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Wyświetlanie 1-5 z 5
Tytuł:
Effect of nitrogen fertilisation on the marketable yield and nutritive value of onion
Autorzy:
Wichrowska, D.
Wojdyła, T.
Rolbiecki, S.
Rolbiecki, R.
Czop, P.
Jagosz, B.
Ptach, W.
Powiązania:
https://bibliotekanauki.pl/articles/11543586.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
The nutritive compounds of the onion are influenced by genetic as well environmental factors. Due to its shallow poorly-developed root system, onion has a low potential of using nutrients from soil. Usually mineral fertilisation increasing the yield and change the chemical composition in vegetables, and it is the chemical composition which determines the nutritive value of onion. Over 2003–2006 at Korytowo, about 30 km away from Bydgoszcz, northwards, 2-factor field experiments were set up in ‘split-plot’, in three reps. The aim of the study has been to determine the effect of the nitrogen rate (0, 60, 120, 180 kg N·ha–1) on the content of dry matter, vitamin C and monosaccharides and total sugar in onion of two cultivars: Kutnowska and Efekt. Increasing nitrogen fertilisation has resulted in a decrease in the content of dry matter in the bulbs of the onions under study. The ‘Kutnowska’ showed a higher content of total sugar and, at the same time, a lower content of monosaccharides than ‘Efekt’. ‘Efekt’ reacted with an increase in the content of vitamin C and monosaccharides as affected by higher fertilisation rates. A different reaction was noted in ‘Kutnowska’. The lower the dry matter content in onion bulbs – the greater content of total sugars and less content of monosaccharides.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 5; 125-133
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The efficiency of drip fertigation in cultivation of winter squash „Gomez” on the very light soil
Autorzy:
Rolbiecki, R.
Rolbiecki, S.
Figas, A.
Wichrowska, D.
Jagosz, B.
Ptach, W.
Powiązania:
https://bibliotekanauki.pl/articles/101275.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
carotenoids
Cucurbita maxima Duch
dry matter
fruit yield
sugar
vitamin C
Opis:
The study of drip fertigation of winter squash ‘Gomez’ was conducted on the very light soil on the experimental field in Kruszyn Krajeński near Bydgoszcz in the years 2007 and 2008. The research was established as one-factorial, using the method of drawn blocks, in four replications. Drip fertigation (DF) as the liquid fertilization supplied nitrogen, potassium and phosphorus to the plants three times during growing season. As the control (DP), the drip irrigation combined with broadcast application was used. The potassium and phosphorus fertilization of control plots was applied before seed sawing. The nitrogen fertilization of control plots was provided in three single doses during vegetation. The liquid and powder fertilizations were performed at the same time. The complex fertilizer ‚Universol Blue’ (N:P:K = 18:11:18) was used. The dose of fertilizer was 3:2:3 (187.5:125:187.5 kg of NPK per ha). The irrigation was conducted using the drip line ‚T-Tape’. The liquid fertilizer was mixed by the ‚Dosatron’ dispenser. The irrigation started when the soil water pressure, measured with the tensiometers, was near - 0.04 MPa. In comparison to the control (powder fertilization), the drip fertigation (liquid fertilization) significantly increased marketable fruit yield, single fruit weight and fruit number. Most of the tested chemical components of ‘Gomez’ fruits (vitamin C, total sugar, monosaccharides, saccharose, total carotenoids and ß-carotin) were not significantly influenced by drip fertigation. However, the level of dry weight of winter squash ‘Gomez’ fruits was reduced by drip fertigation.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1201-1211
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of drip irrigation on nutritive value of winter squash „Rouge vif d’Etampes” after harvest and storage
Autorzy:
Wichrowska, D.
Rolbiecki, R.
Rolbiecki, S.
Figas, A.
Jagosz, B.
Ptach, W.
Powiązania:
https://bibliotekanauki.pl/articles/101416.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
carotenoids
chemical composition
dry matter
pumpkin
sugar
vitamin C
Opis:
The aim of the study was to determine the influence of drip irrigation on the nutritive value of winter squash ‘Rouge vif d’Etampes’ fruits analyzed directly after the harvest and after the storage. The plants were grown on the very light soil in the region of decreased rainfall amounts during the vegetation period. The field experiment was conducted in 2007-2008 at Kruszyn Krajeński near Bydgoszcz on the soil of quality class V-VI (very weak and weak-rye-soil-complex). The field water capacity in the soil layer 0-50 cm was 57.5 mm, while the effective useful retention amounted 29.3 mm. The experiment was designed as one-factorial trial in four replications; drip irrigation as the experiment factor was applied. As the control the plots without irrigation were considered. The single plot area was 11.2 m2. The drip irrigation was conducted according to the soil tensiometer indications (-0.04 MPa). The research material was the eatable parts of fresh fruits that were analyzed directly after the harvest and after the storage for six months at the temperature 10°C and the relative air humidity 75%. The drip irrigation performed during the cultivation of winter squash increased the content of vitamin C, total carotenoids including ß-carotene, as well sugars in the fruits, both after the harvest and after the storage. After six months of the storage the rise of the content of dry matter, total carotenoids including ß-carotene, as well monosaccharides was noted, while the level of vitamin C, total sugar, and saccharose have been reduced.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1167-1175
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of drip irrigation on the yielding of summer squash „White Bush” under rainfall-thermal conditions of Bydgoszcz and Stargard
Autorzy:
Rolbiecki, R.
Rolbiecki, S.
Podsiadło, C.
Wichrowska, D.
Figas, A.
Jagosz, B.
Ptach, W.
Powiązania:
https://bibliotekanauki.pl/articles/101165.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
chemical composition
Cucurbita pepo L.
cultivar
fruit weight
fruit yield
light soil
Opis:
The aim of the study was to determine the effect of drip irrigation on yielding of summer squash ‘White Bush’ grown under conditions of two localities: Lipnik near Stargard Szczeciński (soil of quality class IVb, and of good-rye-soil-complex) and Kruszyn Krajeński near Bydgoszcz (soil of quality class V, and of weak-rye-soil-complex). The study was designed as one-factorial trial: drip irrigation as the experimental factor was considered. Drip irrigation was conducted according to soil tensiometer indications (-0.04 MPa). Both, in Lipnik as well as in Kruszyn Krajeński, drip irrigation significantly increased marketable yield of summer squash ‘White Bush’. A higher rise in yields due to irrigation was obtained in Kruszyn Krajeński than in Lipnik. Mean marketable yield of summer squash fruits in Lipnik was higher than that obtained in Kruszyn Krajeński. Drip irrigation significantly increased the single fruit weight in relation to the control, in both crop localities. The system of drip irrigation significantly affected the number of fruits per plant. Summer squash plants grown in Lipnik produced higher number of fruits, than in Kruszyn Krajeński. In addition, essential influence of drip irrigation was affirmed on chemical composition of fruits, i.e. dry matter, vitamin C, monosaccharides, saccharose, content of total sugars and sum of carotenoids and ß-carotin.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1229-1240
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zawartość wybranych składników chemicznych w dyni makaronowej świeżej po zbiorach i po przechowywaniu oraz konserwowanej – w zależności od nawadniania i odmiany
Content of chosen of chemical components in fresh macaroni summer squash after harvest and after storage as well as stabilized in dependence from irrigation and cultivar
Autorzy:
Wojdyla, T.
Wichrowska, D.
Rolbiecki, R.
Rolbiecki, S.
Weltrowska-Medzinska, B.
Powiązania:
https://bibliotekanauki.pl/articles/828035.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Technologów Żywności
Opis:
Celem pracy było określenie zawartości wybranych składników chemicznych w dyni makaronowej świeżej, po zbiorach i po przechowywaniu oraz konserwowanej w zależności od odmiany oraz nawadniania kroplowego. Eksperymenty polowe przeprowadzono w dwóch kolejnych sezonach wegetacyjnych (2004 i 2005) w Kruszynie Krajeńskim koło Bydgoszczy. Materiał badawczy stanowiła część jadalna świeżych owoców, które przechowywano przez sześć miesięcy w temperaturze 10oC i wilgotności względnej powietrza 85% oraz poddano procesowi technologicznego marynowania oraz zamrażalniczego przechowywania. W odmianach badanych bezpośrednio po zbiorach, pochodzących z poletka z nawadnianiem kroplowym, w istotny sposób zmniejszyła się zawartość suchej masy, cukrów redukujących i ogółem, natomiast wzrosła zawartość witaminy C oraz sumy karotenoidów i ß-karotenu w stosunku do zawartości tych składników w owocach zebranych z poletek nienawadnianych. Po przechowywaniu we wszystkich próbach wzrosła zawartość suchej masy, średnio o 0,8% oraz cukrów redukujących o 22,6%. Zawartość pozostałych badanych składników uległa istotnemu zmniejszeniu: witaminy C średnio o 54% (najmniejszy ubytek wystąpił w materiale utrwalonym metodą mrożenia), sumy karotenoidów i ß-karotenu średnio o 68%, natomiast cukrów ogółem o 51%, w stosunku do średniej zawartości tych składników w owocach dyni po zbiorach.
The aim of the study was to determine of chosen chemical components in fresh macaroni summer squash after harvest and after storage as well as stabilized in dependence from irrigation and cultivar. Field experiments were carried out in the two successive vegetation seasons (2004 and 2005) at Kruszyn Krajeński near Bydgoszcz. Research material was eatable parts of fresh fruits, which were stored during six months in temperature 10oC and relative air humidity 85%, as well as marinade and frozen parts. Squash fruits after harvest from drip-irrigated plots were characterized by decreased content of dry matter, total sugars and reducing sugars as well as by increased content of vitamin C, carotenoids and β-carotin as compared to those harvested from non-irrigated plots. After storage, the content of dry matter was increased on average by 0,8%, and the reducing sugars content was slightly increased by 22,6%. The content of remaining components was significantly decreased. The vitamin C content decreased on average by 54% (lowest decrease in case of frozen material), the content of carotenoids and β-carotin decreased by 68%, the total sugar content decreased by 51% as compared to contents after harvest.
Źródło:
Żywność Nauka Technologia Jakość; 2007, 14, 3
1425-6959
Pojawia się w:
Żywność Nauka Technologia Jakość
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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