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Browsing by Author "Samuil, Costel"

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Adsorption of direct green 6 dye onto modified power plant ASH

Harja, Maria; Kotova, Olga; Samuil, Costel; Ciocinta, Ramona-Carla; Ciobanu, Gabriela (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2017)

Power plant ash and modified ash were used as the adsorbent, in this study, for the removal of textiledye direct green 6 (DG6) from aqueous solutions. The adsorbent was prepared by the alkaline attack in aqueous medium ...
ALFAALFA management in North-Eastern Romania

Stavarache, Mihai; Vîntu, Vasile; Samuil, Costel; Muntianu, Iulian-Constantin; Popovici, Constantin-Iulian; Ciobanu, Ciprian (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2013)

In the last years, the alfalfa crop (Medicago sativa L.) area is increasing because of its high productivity and quality. Improving technologies for growing alfalfa helps to raise productivity and quality parameters as ...
Calcium and magnesium content in turfgrass influenced by mixture type and fertilization

Popovici, Constantin-Iulian; Vîntu, Vasile; Samuil, Costel; Stavarache, Mihai; Ciobanu, Ciprian (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2013)

Fertilization of turfgrasses is an important maintenance activity that influences the vigor and health of the grass plants. Different types of fertilizers can be used for different purposes. Nitrogen based fertilizers ...
Cercetări privind influenţa unor verigi tehnologice asupra producţiei şi calităţii seminţelor la Onobrychis viciifolia Scop.

Gavrilă, Cristian-Sorin (2022-07-08)
The current spread of some invasive neophytes along the lower course of the Siret river

Șușnia, Irina; Oprea, Adrian; Samuil, Costel; Huțanu, Mariana; Sîrbu, Culiță (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2020)

In this paper, we present new data on eight species of neophytes of North American origin (i.e., Bidens frondosa, Euphorbia glyptosperma, Fraxinus pennsylvanica, Lepidium densiflorum, Oenothera depressa, O. suaveolens, ...
Desing elements of used materials for development of forced vegetables cultures

Tulbure, Elena-Ancuța; Munteanu, Neculai; Avădănei, Lidia; Constantinescu, Doina; Samuil, Costel (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)

This paper emphasizes the design elements of materials with greenhouse effect used in vegetables systems for forced and protected cultures. For the analysis and interpretation of material – vegetation factors – plant ...
The evaluation of drought resistance of some varieties of cool season perennial grasses used for turf

Popovici, Constantin-Iulian; Vîntu, Vasile; Samuil, Costel; Ciobanu, Ciprian (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2011)

In Romania are sold turfgrass varieties that are imported from foreign countries. Turf seed farms from countries like France, Germany, Netherlands and Great Britain are involved in the breeding process of a large variety ...
Evolution and relationship of some macro minerals in Medicago sativa L. plants

Stavarache, Mihai; Samuil, Costel; Tarcău, Doina; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2016)

Research conducted between 2013-2014, at Ezăreni Farm, Iaşi (47°05' - 47°10' north latitude and 27°28' - 27°33' east longitude) investigated at alfalfa (Medicago sativa L.), in the second, third, fourth and fifth vegetation ...
The influence of fertilization and distance between rows on seed production of sainfoin (Onobrychis viciifolia Scop.), in the first year of vegetation

Gavrilă, Cristian-Sorin; Silistru, Doina; Dumitriu, Simona; Nazare, Adrian-Ilie; Stavarache, Mihai; Vîntu, Vasile; Samuil, Costel (“Ion Ionescu de la Brad” University of Life Sciences, Iaşi, 2021)

The research conducted during the period of March to October 2019, at the Meadows Research and Development Station, Vaslui (46°40'-36°10' north latitude and 27°44'-20°40' east longitude) followed the influence of ...
Influence of fertilization on forage quality of the simple mixtures between Bromus inermis leyss. and Onobrychis viciifolia Scop.

Boureanu Ciobanu, Cătălina; Stavarache, Mihai; Samuil, Costel; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2016)

Temporary meadows are an important source of feed through both productivity and the quality of the forage obtained. Biomass quality obtained from temporary grassland is influenced by component species, their proportion ...
Influence of fertilization on nitrogen dynamics at the species Onobrychis viciifolia Scop

Surmei Balan, Gabriela; Vîntu, Vasile; Samuil, Costel; Stavarache, Mihai (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)

Biological nitrogen fixation is one of the most important biochemical reaction for life on earth. This paper presents the influence of the simple mixtures of perennial grasses and legumes and of the fertilization on dry ...
Influence of harvest phenophase on the productivity, composition and structure of vegetation cover of a Festuca valesiaca schleich. ex. gaudin grassland from Moldova forest steppe

Nazare, Adrian-Ilie; Samuil, Costel; Stavarache, Mihai; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2018)

Permanent grasslands are an important source of fodder, due to the areas that they occupy, but also to high and good quality production that can be obtained from them. By using a rational management, grassland production ...
Influence of organic fertilization on phytodiversity of a Festuca valesiaca schleich. Grassland

Ciobanu, Ciprian; Popovici, Constantin-Iulian; Stavarache, Mihai; Slavnicu, Ciprian-Vasilică; Boureanu Ciobanu, Cătălina; Samuil, Costel; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2013)

The application of organic fertilizers for extended period of time has determined a high biodiversity of the investigated grassland. The objective of this study is to determine the effect of sheep and cattle manure application ...
Influence of plants density on productivity of corn for silage in the conditions of depression Jijia – Bahlui

Scarlat, Marius; Nazare, Adrian-Ilie; Samuil, Costel; Stavarache, Mihai; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2019)

Corn silage is the most efficient way of feeding the animals during the grazing period, with a very high degree of consumability. The success of corn silage cultivation depends largely on the proper choice of hybrid, but ...
The influence of the applied management on the phytodiversity of a Dichanthium ischaemum (L.) Roberty permanent meadow

Nazare, Adrian-Ilie; Sîrbu, Culiță; Samuil, Costel; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Life Sciences, Iaşi, 2023)

Biodiversity conservation is essential in the fight against climate change. Nothing can reduce global warming or the effects of climate change better than healthy ecosystems. And grasslands have a key role in maintaining ...
The influence of the applied management on the phytodiversity of a Festuca valesiaca Schleich. ex Gaudin permanent meadow

Nazare, Adrian-Ilie; Stavarache, Mihai; Samuil, Costel; Sîrbu, Culiță; Vîntu, Vasile (University of Agronomic Sciences and Veterinary Medicine of Bucharest, 2023)

The problem of diversity has reached the top of current concerns, because modern agriculture has recently been focused on the development of methods and procedures that allow the administration of a relatively small number ...
Management based on organic imputs of a Nardus stricta L. and Festuca rubra L. meadow from the Dorna Depression

Vîntu, Vasile; Samuil, Costel; Popovici, Constantin-Iulian; Stavarache, Mihai; Muntianu, Iulian (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2010)

The meadows of Nardus stricta L. and Festuca rubra L. from Dorna Depression are of low productivity and quality and are mostly used for cattle grazing. Improving the trophic regime, through organic fertilization, causes a ...
Management of Nardus stricta L. and Festuca rubra L. grasslands in the Dorna basin

Vîntu, Vasile; Samuil, Costel; Popovici, Constantin-Iulian; Boureanu Ciobanu, Cătălina; Stavarache, Mihai (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2014)

Permanent grasslands of Festuca rubra L. and Nardus stricta L. represent an important source of fodder in Dorna Basin. Although they have low productivity and inferior quality, these grasslands are used by grazing or ...
Mineral versus organic fertilization. Effect on the quality of forages produced on a grassland of Nardus stricta L.

Tarcău, Doina; Cucu Man, Simona-Maria; Stavarache, Mihai; Samuil, Costel; Vîntu, Vasile (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)

The study aimed to assess the quality of forages obtained from a permanent grassland of Dorna Depression (Romania) under the influence of organic versus mineral fertilization. The experiences were monofactorial in three ...
Nitrogen content in plant tissue and visual quality assessment of three turfgrass mixtures influenced by differentiated fertilization

Popovici, Constantin-Iulian; Vîntu, Vasile; Samuil, Costel; Stavarache, Mihai; Ciobanu, Ciprian (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)

Lawns are established with perennial grass species and varieties mixed in different proportions, to create various types of turfgrass mixtures that meet certain requirements of utilisation or can adapt to specific climatic ...

Browsing by Author "Samuil, Costel"

Browsing by Author "Samuil, Costel"

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