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Agrostis capillaris

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Bert Allard – One of the best experts on this subject based on the ideXlab platform.

  • Conditioning sulfidic mine waste for growth of Agrostis capillaris—impact on solution chemistry
    Environmental Science and Pollution Research, 2014
    Co-Authors: Viktor Sjöberg, Stefan Karlsson, Anna Grandin, Bert Allard
    Abstract:

    Contamination of the environment due to mining and mineral processing is an urgent problem worldwide. It is often desirable to establish a grass cover on old mine waste since it significantly decreases the production of leachates. To obtain sustainable growth, it is often necessary to improve several properties of the waste such as water-holding capacity, nutrient status, and toxicity. This can be done by addition of organic materials such as wood residues, e.g., compost. In this study, we focus on the solution chemistry of the leachates when a substrate containing historic sulfidic mine waste mixed with 30 % (volume) bark compost is overgrown by Agrostis capillaris . The pot experiments also included other growth-promoting additives (alkaline material, mycorrhiza, and metabolizable carbon) to examine whether a more sustainable growth could be obtained. Significant changes in the plant growth and in the leachates composition were observed during 8 weeks of growth. It was concluded that in this time span, the growth of A. capillaris did not affect the composition of the leachates from the pots. Instead, the composition of the leachates was determined by interactions between the bark compost and the mine waste. Best growth of A. capillaris was obtained when alkaline material and mycorrhiza or metabolizable carbon was added to the substrate.

  • conditioning sulfidic mine waste for growth of Agrostis capillaris impact on solution chemistry
    Environmental Science and Pollution Research, 2014
    Co-Authors: Viktor Sjöberg, Stefan Karlsson, Anna Grandin, Bert Allard
    Abstract:

    Contamination of the environment due to mining and mineral processing is an urgent problem worldwide. It is often desirable to establish a grass cover on old mine waste since it significantly decreases the production of leachates. To obtain sustainable growth, it is often necessary to improve several properties of the waste such as water-holding capacity, nutrient status, and toxicity. This can be done by addition of organic materials such as wood residues, e.g., compost. In this study, we focus on the solution chemistry of the leachates when a substrate containing historic sulfidic mine waste mixed with 30 % (volume) bark compost is overgrown by Agrostis capillaris. The pot experiments also included other growth-promoting additives (alkaline material, mycorrhiza, and metabolizable carbon) to examine whether a more sustainable growth could be obtained. Significant changes in the plant growth and in the leachates composition were observed during 8 weeks of growth. It was concluded that in this time span, the growth of A. capillaris did not affect the composition of the leachates from the pots. Instead, the composition of the leachates was determined by interactions between the bark compost and the mine waste. Best growth of A. capillaris was obtained when alkaline material and mycorrhiza or metabolizable carbon was added to the substrate.

  • Substrate conditioning for growth of Agrostis capillaris on historical sulphidic mine waste : Impact on ARD composition
    , 2013
    Co-Authors: Stefan Karlsson, Viktor Sjöberg, Anna Grandin, Bert Allard
    Abstract:

    Substrate conditioning for growth of Agrostis capillaris on historical sulphidic mine waste : Impact on ARD composition

A. Bogdan – One of the best experts on this subject based on the ideXlab platform.

  • THE FLORISTIC AND STATIONAL CHARACTERISATION OF THE GRASSLAND SUBTYPE Agrostis capillaris + TRISETUM FLAVESCENS FROM APUSENI MOUNTAINS, ROMANIA
    Research Journal of Agricultural Science, 2010
    Co-Authors: Nicoleta Gârda, Florin Păcurar, Ioan Rotar, A. Bogdan
    Abstract:

    The floristic composition of the semi – natural grasslands from Apuseni Mountains area differ from one station to another, depending on some factors like: the natural ones, the performed management, by the area’s social-economic situations. The objective of this paper is to characterise the grassland subtype Agrostis capillarisTrisetum flavescens which is present in the grasslands from the Gheţari – Poiana Călineasa Plateau in Gârda de Sus commune, Apuseni Mountains. The identification and description of the respective subtype was elaborated after the analysis of 37 floristic relevees performed using the Braun – Blanquet modified method and, then, by applying some statistic indexes. In our study area, this grassland subtype occures at an altitude comprised between 1070 and 1337 m, the most frequent altitude being 1099 m. The floristic composition of this subtype differs rather much depending on the stational conditions. Thus, the species from Poaceae family are present in average by 48,4 %, with a minimum of 23,5 %

  • the floristic and stational characterisation of the grassland subtype Agrostis capillaris trisetum flavescens from apuseni mountains romania
    Research Journal of Agricultural Science, 2010
    Co-Authors: Nicoleta Gârda, Florin Păcurar, Ioan Rotar, A. Bogdan
    Abstract:

    The floristic composition of the semi – natural grasslands from Apuseni Mountains area differ from one station to another, depending on some factors like: the natural ones, the performed management, by the area’s social-economic situations. The objective of this paper is to characterise the grassland subtype Agrostis capillarisTrisetum flavescens which is present in the grasslands from the Gheţari – Poiana Călineasa Plateau in Gârda de Sus commune, Apuseni Mountains. The identification and description of the respective subtype was elaborated after the analysis of 37 floristic relevees performed using the Braun – Blanquet modified method and, then, by applying some statistic indexes. In our study area, this grassland subtype occures at an altitude comprised between 1070 and 1337 m, the most frequent altitude being 1099 m. The floristic composition of this subtype differs rather much depending on the stational conditions. Thus, the species from Poaceae family are present in average by 48,4 %, with a minimum of 23,5 %

  • The low-input effect upon oligotrophic grasslands in Apuseni Mountains.
    , 2010
    Co-Authors: Florin Păcurar, Ioan Rotar, Nicoleta Gârda, A. Bogdan
    Abstract:

    Grassland’s management by low-input might be a viable method for maintaining the high conservative value grassland. Our goal is to study the effect of organic fertilization and mulching upon the phyto-diversity and productivity of oligotrophic grasslands in Gârda de Sus commune, Apuseni Mountains. An experimental field with 7 variants in 5 repetitions was founded using the random blocks method, at an altitude of 1320 m, on an Agrostis capillaris with Festuca rubra grassland type. After organic fertilizers and mulching’s application, there haven’t been noticed any significant growths of the DM yield in any of the two experimental years. At the sward’s level minimum changes have been recorded. The grassland type of the witness variant is Agrostis capillaris with Festuca rubra, and through treatment’s performance, Festuca rubra with Agrostis capillaris type is being installed. Also, the phyto-diversity slightly changes.

Viktor Sjöberg – One of the best experts on this subject based on the ideXlab platform.

  • Conditioning sulfidic mine waste for growth of Agrostis capillaris—impact on solution chemistry
    Environmental Science and Pollution Research, 2014
    Co-Authors: Viktor Sjöberg, Stefan Karlsson, Anna Grandin, Bert Allard
    Abstract:

    Contamination of the environment due to mining and mineral processing is an urgent problem worldwide. It is often desirable to establish a grass cover on old mine waste since it significantly decreases the production of leachates. To obtain sustainable growth, it is often necessary to improve several properties of the waste such as water-holding capacity, nutrient status, and toxicity. This can be done by addition of organic materials such as wood residues, e.g., compost. In this study, we focus on the solution chemistry of the leachates when a substrate containing historic sulfidic mine waste mixed with 30 % (volume) bark compost is overgrown by Agrostis capillaris . The pot experiments also included other growth-promoting additives (alkaline material, mycorrhiza, and metabolizable carbon) to examine whether a more sustainable growth could be obtained. Significant changes in the plant growth and in the leachates composition were observed during 8 weeks of growth. It was concluded that in this time span, the growth of A. capillaris did not affect the composition of the leachates from the pots. Instead, the composition of the leachates was determined by interactions between the bark compost and the mine waste. Best growth of A. capillaris was obtained when alkaline material and mycorrhiza or metabolizable carbon was added to the substrate.

  • conditioning sulfidic mine waste for growth of Agrostis capillaris impact on solution chemistry
    Environmental Science and Pollution Research, 2014
    Co-Authors: Viktor Sjöberg, Stefan Karlsson, Anna Grandin, Bert Allard
    Abstract:

    Contamination of the environment due to mining and mineral processing is an urgent problem worldwide. It is often desirable to establish a grass cover on old mine waste since it significantly decreases the production of leachates. To obtain sustainable growth, it is often necessary to improve several properties of the waste such as water-holding capacity, nutrient status, and toxicity. This can be done by addition of organic materials such as wood residues, e.g., compost. In this study, we focus on the solution chemistry of the leachates when a substrate containing historic sulfidic mine waste mixed with 30 % (volume) bark compost is overgrown by Agrostis capillaris. The pot experiments also included other growth-promoting additives (alkaline material, mycorrhiza, and metabolizable carbon) to examine whether a more sustainable growth could be obtained. Significant changes in the plant growth and in the leachates composition were observed during 8 weeks of growth. It was concluded that in this time span, the growth of A. capillaris did not affect the composition of the leachates from the pots. Instead, the composition of the leachates was determined by interactions between the bark compost and the mine waste. Best growth of A. capillaris was obtained when alkaline material and mycorrhiza or metabolizable carbon was added to the substrate.

  • Substrate conditioning for growth of Agrostis capillaris on historical sulphidic mine waste : Impact on ARD composition
    , 2013
    Co-Authors: Stefan Karlsson, Viktor Sjöberg, Anna Grandin, Bert Allard
    Abstract:

    Substrate conditioning for growth of Agrostis capillaris on historical sulphidic mine waste : Impact on ARD composition

Nicoleta Gârda – One of the best experts on this subject based on the ideXlab platform.

  • Description of the Agrostis capillaris L. – Festuca Rubra L. Grassland Type
    Bulletin of the University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 2010
    Co-Authors: Florin Păcurar, Ioan Rotar, Nicoleta Gârda, Anca Bogdan
    Abstract:

    The Agrostis capillarisFestuca rubra’s phytocenosis has a floristic diversity between 20 – 52 species and it is characterised as mesophilous, moderate acidophilous, moderate nitrophilous and medium resistant for mowing, treading and grazing.

  • THE FLORISTIC AND STATIONAL CHARACTERISATION OF THE GRASSLAND SUBTYPE Agrostis capillaris + TRISETUM FLAVESCENS FROM APUSENI MOUNTAINS, ROMANIA
    Research Journal of Agricultural Science, 2010
    Co-Authors: Nicoleta Gârda, Florin Păcurar, Ioan Rotar, A. Bogdan
    Abstract:

    The floristic composition of the semi – natural grasslands from Apuseni Mountains area differ from one station to another, depending on some factors like: the natural ones, the performed management, by the area’s social-economic situations. The objective of this paper is to characterise the grassland subtype Agrostis capillaris – Trisetum flavescens which is present in the grasslands from the Gheţari – Poiana Călineasa Plateau in Gârda de Sus commune, Apuseni Mountains. The identification and description of the respective subtype was elaborated after the analysis of 37 floristic relevees performed using the Braun – Blanquet modified method and, then, by applying some statistic indexes. In our study area, this grassland subtype occures at an altitude comprised between 1070 and 1337 m, the most frequent altitude being 1099 m. The floristic composition of this subtype differs rather much depending on the stational conditions. Thus, the species from Poaceae family are present in average by 48,4 %, with a minimum of 23,5 %

  • the floristic and stational characterisation of the grassland subtype Agrostis capillaris trisetum flavescens from apuseni mountains romania
    Research Journal of Agricultural Science, 2010
    Co-Authors: Nicoleta Gârda, Florin Păcurar, Ioan Rotar, A. Bogdan
    Abstract:

    The floristic composition of the semi – natural grasslands from Apuseni Mountains area differ from one station to another, depending on some factors like: the natural ones, the performed management, by the area’s social-economic situations. The objective of this paper is to characterise the grassland subtype Agrostis capillaris – Trisetum flavescens which is present in the grasslands from the Gheţari – Poiana Călineasa Plateau in Gârda de Sus commune, Apuseni Mountains. The identification and description of the respective subtype was elaborated after the analysis of 37 floristic relevees performed using the Braun – Blanquet modified method and, then, by applying some statistic indexes. In our study area, this grassland subtype occures at an altitude comprised between 1070 and 1337 m, the most frequent altitude being 1099 m. The floristic composition of this subtype differs rather much depending on the stational conditions. Thus, the species from Poaceae family are present in average by 48,4 %, with a minimum of 23,5 %

Ioan Rotar – One of the best experts on this subject based on the ideXlab platform.

  • Ecologic and agronomic aspects of Agrostis capillaris L. – Trisetum flavescens (L.) P. Beauv. grassland subtype.
    Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture, 2014
    Co-Authors: Ioan Rotar, Florin Păcurar, Roxana Vidican, Anca Pleşa, Miklós Nagy
    Abstract:

    Grasslands in Apuseni Mountains are used in a traditional system and several types and subtypes of grasslands were described. Because of the current grassland management and the site conditions appeared certain grassland subtypes which need to be deepen characterized and their biodiversity and agronomic value needs to be maintain. The aim of the study was to characterize Agrostis capillaris L. – Trisetum flavescens (L.) P. Beauv. grassland subtype from both, ecological and agronomic point of view. The research was unfolded within GA¢rda de Sus commune, on GheA£ari – Poiana CAƒlineasa Plateau. For the floristic composition’s study we used the Braun-BlanquA©t method. The phytocenosis Agrostis capillaris L. – Trisetum flavescens (L.) P. Beauv. has been identified in 37 sites. The sites were charactherized from ecologic and agronomic point of view. This grassland subtype can be characterized as heliophytes, microtherm, mesophytes, moderate acidophilous, medium nitrophilous, medium resistant to mowing, medium resistant to stepping and medium resistant to grazing and endures an animal load of 0,81 – 1,00 LSU/ha.

  • the influence of mineral and organic long term fertilization upon the floristic composition of festuca rubra l Agrostis capillaris l grassland in apuseni mountains romania
    Journal of Food Agriculture & Environment, 2012
    Co-Authors: Florin Păcurar, Anca Bogdan, Ioan Rotar, Roxana Vidican, Laura Dale
    Abstract:

    The semi-natural grasslands in Apuseni Mountains are particularly important for the sustainable development of this region. The future development strategies must take into consideration the conservation of grassland plant diversity. In Apuseni Mountains there are numerous caves and a traditional landscape, these forming the area’s wealth. Their joining with agro-tourism and performing a sustainable agriculture would significantly level up the wellbeing of the local population, who are in need of new income sources considering that the wood resources are more and more reduced. In Gârda de Sus there are considerable areas of semi-natural grasslands which lately have been traditionally used. Nowadays, some of them have been abandoned and others irrationally intensified. Therefore, the objective of this paper was to evaluate the effects of mineral and organic fertilization upon the sward in order to recommend certain versions which have minor repercussions upon the plant diversity. The research was carried out in Apuseni Mountains, in an experimental field with two experiences: one with mineral fertfertilizers (T 1 control, T 2 50N25P25K, T 3 100N50P50K, T 4 150N75P75K) and the other with organic fertilizers (T 1 control, T 2 10 t ha -1 manure, T 3 20 t ha -1 manure, T 4 30 t ha -1 manure). Administrating mineral fertfertilizers on the Festuca rubra L.- Agrostis capillaris L. grassland induced the installation of Festuca rubra L. and Trisetum flavescens L. at 50N25P25K treatment, whereas 100N50P50K and 150N75P75K treatments induced the installation of Agrostis capillaris L. and Trisetum flavescens L. grassland subtype. The plant diversity decreased as the system was intensified, especially at the treatment with 100N50P50K and 150N75P75K. Administrating 50N25P25K did not induce any significant changes in plant diversity. Giving organic fertilizers caused installation of Festuca rubra L. and Trisetum flavescens L. at the treatment using 10 t ha -1 manure and Trisetum flavescens L. at using 20 and 30 t ha -1 manure. The treatment with 10 t ha -1 manure induced a growth of the plant diversity and by raising the manure quantity did not cause important changes with respect to the species’ number. For future management actions that are meant to maintain the plant diversity in Apuseni Mountains, the organic fertilization with 10 t ha -1 manure quantities annually administrated or once in two years is recommended first of all, and, secondly, the fertilization with 50N25P25K performed annually or once in two years.

  • Description of the Agrostis capillaris L. – Festuca Rubra L. Grassland Type
    Bulletin of the University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 2010
    Co-Authors: Florin Păcurar, Ioan Rotar, Nicoleta Gârda, Anca Bogdan
    Abstract:

    The Agrostis capillaris-Festuca rubra’s phytocenosis has a floristic diversity between 20 – 52 species and it is characterised as mesophilous, moderate acidophilous, moderate nitrophilous and medium resistant for mowing, treading and grazing.