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1
Content available Effects of irrigation on fruit yield and leaves photosynthetic activity in early and late apple cultivars
Podsiadło C., Jaroszewska A.
Infrastruktura i Ekologia Terenów Wiejskich
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2017
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nr III/2
1177--1185
EN
The study was conducted in 2008-2009 at the Agricultural Experimental Station in Lipnik near Stargard, on sandy soil. The aim of this study was to determine the effect of sub-crown irrigation on the yield leaves photosynthesis and transpiration capacity, as well as CO2 concentration in the stomatal cells, and leaf greenness index of early ‚Geneva Early’ cv. and late ‚Rubinola’ cv. apple cultivars. Irrigation was applied in the form of the sub-crown system, in which water is distributed through a mini-sprayers of Hadar type when water potential of soil fell below - 0.01 MPa. The experiment was established in a randomized sub-block pattern (split-plot) in 10 replicates. The study was conducted using the four-year-old trees. The trees were planted at 4×2 m spacing; one hectare was planted with 1250 trees. Turf was maintained between the trees, while herbicide fallow was applied in rows. Plant material for laboratory tests was collected each year in three dates: fruit setting (date 1), harvest (date 2) and one month after the harvest (date 3). Studies have shown that leaves of the irrigated apple trees were lower content of assimilation pigments in leaves than non-irrigated ones. Leaves of late ‘Rubinola’ cv. showed higher photosynthetic activity and pigments content than early ‘Geneva Early’ cv. Pigment content was the highest at the second date of measurements. Better yielding late variety ‚Rubinola’ characterized by a greater intensity of transpiration, stomatal conductance and CO2 concentration leaves than the early va riety ‚Geneva Early’. The applied irrigation significantly increased the fruit yield and also increased the fruits weight of both varieties. Among the varieties of apple trees higher yield and fruit mass was found in the late variety ‚Rubinola’. This treatment and the earliness of varieties had no significant effect on the content of other macro- and micronutrients.
2
Content available remote Wpływ mikro nawadniania i nawożenia na zawartość azotanów w wybranych roślinach sadowniczych i glebie lekkiej
Podsiadło C., Jaroszewska A., Biczak R., Rychter P.
Inżynieria Ekologiczna
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2006
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Nr 17
91-92
3
Content available Zmiany właściwości chemicznych i biologicznych gleby lekkiej pod wpływem nawadniania i nawożenia mineralnego w uprawie brzoskwini
Podsiadło C., Jaroszewska A., Nguyen Thi B. L.
Inżynieria Rolnicza
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2005
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R. 9, nr 4
135--143
PL
Doświadczenia polowe z nawadnianiem i nawożeniem mineralnym brzoskwini przeprowadzono na glebie lekkiej w latach 2002-2003. Oceniano wpływ czynników doświadczenia między innymi na aktywność biologiczną gleby, określając między innymi liczebność bakterii, promieniowców oraz grzybów.
EN
Experiments with irrigation and mineral fertilization of peach trees grown on sandy soil were conducted in 2002-2003 years. The influence of both treatments on the soil biological actinity was tested, mainly on the number of some species of bacteria, actinomycete and fungi.
4
Content available Wpływ nawadniania podkoronowego i nawożenia mineralnego na wielkość i jakość plonów owoców brzoskwini
Podsiadło C., Jaroszewska A., Herman B., Biczak R., Rumasz-Rudnicka E.
Inżynieria Rolnicza
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2005
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R. 9, nr 4
117--124
PL
W pracy zawarto trzyletnie wyniki badań dotyczących wpływu nawadniania podkoronowego i nawożenia mineralnego na wielkość i jakość plonu owoców brzoskwini. Stwierdzono m.in., że nawadnianie, jak i nawożenie mineralne spowodowały istotny wzrost plonu owoców. Ponadto wzrost uwilgotnienia gleby różnicował skład chemiczny liści i owoców brzoskwini.
EN
Results of 3-year experiments with peaches grown on sandy soil. The applied irrigation and fertilizer significantly increased yield and macro-and microelement content in peach leaves and fruit.
5
Content available Wpływ nawadniania kroplowego i nawożenia azotem na plonowanie borówki wysokiej
Koszański Z., Rumasz-Rudnicka E., Podsiadło C., Jaroszewska A.
Inżynieria Rolnicza
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2005
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R. 9, nr 3
257--261
PL
Badania polowe wykonano w latach 2002-2003 na glebie lekkiej, kompleksu żytniego dobrego. Oddziaływanie nawadniania kroplowego i zróżnicowanych dawek azotu ( 0, 60, 120 i 180 kg ha-1 ) oceniano na 4 letnich krzewach borówki wysokiej odmiany ‘Spartan’ i ‘Patriot’. Porównywane odmiany charakteryzowały się podobnymi możliwościami produkcyjnymi. Nawadnianie istotnie zwiększało plony owoców i masę 100 jagód. Za plonotwórczo uzasadnione okazało się nawożenie borówki wysokiej dawką 180 kg N ha-1.
EN
Field experiments were carried out in 2002-2003 on sandy soil of a good-rye-complex. The influence of drip irrigation and nitrogen doses (0, 60, 120, 180 kg N ha-1.) was tested on 4-year blueberry bushes, cv. Spartan and Patriot. The cultivars had similar production capabilities. Irrigation caused a significant increase of the berries yield and weight of 100 fruits. Application of 180 kg N per/ha has proved to increase the yield.
6
Content available Efektywność ekonomiczno-produkcyjna nawadniania i nawożenia mineralnego wybranych gatunków warzyw
Podsiadło C., Jaroszewska A., Rokosz E.
Inżynieria Rolnicza
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2005
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R. 9, nr 4
125--133
PL
Doświadczenia polowe przeprowadzono w latach 1999-2001 na glebie lekkiej. Określano w nich efektywność ekonomiczną i produkcyjną nawadniania i nawożenia mineralnego pomidora i fasoli karłowej. Stwierdzono, że efektywność netto 1 mm zastosowanej w nawadnianiu wody zależała od nawożenia mineralnego. Produktywność 1 kg NPK, zależała od zastosowanego nawadniania i nawożenia mineralnego. Zarówno u pomidora jak i fasoli najwyższą wartość osiągnęła ona przy dawce nawożenia 1 NPK na obiektach nawadnianych.
EN
Field experiment was carried out in the years 1999-2001 on the sandy soil. Economic and productive effectivenes of irrigation and mienral fetilization of tomato and bush bean was studied. It was found that effectivity of 1 mm applied water depended on mineral fertilizing. Productivity of 1 kg NPK depended on irrigation and level of mineral fertilizing. Both tomato and bush bean gave the highest yields at the irrigated objects and fertilized with NPK doze.
7
Content available Gap detection thresholds in young musicians with normal hearing and with very high frequency sloping hearing loss in 1/3-octave white noise centered at 4kHz
Jaroszewski A., Jaroszewska A., Rogowski P.
Archives of Acoustics
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2001
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Vol. 26, no. 4
271-276
EN
Gap detection thresholds in 1/3-octave white noise centred at 4kHz were determined in young musicians with normal hearing preserved and with very high frequency sloping hearing loss. The thresholds were determined in the control group of 20 with normal hearing, i.e. flat audiogram up to 16kHz, and in the experimental group of 15 with high frequency sloping hearing loss exceeding 30dB at 12kHz or at 16kHz, the so called peculiar hearing loss. A group of 7 older subjects exhibiting also peculiar hearing loss was included for comparison. The results show gap detection thresholds in the normal hearing subjects ranging from 1ms to 6ms, which are in good agreement with the earlier data from the present authors. However, few examples of higher gap detection thresholds (11, 26ms) in normal hearing were also observed. For the experimental group with high frequency sloping hearing loss at 12kHz or at 16kHz, the gap detection thresholds found were on the average significantly higher ranging from 6ms to 26ms. In the group of older subjects gap detection thresholds were on the average still significantly higher.
8
Content available Gap detection thresholds in 1/3-octave white noise centered at 4kHz in children 7-14 years of age with normal hearing and with very high frequency sloping hearing loss
Jaroszewski A., Jaroszewska A.
Archives of Acoustics
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2001
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Vol. 26, no. 3
167-174
EN
Gap detection thresholds in 1/3-octave white noise were measured in primary school children aged 7-14 with normal hearing and with very high frequency sloping hearing loss. The results show median gap detection thresholds, in the group of normal hearing children of 5.5ms, while in the group of hearing impaired median gap detection thresholds are five times larger, i.e. 25.5ms, reaching 50ms in some cases.
9
Content available remote Impulsiveness of discotheque exposures
Jaroszewski A., Jaroszewska A.
Archives of Acoustics
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2000
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Vol. 25, no. 3
275-281
EN
Long term average spectra, cumulative distribution functions and impulsiveness in terms of L peak - L eq and in terms of kurtosis were determined for 8 Warsaw discotheques. The results are discussed with reference to hearing damage risk.
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