is a very important agrochemical measure,in the chainof the technological links of a culture. The harmonization of the use of fertilizers in the ground, plant and cultivation technology and agronomic ...
The influence of the usual holding solutions on Hyacinthus orientalis cut flower vase life

Răus, Lucian; Volf, Mariana; Bolohan, Diana-Elena (Iasi University of Life Sciences (IULS), Iași, 2023-08-23)

In this study, four holding solutions very often used by florists and the final consumer were tested to analyse their impact on the development of the inflorescence, as well as the elongation, weight and degree of ...
Monitoring the state of the insurance of soil with the main total forms and mobile nutrients under the influence of fertilization, in the conditions of the Vineyard Iasi

Paraschiv, Luminița-Nicoleta; Volf, Mariana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016)

The problem of vineyards fertilization is especially complex because of the great amuont of agents that interfere. Fertilization, in nowadays technical progress, must amplify and intensify the productive capacity of ...
Radicular fertilizations vs foliar fertilizations and their impact on the chemical composition of plants on a tomato culture

Paraschiv, Luminița-Nicoleta; Volf, Mariana; Chelariu, Elena-Liliana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2018)

The use of fertilizers correctly involves analyzing and determining the factors that condition their effect. The doses, certain stress factors, the biological features of crops, pedo-climatic conditions, the level of ...
Tomato crop fertilization -a undisputed benefit for efficient production at an expected level

Paraschiv, Luminița-Nicoleta; Volf, Mariana; Chelariu, Elena-Liliana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2019)

Because the plant is a symbiosis of two systems, one heterotroph with one autotroph, respectively the root with the aerial part, it is the projection of a somewhat differentiated and yet unitary metabolism, and ...
Variation of elementary chemical composition at a culture of chemichally fertilized potato in an area belonging to TCE 3 Brazi, Girov, Neamt county

Paraschiv, Luminița-Nicoleta; Volf, Mariana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2017)

The elementary composition of plants varies in relation to several factors, but fertilization is a restrictive and limiting factor. The study has in view this aspect and highlights the impact of fertilizer doses, but also ...
Zinc - microelement of reference in apple nutrition

Bolohan, Diana-Elena; Volf, Mariana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)

This paper aims to present the risk of being exposed apple trees to zinc deficiency, within an bifactorial experience with fertilizers. Mobile Zn content in soil, on one hand and total zinc content in plant material ...

Browsing by Author "Volf, Mariana"

Browsing by Author "Volf, Mariana"

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