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    Wyświetlanie 1-5 z 5
    Tytuł:
    Comparison of stress susceptibility index of silage corn and sorghum crops
    Autorzy:
    Keten, Mualla
    Değirmenci, Hasan
    Powiązania:
    https://bibliotekanauki.pl/articles/2131636.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    maize
    sorghum
    yield
    stress susceptibility index
    Opis:
    Drought is an important factor that causes a decrease in yield and quality in regions where second crop silage plants are grown. One of the biggest problems in animal husbandry is feed. Especially silage feed production tends to decrease in areas with increasing water deficit and where water needs cannot be met. The high water requirement of the corn plant requires irrigation in arid and semi-arid regions. However, in order to continue the production of silage fodder in regions where water resources are insufficient with the increase of drought, it will be necessary to grow forage plants that can be an alternative to corn plant. In previous studies, it has been discussed whether the sorghum plant is an alternative to the corn plant. The aim of this study is to determine the drought sensitivity index based on the yield values of both plants in wet and dry conditions. Thus, it will be determined whether the sorghum plant will be an alternative to the corn plant in terms of drought. The identification and selection of drought-resistant cultivars and species is possible using various indices. In this study, second crop silage maize and sorghum crops were grown in Kahramanmaraş conditions for two years (2018 and 2019), dry and irrigated. Stress sensitivity index (SSI) was used to determine the drought tolerance of silage maize and sorghum crops. 'Colonia' variety was used for silage corn and 'Es Foehn' variety was used for sorghum. When the STI values are examined, the corn and sorghum values for 2018 were 0.55 and 0.53, respectively, while the d values for 2019 were found as 0.33 in corn and 0.54 in sorghum. these values are very close to the YSI values. While the 2018 values in both indices were not determinative in terms of drought resistance, the value of sorghum in 2019 was 64% higher than corn (this value was found to be 61% for YSI). This also showed that there is a direct correlation between YSI and STI indices.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2022, nr I/1; 21-28
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contribution of a Geographic Information System to Assess the Vulnerability to Groundwater Pollution of the Free Water Table from the Oued Souf Region (South-East Algeria)
    Autorzy:
    Khelfaoui, Faycal
    Sayad, Lamine
    Attoui, Badra
    Bouselsal, Bouualem
    Ghezaili, Salah
    Powiązania:
    https://bibliotekanauki.pl/articles/2051691.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    free aquifer
    Oued Souf
    chemical fertilizer
    vulnerability
    DRASTIC
    GOD
    susceptibility index
    pollution
    SIG
    warstwa wodonośna
    Oued Suf
    nawozy chemiczne
    zanieczyszczenia
    Opis:
    The Oued Souf free aquifer located in the South East of Algeria represents the main water resource used mostly for urban and agricultural activities. The intensive use of chemical fertilizers has led to serious environmental problems such as contamination of the free aquifer in the region. Thus, aquifer vulnerability has been assessed using several different methods (DRASTIC, GOD, and the Susceptibility Index ‘SI’) based on a geographic information system (GIS). For each method, two vulnerability maps have been developed in the years 2002 and 2012. These maps show that the study area is more exposed to urban, and especially agricultural, pollution. Two classes of vulnerability (moderate and high) have been identified by both DRASTIC and GOD methods. A combined analysis reveals that the moderate class showing 48% (for the GOD method), and the high class showing 57% (for the DRASTIC method) are the most dominant. However, the Susceptibility Index method (SI) revealed that the vulnerability varies from moderate to very high-level classes. In 2012, about of 53% of the study area was dominated by moderate vulnerability classes. The high vulnerability class also includes a considerable part of the land (41%) around urban or strongly agricultural areas, while only 6% is under very high vulnerability groundwater contamination. In addition, a marked decrease in the vulnerability level was noticed in 2012 compared to 2002. This decrease is mainly due to the lowering of the water table after the installation of a vertical drainage network to evacuate the surplus water to the depression and Chotts areas in the North of the region. These results provide a guide for decision-makers involved in the protection of groundwater pollution in such a vulnerable area.
    Źródło:
    Civil and Environmental Engineering Reports; 2021, 31, 3; 1-17
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Landslide susceptibility mapping in the Beskid Niski Mts., Western Carpathians (Dukla commune, Poland)
    Autorzy:
    Bronowski, B.
    Chybiorz, R.
    Jura, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059958.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    landslide
    susceptibility map
    index of entropy
    SOPO
    Beskid Niski Mts.
    Opis:
    Landslides are one of the most prominent processes degrading the Beskidy Mts. slopes. Susceptibility assessment is based on the detailed mapping of the Dukla commune (235 km2) at the scale 1: 10,000 in frames of the project Landslide Counteracting System. The terrain affected by landslides is 19.59 km2, which is 8.34% of the researched area. The largest number of landslides can be found in the Beskid Dukielski Mts. area, where nearly 78% of all landslide areas are concentrated. Analysis of landslide-causing factors was performed using the index of entropy method. The following five factors were considered: lithology, slope inclination, slope aspect, distance to faults, and distance to drainage. The most important role in the development of mass movements in the study area is played by slope inclination (0.0079) and lithology of siliciclastic flysch (0.0066). The method applied also contributed to devising a landslide susceptibility map of considerable accuracy at 90.5%. The analyses of the landslide factors have proven that understanding of geology and landforms is not only of cognitive significance, but adds to practical applications in spatial management. The studies confirmed usefulness of large-scale mapping of landslides and applying statistical methods and GIS techniques in the spatial analysis of landform transformations. The obtained landslide susceptibility map can be a basis for assessing landslide risk. High and very high landslide susceptibility classes cover nearly 50% of the study area.
    Źródło:
    Geological Quarterly; 2016, 60, 3; 586--596
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Susceptibility to mechanical damage of potatoes cultivated in different environmental conditions
    Autorzy:
    Sarec, P.
    Hamouz, K.
    Sarec, O.
    Dvorak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/26403.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    pendulum index
    locality
    season
    susceptibility
    mechanical damage
    vegetation period
    potato
    plant cultivation
    environment condition
    Źródło:
    International Agrophysics; 2006, 20, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Susceptibility of Festuca rubra L. ssp. commutata and rubra to infestation by fungal pathogens under conditions of fungicidal protection
    Podatność Festuca rubra L. ssp. commutata i rubra na porażenie przez patogeny grzybowe w warunkach stosowania ochrony fungicydowej
    Autorzy:
    Panka, D.
    Jeske, M.
    Szczepanek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/47276.pdf
    Data publikacji:
    2009
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Tematy:
    susceptibility
    Festuca rubra ssp.commutata
    Festuca rubra ssp.rubra
    infestation
    fungal pathogen
    fungicidal protection
    plant protection
    fungi
    fungicide
    plant disease
    disease index
    leaf spot
    powdery mildew
    red fescue
    rust
    Opis:
    The aim of this study was to estimate the susceptibility of a tuft (ssp. commutata – cultivar Mirena) and creeping (ssp. rubra – cultivar Nista) forms of Festuca rubra to infestation by pathogenic fungi and the effect of chemical protection on the health of plants grown for seeds. The study was conducted in 2004-2006 (first series) and in 2005-2007 (second series) at the Experimental Variety Testing Station in Chrząstowo (53°09’ N; 17°35’ E). Fungicides containing azoxystrobin, prochloraz and propiconazole were applied for protection against fungal pathogens. The assessment of disease symptom intensity was conducted in the summer and autumn periods based on modified scales by Birckenstaedt et al. [1994]. In the establisment and production years we found a moderate infestation of red fescue of the cultivars Mirena and Nista by pathogenic fungi. Highest values of leaf disease index at a level of DI = 16.9% were registered in the case of leaf spots. Occurrence of rust and powdery mildew stayed at a lower level. Presence of Microdochium nivale was registered sporadically. Higher susceptibility of the creeping cultivar Nista to infestation by fungi causing leaf spots and powdery mildew was observed. In the vast majority of cases applying chemical protection significantly decreased a degree of plant infestation in the summer period.
    Celem badań było określenie podatności kępowej (ssp. commutata – odmiana Mirena) oraz rozłogowej (ssp. rubra – odmiana Nista) formy Festuca rubra na porażenie przez patogeniczne grzyby oraz wpływu chemicznej ochrony plantacji na zdrowotność roślin uprawianych na nasiona. Badania prowadzono w latach 2004-2006 (pierwsza seria) oraz 2005-2007 (druga seria) w Stacji Doświadczalnej Oceny Odmian w Chrząstowie (53°09’ N; 17°35’ E). Do ochrony przed patogenami grzybowymi stosowano fungicydy zawierające azoksystrobinę, prochloraz oraz propikonazol. Ocenę nasilenia objawów chorobowych wykonywano w okresie letnim i jesiennym w oparciu o zmodyfikowane skale Birckenstaedt et al. [1994]. W roku siewu i w latach użytkowania stwierdzono umiarkowane porażenie kostrzewy czerwonej odmian Mirena i Nista przez grzyby patogeniczne. Najwyższe wartości indeksu porażenia liści na poziomie IP = 16,9% notowano w przypadku plamistości. Występowanie rdzy i mączniaka prawdziwego kształtowało się na niższym poziomie. Sporadycznie notowano obecność Microdochium nivale. Obserwowano wyższą podatność odmiany rozłogowej Nista na porażenie przez grzyby wywołujące plamistość liści i mączniaka prawdziwego. W przeważającej większości przypadków zastosowanie ochrony chemicznej istotnie zmniejszało stopień porażenia roślin w okresie letnim.
    Źródło:
    Acta Scientiarum Polonorum. Agricultura; 2009, 08, 4
    1644-0625
    Pojawia się w:
    Acta Scientiarum Polonorum. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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