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    Wyświetlanie 1-9 z 9
    Tytuł:
    Estimation of plant water requirements during sequences of days without precipitation in 2011-2015
    Autorzy:
    Wójcik, K.
    Treder, W.
    Zbudniewek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/101013.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    rainfall
    evapotranspiration
    growing season
    Opis:
    This paper presents data on daily precipitation totals from six meteorological stations and the climatic water balance for the stations located throughout Poland in 2011-2015. The following sequences of days without precipitation were distinguished: from 11 to 15 days, from 16 to 20 days, and of more than 20 days. The number of precipitation-free sequences during the growing season in 2011-2015 was highly variable. Over the studied period, there were from 1.0 rainless sequence in Wtelno to 2.4 such sequences in Gołębiów per one growing season. The most frequently occurring were sequences of 11-15 days, while those of 16-20 days were less frequent. In the years under analysis, all of the different sequences occurred most frequently in July, and the least frequently in April. The highest numbers of sequences without precipitation were recorded in the south-east of Poland (Zakalniki, Gołębiów).
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1187-1200
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Estimation of plant water requirements during sequences of days without precipitation in 2011-2015
    Autorzy:
    Wójcik, K.
    Treder, W.
    Zbudniewek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/101157.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    rainfall
    evapotranspiration
    growing season
    Opis:
    This paper presents data on daily precipitation totals from six meteorological stations and the climatic water balance for the stations located throughout Poland in 2011-2015. The following sequences of days without precipitation were distinguished: from 11 to 15 days, from 16 to 20 days, and of more than 20 days. The number of precipitation-free sequences during the growing season in 2011-2015 was highly variable. Over the studied period, there were from 1.0 rainless sequence in Wtelno to 2.4 such sequences in Gołębiów per one growing season. The most frequently occurring were sequences of 11-15 days, while those of 16-20 days were less frequent. In the years under analysis, all of the different sequences occurred most frequently in July, and the least frequently in April. The highest numbers of sequences without precipitation were recorded in the south-east of Poland (Zakalniki, Gołębiów).
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/1; 611-624
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Efficiency of utilization of water for evapotranspiration of mountain grasslands
    Autorzy:
    Misztal, A.
    Zarzycki, J.
    Bedla, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/60786.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    utilization efficiency
    water utilization
    evapotranspiration
    mountain grassland
    grassland
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2015, IV/3
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Regulated deficit irrigation of rhododendrons grown in containers
    Autorzy:
    Matysiak, B.
    Koniarski, M.
    Treder, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/101612.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    evapotranspiration
    irrigation
    ornamental nursery
    regulated deficit irrigation
    RDI
    rhododendron
    Opis:
    The effect of deficit irrigation imposed in July-August period on shoot growth and flower formation in container grown rhododendron in commercial nursery were assessed. Plants were exposed to three irrigation regimes based on potential evapotranspiration rates (100% ET0 - well-watered control plants, 75% ET0 - moderate drought and 50% ET0 - severe drought). The values of evapotranspiration were calculated using the Penman-Monteith model. The degree of drought had significant effect on the plant growth and water status of plants. Severe drought inhibited secondary shoot elongation compared to less stressful regime but did not affect flower formation. ‘Catawbiense Boursault’, ‘Nova Zembla’ and ‘Pearce’s American Beauty’ plants exposed to severe drought were shorter, respectively by 39, 45 and 86% than well-irrigated plants and two of the three cultivars ‘Catawbiense Boursault’ and ‘Pearce’s American Beauty’ produced fewer secondary branches (5.9 and 0.3) compared to control plants (9.2 and 1.7, respectively). Moderate drought did not affect plant growth but resulted in flower bud formation in ‘Nova Zembla’ and ‘Pearce’s American Beauty’s cultivars. Estimated water consumption by rhododendrons throughout the whole growing season was reduced by 15% for moderate and 25% for severe drought compared to control, well-watered plants. The results have significant implications for water conserving in commercial production of rhododendrons.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/1; 509-519
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of water needs and precipitation deficiency during the growing season of asparagus in the region of Bydgoszcz and Wroclaw
    Autorzy:
    Rolbiecki, S.
    Rolbiecki, R.
    Jagosz, B.
    Biniak-Pieróg, M.
    Żyromski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/101121.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    Asparagus officinalis L.
    evapotranspiration
    plant coefficients
    rainfall deficit
    water requirements
    Opis:
    The aim of the study was to compare the water requirements and the precipitation deficiencies during cultivation of asparagus in the period from June to August in the regions of Bydgoszcz and Wroclaw. The water needs were calculated using the plant coefficient. The reference evapotranspiration was measured by Grabarczyk’s method (1976). The coefficients kc, determined for the Polish conditions by Rolbiecki (2013), were used to estimate the water requirements considered as the crop evapotranspiration. In the studied period (from June to August, 1996-2015), higher water requirements of asparagus were noted in the Wroclaw region (366.1 mm) than in the Bydgoszcz region (288.5 mm). The monthly water needs in June, July and August were 69.8 mm, 128.8 mm and 167.5 mm, respectively, in the Wroclaw region, and 55.5 mm, 98.5 mm and 134.5 mm, respectively, in the Bydgoszcz region. In July, the tendency to increase the water requirements in both observed regions was noted. The monthly crop evapotranspiration in July rose in each decade by 12.3 mm in the Bydgoszcz region and by 21.2 mm in the Wroclaw region. In the 20-year study, the rainfall deficit in June and July during 11-13 years was noted. In August, the precipitation deficiencies were observed during 16 years in the Bydgoszcz region and during 19 years in the Wroclaw region. A higher rainfall deficit during the 20-year period under study was reported in the Wroclaw region (128.5 mm) than in the Bydgoszcz region (87.0 mm). In August, the highest monthly precipitation deficiencies of 100.3 mm (Wroclaw region) and 70.3 mm (Bydgoszcz region) were noted.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/3; 1843-1854
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determination of irrigation requirements and crop coefficients using weighing lysimeters in perennial plants
    Autorzy:
    Treder, J.
    Treder, W.
    Klamkowski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/101548.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    ornamental nurseries
    evapotranspiration
    crop coefficient Kc
    weighting lysimeter
    automatic irrigation systems
    Opis:
    The increasing role of perennials in ornamental nurseries requires the elaboration of efficient and accurate irrigation control of this specific group of plants. The experiment was conducted in 2015 in Research Institute of Horticulture, in Skierniewice. The aim of the study was to determine the water requirements and designate the specific evapotranspiration crop coefficient Kc of several perennials, commonly grown in Polish ornamental nurseries. Water requirements of perennials were evaluated using weighing lysimeters. At the same time the recorded climate parameters allowed to calculate the potential evapotranspiration (ET0). Lysimeter measurements and meteorological data allowed determine specific to each species crop coefficient (Kc). The Kc values were determined by dividing ETc by ET0. The obtained results showed that irrespectively of plant growth phase there is strong correlation between climate parameters and real crop evapotranspiration (ETc) of six evaluated perennials: Anemone hupehensis ‚Prinz Heinrich’, Echinacea purpurea ‘Guava Ice’, Hemerocallis, ‘Sandra Elisabeth’, Salvia nemorosa ‘Mainacht’ and Veronica spicata ‘Royal Candles Glory’. The Kc coefficients of all species were changed during the growth season and increased according to plant development and percentage of ground coverage of soil in the lysimeter by leaves. The strong, positive correlation was shown for daily and hourly calculated crop evapotranspiration and potential evapotranspiration (ET0) obtained from weather station. Determination of crop coefficients for ornamental perennials is essential for precise calculation of water doses and irrigation controlling in the nurseries.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1213-1228
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    O szacowaniu potrzeb wodnych drzew owocowych w Polsce na podstawie temperatury powietrza
    On the estimation of the water needs of fruit trees in Poland based on air temperature
    Autorzy:
    Rolbiecki, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/101245.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    potrzeby wodne
    drzewo owocowe
    winnica
    ewapotranspiracja
    water needs
    fruit tree
    vineyard
    evapotranspiration
    Opis:
    W opracowaniu przedstawiono proste wzory na potrzeby wodne drzew owocowych dla warunków Polski wyprowadzone w oparciu o dane liczbowe podawane przez wielu autorów. Podano wzory do wyznaczenia potrzeb wodnych drzew owocowych na podstawie temperatury powietrza opracowane według danych liczbowych przedstawionych przez Drupkę, Kemmera i Schulza oraz Pressa. Przedstawiono metodę współczynników roślinnych z wykorzystaniem ewapotranspiracji wskaźnikowej obliczanej według metod zaproponowanych przez: Tredera, Blaney-Criddle’a w modyfikacji Żakowicza, Hargreaves’a w modyfikacji Droogersa i Allena oraz Hargreaves’a w modyfikacji Bogawskiego i Bednorz. Współczynniki roślinne dla poszczególnych miesięcy okresu wegetacji podano według Tredera oraz według Doorenbosa i Pruitta. Przedstawione wzory mogą być pomocne w oszacowaniu potrzeb nawadniania sadów (i winnic) w warunkach Polski i w podejmowaniu decyzji o lokalizacji urządzeń nawodnieniowych oraz ewentualnym stosowaniu nawodnień w sadach i winnicach na obszarze Polski.
    The paper presents simple equations for estimation of water needs of fruit trees for conditions of Poland. These formulas are derived on the base of numerical data provided by many authors. Water needs of fruit trees can be estimated on the base of air temperature according to data and methodology of Drupka, Kemmer and Schulz as well as Press. The method of estimation of fruit tree evapotranspiration with the use of crop coefficients for particular months of the vegetation period (acc. to Doorenbos and Pruitt and acc. to Treder) and reference crop (grass) evapotranspiration on the base of air temperature (acc. to: Treder, Hargreaves in modification of Droogers and Allen, Hargreaves in modification of Bogawski and Bednorz, Blaney-Criddle in modification of Żakowicz) are also presented. The presented formulas can be helpful in estimating the irrigation needs of orchards (and vineyards) in conditions of Poland. The presented formulas can be also useful in making decisions on the location of irrigation equipment and the possible application of irrigation in orchards (and vineyards) in Poland.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2018, II/1; 393-406
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of different irrigation water levels on yield and some quality parameters of lettuce (Lactuca sativa L. var. Longifolia cv.) under unheated greenhouse condition
    Autorzy:
    Senyigit, U.
    Kaplan, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/60108.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    irrigation water
    water level
    yield
    quality parameter
    lettuce
    Lactuca sativa var.longifolia
    plant cultivar
    greenhouse condition
    evapotranspiration
    Opis:
    The experiment was carried out to determine the effects of different irrigation water levels on yield and some quality parameters of lettuce (Lactuca sativa L. Var. Longifolia cv.) under greenhouse conditions. Irrigation water was applied through drip irrigation method with 7 days interval during the total growing season. Irrigation treatments consisted of six different water levels (I1: non-irrigation, I2: 25 %, I3: 50 %, I4: 75 %, I5: 100 % and I6: 125 % of cumulative evaporation measured from Class A pan). The amount of irrigation water ranged between 0 and 106.3 mm among the treatments. Evapotranspiration (ET) values varied from 69.1 to 158.5 mm for the treatments. The highest yield was obtained from the I5 followed by I4. A significant polynomial relation (R2=0.77) was obtained between the yield and irrigation water, and linear relation (R2=0.99) was obtained between the yield and ET. This indicated that when irrigation water increased, yield also increased to a certain point. However, when the amount of irrigation water exceeded the plant water requirement, lettuce yield decreased. Yield response factor (Ky) was determined as 1.97. Since Ky ˃ 1, lettuce was very sensitive to water deficiency. In addition, the highest water use efficiency (WUE) and irrigation water use efficiency (IWUE) values were calculated in the I5 with 0.60 t ha.mm-1 and 0.96 t ha.mm-1 respectively. The best plant quality parameters which were plant weight (239.11 g), plant height (26.30 cm), plant diameter (44.82 cm), root weight (17.31 g), root length (9.02 cm), root diameter (10.04 cm) and leaf number (49) were also obtained in I5. As a result, it was suggested that I5 can be the most appropriate irrigation water level for lettuce with higher WUE, IWUE, yield and quality under greenhouse conditions.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2013, 2/IV
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Szacowanie potrzeb deszczowania terenów zieleni w zróżnicowanej przestrzeni urbanistycznej
    Estimating the needs for sprinkler irrigation of green areas in diverse urban planning spaces
    Autorzy:
    Rolbiecki, Stanisław
    Rolbiecki, Roman
    Kuśmierek-Tomaszewska, Renata
    Żarski, Jacek
    Łangowski, Ariel
    Powiązania:
    https://bibliotekanauki.pl/articles/24987700.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    ewapotranspiracja
    opady atmosferyczne
    nawadnianie
    tereny zieleni
    miejska wyspa ciepła
    evapotranspiration
    atmospheric precipitation
    irrigation
    green areas
    urban heat island
    Opis:
    Celem pracy było określenie różnic potrzeb deszczowania trawnika wynikających z niejednorodności topograficznej miasta Bydgoszczy i zróżnicowanych pod względem zagospodarowania terenów zamiejskich. Pomiary meteorologiczne prowadzono w okresie od maja do września na terenach zróżnicowanych pod względem stopnia urbanizacji i formy pokrycia terenu: centrum dużego miasta, peryferia miejskie i obszar użytkowany rolniczo. Na podstawie wielkości obliczonych potrzeb wodnych trawnika określono zakres deficytów opadów w okresie wegetacji roślin. Stwierdzono, że sumy opadów sezonowych w porównywanych lokalizacjach kształtowały się na podobnym poziomie, jednakże zaobserwowano dużą zmienność czasową tego wskaźnika w poszczególnych sezonach. Pod względem warunków ewaporometrycznych zaobserwowano wyraźne różnice pomiędzy analizowanymi lokalizacjami. Średnio, największe sumy ewapotranspiracji wskaźnikowej wyznaczono dla centrum miasta, co jest efektem powstającego na tym obszarze zjawiska „miejskiej wyspy ciepła”. Natomiast najmniejsze straty wody na skutek ewapotranspiracji wystąpiły na terenach wiejskich. Wyniki przeprowadzonej analizy pozwoliły stwierdzić, że potrzeby deszczowania trawnika cechowała zarówno zmienność czasowa jak i przestrzenna. Zdecydowanie największe potrzeby deszczowania wystąpiły w warunkach miejskich, mniejsze na terenach wiejskich użytkowanych rolniczo, a najmniejsze na obrzeżach Bydgoszczy.
    The study aimed to determine the differences in lawn irrigation needs resulting from the topographical heterogeneity of the city of Bydgoszcz and surrounding areas. To gather the data, meteorological measurements were carried out in the period from May to September 2012-2014, in areas diversified in terms of the degree of urbanization and land cover: the center of a large city, urban peripheries and rural area. Based on the calculated water needs of the lawn, the range of rainfall deficits during the lawn growing period was determined. It was found that seasonal rainfall totals in the compared locations were at a similar level, but a large temporal variability of this indicator was observed in individual seasons. In terms of evapotranspiration, clear differences were noted between the analysed locations. On average, the highest amounts of potential evapotranspiration were found in the city center, which may be the result of the urban heat island phenomenon forming over this area. However, the lowest water loss due to evapotranspiration took place in the rural area. As a result of these, the analysis showed that the lawn's irrigation needs were characterized by both temporal and spatial variability. By far the greatest irrigation needs occurred in urban space, lower in rural areas, while the lowest on the outskirts of the city, in the Fordon district.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2023, I/1; 187--204
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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