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Tytuł:
Chromosome data - a useful tool in taxonomy of Symphyotrichum ciliatum
Autorzy:
Tucharz, M.
Nobis, A.
Nobis, M.
Powiązania:
https://bibliotekanauki.pl/articles/19493.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chromosome number
tool
taxonomy
Symphyotrichum ciliatum
distribution
Polska
Compositae
Opis:
We used chromosome data to verify the taxonomic affiliation of specimens previously recognized as Brachyactis ciliata. All analyzed plants were diploids based on x = 7 (2n = 2x = 14), the basic number characteristic for Symphyotrichum ciliatum, allowing the examined species to be shifted from the genus Brachyactis to the genus Symphyotrichum sect. Conyzopsis. The chromosome number (2n = 2x = 14) for specimens of S. ciliatum from Poland is reported for the first time.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The hybrid origin of Calamagrostis x gracilescens [Poaceae] in Poland inferred from morphology and AFLP data
Autorzy:
Paszko, B
Nobis, M.
Powiązania:
https://bibliotekanauki.pl/articles/57958.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
hybrid
Calamagrostis x gracilescens
Calamagrostis stricta
Calamagrostis canescens
Poaceae
Polska
morphology
AFLP method
habitat condition
gene flow
Opis:
The morphology of Calamagrostis canescens and C. stricta recorded in the Małopolska Upland (the vicinity of Zbijów Mały, ca. 10 km northeast of the town of Skarżysko-Kamienna, Central Poland) was examined due to intermediate individuals found in sympatric populations of these species. Both putative parents as well as individuals that appeared hybrid-like were found in an extensive, wet hay-meadow. Various vegetative and reproductive characteristics were studied to identify hybrids. Interestingly, Polish accessions of C. ×gracilescens exhibited some degree of morphological intermediacy but resembled C. stricta in spikelet morphology. Branching of the mid-culm, the number of nodes per culm, callus hair length and relative callus hair length are the best characters to distinguish the Polish C. ×gracilescens. AFLP analysis proved to be suitable for detecting recent hybridization events between C. canescens and C. stricta. Analysis of the Bayesian clustering analysis showed that C. ×gracilescens were subjected to gene flow from the C. canescens gene pool as well as from the C. stricta gene pool.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 1; 51-61
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution, ecology and conservation status of Dionysia involucrata Zaprjag., an endangered endemic of Hissar Mts (Tajikistan, Middle Asia)
Autorzy:
Nowak, A.S.
Nobis, M.
Nowak, S.
Nobis, A.
Powiązania:
https://bibliotekanauki.pl/articles/57230.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
plant distribution
plant ecology
conservation status
Dionysia involucrata
endangered species
endemic species
vegetation
chasmophyte
petrophyte
phytosociology
syntaxonomy
Hissar Mountains
Tajikistan
Asia
Opis:
Dionysia involucrata Zaprjag. (Primulaceae) is known as critically endangered endemic species of Hissar Mountains in Tajikistan. It is reported from few localities mainly in Varzob River valley and its tributaries. The species inhabits steep or overhanging faces of granite rocks in narrow river gorges. During the research all known populations of D. involucrata were examined in respect of the habitat conditions and species composition of vegetation plots. We analyzed the population extent of the species in its range in Tajikistan and the main threats in order to assess its conservation status. The detrended correspondence analysis was performed on a matrix of 65 relevés and 49 species (vascular plants and mosses), to classify the phytocoenosis with domination of D. involucrata according to their floristic composition in relation to other petrophytic vegetation units. Using our field data regarding present extent of occurrence and area of occupancy we conclude that the threat category of D. involucrata should be reassessed from critically endangered to endangered. The species shows decline tendency in extent of occurrence, area of occupancy as well as in number of locations. The vegetation plots with domination of D. involucrata have relatively high level of separateness due to different species composition. We define the new association – Dionysietum involucratae – representing chasmophytic vegetation of submontane and montane zone in Middle Asia (ca. 1000–1600 m a.s.l.). The plots of Dionysietum involucratae were found mainly on granite rocks, on very steep or overhanging faces, on southwestern or southern exposition. The association is rather poor in species with inconsiderable contribution of mosses. Despite the diagnostic species, Campanula incanescens, Carex koshewnikowii and Scutellaria hissarica were the most abundant and frequent taxa within the researched patches of vegetation.
Źródło:
Acta Societatis Botanicorum Poloniae; 2014, 83, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution, floristic structure and habitat requirements of the riparian forest community Populetum talassicae ass. nova in the Central Pamir-Alai Mts (Tajikistan, Middle Asia)
Autorzy:
Nowak, A.S.
Nobis, M.
Powiązania:
https://bibliotekanauki.pl/articles/58787.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Botaniczne
Źródło:
Acta Societatis Botanicorum Poloniae; 2013, 82, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution patterns, floristic structure and habitat requirements of the alpine river plant community Stuckenietum amblyphyllae ass. nova (Potametea) in the Pamir Alai Mountains (Tajikistan)
Autorzy:
Nowak, A.S.
Nobis, M.
Powiązania:
https://bibliotekanauki.pl/articles/57885.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
distribution pattern
flora structure
habitat requirement
Alpine river
river
plant community
Stuckenietum amblyphyllae association
Potametea
Pamir Alai Mountains
Tajikistan
aquatic vegetation
plant association
new plant association
Opis:
This paper discusses the floristic structure, distribution and habitat requirements of a new aquatic syntaxon, Stuckenietum amblyphyllae ass. nova. Patches of the Stuckenietum amblyphyllae association occur in the Pamir Alai Mountains in Middle Asia (Tajikistan). The biotope of this community represent high mountain rivers and ponds at the bottom of glacial river valleys situated at elevations between 1900 and 3800 m. Patches of the Stuckenietum amblyphyllae association are characterised by a clear predominance of the typical species, i.e. Stuckenia amblyphylla, which occupies an aerial extent of between near 40 up to 90% of the surface studied. Patches of the community are poor in species, comprising a maximum of five taxa. Among associated species mainly rush, aquatic, meadow and marsh taxa have been noted. The Stuckenietum amblyphyllae community prefers cold, open, alkaline waters with medium flow-rate, ranging in depth from 15 to 75 cm. It is also, but rarely, found in the mountain ponds. Together with the Stuckenia filiformis community it designates in the Pamir Alai Mountains the upper limit of aquatic vegetation.
Źródło:
Acta Societatis Botanicorum Poloniae; 2012, 81, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phytosociological survey of juniper wood vegetation in Tajikistan (Middle Asia)
Autorzy:
Nowak, A.
Nobis, M.
Nowak, S.
Kotowski, M.
Swierszcz, S.
Powiązania:
https://bibliotekanauki.pl/articles/2130219.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Juniperetalia seravschanicae
Pamir-Alai Mts.
Pino-Juniperetea
syntaxonomy
vegetation classification
Opis:
The paper presents the first syntaxonomic classification for juniper wood communities in Tajikistan with some remarks on their environmental gradients. A total of 119 relevés were sampled between 2015 and 2021 using the seven-degree Braun-Blanquet cover-abundance scale. They were classified by a modified TWINSPAN method. Diagnostic species were identified using phi coefficient as a fidelity measure. Detrended Correspondence Analysis (DCA) was used to determine relationships between samples, vegetation units and major gradients in species composition. Plant communities have been divided into two main groups. The first one is a west Irano-Turanian wood of Juniperus polycarpos var. seravschanica of the Pamir-Alai mountane belt. It occurs in two variants depending mainly on the aspect and precipitation. The second juniper wood type in Tajikistan is a stand of Juniperus pseudosabina. It prefers the northern slopes and north-eastern ranges of the Pamir-Alai and slightly lower elevations. Both juniper wood types are highly distinct in terms of species composition, especially in the moss layer, and have therefore been assigned to different classes: Pino-Juniperetea (Juniperetum seravschanicae) and Juniperetea pseudosabinae (Carici turkestanicae-Juniperetum pseudosabinae). The main factors determining the species composition of the studied associations are latitude, growing season precipitation, annual range of air temperature and precipitation of coldest quarter. Our study has shown that there are two very distinct vegetation types of the juniper wood groves in Tajikistan, which reflect the main phytogeographical division between the provinces of Turkestan and Central Asia.
Źródło:
Dendrobiology; 2022, 88; 16-36
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Revision of Nymphaea candida range - new data on the distribution and habitat preferences of the species in southern Poland
Autorzy:
Nowak, A.
Nobis, M.
Dajdok, Z.
Zalewska-Galosz, J.
Nowak, S.
Nobis, A.
Czerniawska-Kusza, I.
Kozak, M.
Stebel, A.
Bula, R.
Sugier, P.
Szlachetka, A.
Bena, W.
Trojecka, A.
Piwowarczyk, R.
Adamiec, A.
Krawczyk, R.
Powiązania:
https://bibliotekanauki.pl/articles/58771.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
revision
Nymphaea candida
species distribution
habitat preference
Polska
pond
aquatic vegetation
species range
location
species list
locality list
morphological characteristics
Opis:
The paper presents results of geobotanical and taxonomic studies on the distribution and habitat requirements of Nymphaea candida in southern Poland. The researches were conducted in southern Poland in 2003-2009, in the provinces of Lower Silesia, Lublin, Małopolska, Opole, Silesian province as well as, in southern parts of Mazowieckie and Lubuskie. Flowers, leaves and fruits of Nymphaea species were collected from 27 locations. Altogether pollens from 73 populations of N. candida and 18 of N. alba from all the researched area were measured. The trophic level of an ecosystem was evaluated according to the results of the total nitrogen, total phosphorus, chlorophyll a, transparency and biological parameters. As the result of the studies of more than 200 water bodies, 57 localities of N. candida were documented within the investigation area. The populations of N. candida occupy mid-forest water bodies and river ox-bow lakes. A significant number of populations was also found in artificial reservoirs - fish ponds. The most suitable habitat conditions for N. candida occur in shallow waters in the shore zone with the amplitude of the water column vary from 0.5 to 2 m. Regarding the trophy level, N. candida occupies different habitats, mainly mesotrophic and also eutrophic with high content of organic matters. Considering the 15 checked morphological parameters, especially the stigma diameter, the number of carpellary teeth, flower and pollen diameters, the found and collected specimens of N. candida significantly differ from N. alba. The study confirms that N. candida ocurrs in whole lowland Poland without any regional distribution gaps. According to the IUCN guidelines to species assessment the data gathered during the presented study do not allow to classify N. candida as a vulnerable species in Poland. Still existing populations for more than 150 years, numerous stable locations, abundant populations, a habitat accessibility, a biotope extent, an ecological amplitude against the trophy level and direct human impacts suggest, that the species should be regarded as a least concern (LC) taxon.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 4
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Syntaxonomy and ecology of thermophilous deciduous open woodlands and scrub vegetation in Tajikistan (Middle Asia)
Autorzy:
Nowak, A.
Nobis, M.
Nowak, S.
Kotowski, M.
Klichowska, E.
Nobis, A.
Swierszcz, S.
Powiązania:
https://bibliotekanauki.pl/articles/2130187.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Junipero-Pistacietea
Middle Asia
groves
wild orchards
Pistacion khinjuki-verae
Irano-Turanian
Region
Opis:
In this paper we present the first syntaxonomic classification for the thermophilous open wood and scrub vegetation in Tajikistan with some remarks on its environmental gradients. Altogether 143 relevés were sampled between 2014–2021 using the seven-degree cover-abundance scale of Braun-Blanquet. They were classified by the modified TWINSPAN method with the use of the four step interval scale with cutoff levels of 0%, 2%, 5% and 10% and total inertia as a measure of cluster heterogeneity. Diagnostic species were identified using the phi coefficient as a fidelity measure. Detrended Correspondence Analysis was used to determine the relation between samples, vegetation units and the major gradients in species composition. Plant communities have been divided into three main groups: (1) dry scrub on screes, (2) mesophilous scrubs in nemoral zone, and (3) open woods. A new class of Pistacietea khinjuki-verae has been proposed for open woods. Further classification of vegetation data resulted in the distinction of four plant communities within two provisional alliances: Roseion kokanicae and Ranunculo tenuilobi-Cotoneasterion hissaricae (communities of Rosa kokanica and R. ecae, associations of Aveno ludovicianae-Rhuidetum coriariae and Calophacetum grandiflorae). Additionally, we established the Pistacion verae alliance for the pistachio groves of Middle Asia with two subassociations: Pistacietum verae typicum and Pistacietum verae cercidetosum griffithii. The main factors determining the species composition of the studied communities are: elevation, temperature, precipitation, slope and aspect. Our research showed that the Pistacia groves are a distinct vegetation typical of the Irano-Turanian area and that further surveys are needed to present a final classification of scrub vegetation of Tajikistan.
Źródło:
Dendrobiology; 2022, 87; 47-68
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Na dachu świata - o przyrodzie i badaniach naukowych w górach środkowej Azji (Pamiro-Ałaj, Tadżykistan)
Autorzy:
Nobis, M.
Powiązania:
https://bibliotekanauki.pl/articles/853860.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Tematy:
Uniwersytet Jagiellonski
Instytut Botaniki
badania naukowe
badania botaniczne
pracownicy
wyprawy naukowo-badawcze
Azja Srodkowa
Tadzykistan
gory
Pamiro-Alaj
roslinnosc
roznorodnosc gatunkowa
endemity
zbiorowiska roslinne
Źródło:
Wszechświat; 2013, 114, 07
0043-9592
Pojawia się w:
Wszechświat
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Potamogeton pusillus agg. in Tajikistan (Middle Asia)
Autorzy:
Nobis, M.
Nowak, A.
Zalewska-Galosz, J.
Powiązania:
https://bibliotekanauki.pl/articles/59299.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Potamogeton pusillus
Potamogeton berchtoldii
new species
flora
Tajikistan
Middle Asia
Asia
Opis:
The locality of Potamogeton berchtoldii Fieber, the new species to the flora of Tajikistan (Middle Asia), together with its ecological conditions are presented. Additionally, the list of herbarium specimens of P. pusillus L. s. stricto gathered in Tajikistan and few specimens of P. berchtoldii collected from the area of adjacent countries are also provided. Taxonomical position of the species within the Potamogeton pusillus aggregation, the main morphological features of both taxa and possibility of finding other localities are discussed.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Taxonomy and distribution of Macrosciadium alatum [Bieb.] V. Tichomirov and Lavrova [Apiaceae]: a new alien species in the flora of Europe
Autorzy:
Nobis, M
Nobis, A.
Kozak, M.
Powiązania:
https://bibliotekanauki.pl/articles/58629.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
taxonomy
kenophyte
alien species
new alien species
Carpathians Mountains
Apiaceae
Macrosciadium alatum
Europe
distribution
flora
Opis:
The paper presents the taxonomical position and the description of the characteristic features of Macrosciadium alatum (=Ligusticum alatum). The species was recorded in the Western Bieszczady Mts (the northern part of the Carpathians) in July 2007 and is new to the flora of Europe. Its natural range comprises mainly the Caucasus region and the origin of M. alatum in south-east Poland is quite puzzling. The species has most likely been deliberatelly brought into the area. M. alatum spreads quite intensively. It penetrates semi-natural vegetation systems and seems to be expansive.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 2; 131-136
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Typhetum laxmannii [Ubrizsy 1961] Nedelcu 1968 - the new plant association in Poland
Autorzy:
Nobis, M
Nobis, A.
Nowak, A.
Powiązania:
https://bibliotekanauki.pl/articles/56849.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Typhetum laxmannii
plant association
anthropogenic habitat
rush
plant community
numerical analysis
kenophyte
plant distribution
Polska
Opis:
Typhetum laxmannii (Ubrizsy 1961) Nedelcu 1968 is a plant association new to Poland, built by an expansive kenophyte - Typha laxmannii Lepech. This paper presents the general distribution of both, the species and the association, paying particular attention to the area of Europe and Poland where, in recent years, many new locations as well as an increasing participation in vegetation cover have been observed. The habitat preferences of Typhetum laxmannii, the floristic composition of the association and its geographical differentiation within the occupied area are described. The current distribution of the association in Poland is presented on the cartogram map 10x10 km and possible expansion routes are suggested.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 4; 325-332
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lathyrus aphaca L.: the distribution, habitats and remarks on the status of the species in Poland
Autorzy:
Nobis, A.
Nobis, M.
Urbisz, A.
Powiązania:
https://bibliotekanauki.pl/articles/56975.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Lathyrus aphaca
distribution
habitat
species status
Polska
weed
Caucalidion alliance
epoecophyte
ephemerophyte
Opis:
Lathyrus aphaca, which is in Poland considered to be an ephemerophyte recorded mainly in the north-west and the south-west, has lately been observed in arable fields in the south of the country. Recent and historical data on the distribution of the taxon in Poland are presented. Original relevés conducted in arable fields in Poland are analysed and compared to those from the Czech Republic, Germany and Slovenia. The current status of L. aphaca in the Polish flora is discussed.
Źródło:
Acta Societatis Botanicorum Poloniae; 2011, 80, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is Viola uliginosa critically endangered in Poland? - new data on the distribution of the species
Autorzy:
Krawczyk, R
Nobis, A.
Nobis, M.
Cwener, A.
Powiązania:
https://bibliotekanauki.pl/articles/59152.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Viola uliginosa
endangered plant
Polska
new data
species distribution
population size
threatened species
Sandomierz Basin
Opis:
Viola uliginosa Besser is a European species mainly known from the Baltic Region. It is endangered in a significant part of its range. Research carried out in the southeastern part of Poland led to the discovery of numerous sites of Viola uliginosa. Fourteen new localities of this species were found in the area of the Kotlina Sandomierska basin. This paper presents information concerning the localization of all new sites, the abundance of Viola uliginosa at the sites and habitats this species occupies. A discussion regarding the endangered status of this species in the Polish flora is given.
Źródło:
Acta Societatis Botanicorum Poloniae; 2008, 77, 4; 345-349
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Substrat Biona®-312 i popiół lotny jako materiały wspomagające rozwój roślin energetycznych na kwaśnych glebach
Biona®-312 substrate and fly ash as means for enhancement of energy crop growth on acidic soils
Autorzy:
Chomczyńska, M.
Nobis, A.
Powiązania:
https://bibliotekanauki.pl/articles/126932.pdf
Data publikacji:
2018
Wydawca:
Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:
substrat jonitowy Biona®-312
popiół lotny
kwaśne gleby
Biona®-312 substrate
fly ash
acidic soils
Opis:
Zakwaszenie gleb w Polsce nadal pozostaje istotnym problemem powodującym ograniczenie rozwoju roślin podczas konwencjonalnych upraw rolniczych czy upraw energetycznych. W związku z tym celem prezentowanych badań było określenie wpływu wzrastającej dawki popiołu lotnego (środek odkwaszający), w obecności substratu jonitowego Biona®-312 (nośnik makro- i mikroelementów), na przebieg wegetacji roślin na wybranej kwaśnej glebie (pHKCl = 3,84). Dla osiągnięcia celu badań przeprowadzono doświadczenie wazonowe z kupkówką pospolitą (Dactylis glomerata L.) jako gatunkiem testowym. Na potrzeby doświadczenia przygotowano 7 serii podłoży, tj.: samą glebę, glebę z 2 % (v/v) dodatkiem Biony-312, glebę z 2 % (v/v) dodatkiem popiołu, glebę z 5 % (v/v) dodatkiem popiołu, glebę z 2 % (v/v) dodatkiem Biony-312 i 2 % (v/v) dodatkiem popiołu, glebę z 2 % (v/v) dodatkiem Biony-312 i 5 % (v/v) dodatkiem popiołu oraz glebę z 2 % (v/v) dodatkiem Biony-312 i 10 % (v/v) dodatkiem popiołu. Doświadczenie prowadzono w fitotronie przy fotoperiodzie 13/11 godzin (dzień/noc). Uzyskane wyniki badań pozwoliły stwierdzić, że oddzielne dodatki substratu Biona®-312 i popiołu lotnego na poziomie 2 % do kwaśnej gleby nie spowodowały statystycznie istotnego zwiększenia wielkości biomasy kupkówki pospolitej. Wspólne dodatki substratu Biona®-312 i popiołu lotnego w przedziale 2-10 % do kwaśnej gleby korzystnie wpłynęły na wzrost i rozwój gatunku testowego, zwiększając wielkości parametrów wegetacyjnych o 136-454 %. Polepszenie warunków wegetacji roślin przy zastosowaniu wspólnego 2 % dodatku substratu Biona®-312 i dodatków popiołu (zwłaszcza w ilości 2 % i 5 %) wynikało z podwyższenia pH podłoży (5,57-6,96) w porównaniu do pH samej gleby (3,84). Z uwagi na korzystne działanie zastosowanych dawek popiołu lotnego stwierdzono, że dodatek popiołu do poziomu 10 % można rozważać jako środek do odkwaszania gleb użytkowanych rolniczo lub gruntów zdegradowanych, o ile przestaną obowiązywać aktualne, prawne obostrzenia co do stosowania różnych rodzajów popiołów przy jednoczesnym zapewnieniu, że nie będą przekroczone w glebach limity zawartości substancji toksycznych, takich jak np. metale ciężkie.
Soil acidification in Poland is still a significant problem limiting the plant growth during conventional agricultural and energy crop cultivations. Thus, the study aimed at determining the influence of increasing the dose of fly ash (deacidification agent), in the presence of Biona®-312 ion exchange substrate (nutrient carrier) on plant growth on the chosen acidic soil (pHKCl = 3.84). In order to achieve the study aim, the pot experiment with orchard grass (Dactylis glomerata L.) as the test species was carried out. Seven series of media were prepared for experiment purposes i.e.: soil alone, soil + 2 % addition of Biona®-312, soil + 2 % addition of ash, soil + 5 % addition of ash, soil + 2 % addition of Biona®-312 + 2 % addition of ash, soil + 2 % addition of Biona®-312 + 5 % addition of ash and soil + 2 % addition of Biona®-312 + 10 % addition of ash. The experiment was carried out in a phytotron at the photoperiod of 13/11 hours (day/night). The obtained study results showed that separate additions of Biona®-312 ion exchange substrate and fly ash at the level of 2 % to acidic soil did not cause a statistically significant increase in biomass of orchard grass. The common addition of Biona®-312 substrate and fly ash in the range of 2-10 % to acidic soil favorably influenced the plant growth, increasing the values of vegetative parameters by 136-454 %. Improving the vegetative conditions for plants by application of common 2 % Biona®-312 addition and ash additions (especially 2 and 5 % doses) resulted from an increase in the pH of media (5.57-6.96) as compared to the pH of soil alone (3.84). Because of the beneficial effect of applied fly ash doses, it was stated that the ash addition to the level of 10 % could be considered as an agent for deacidification of agricultural soils or degraded grounds. It is possible provided that the current legal restrictions on the use of different types of ashes will be no longer applicable, while ensuring that the limits of toxic substances (e.g. heavy metals) will not be exceeded in soils.
Źródło:
Proceedings of ECOpole; 2018, 12, 2; 443-453
1898-617X
2084-4557
Pojawia się w:
Proceedings of ECOpole
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 16

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