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Tytuł:
Effects of Intra-Row Spacing of Pearl Millet (Pennisetum glaucum (L.) R.Br.) and Cropping Systems on Growth and Yields of Soybean-Pearl Millet Intercrop, in the Southern Guinea Savanna, Nigeria
Autorzy:
Ijoyah, Michael Ojore
Hashim, Ishaya Kunzan
Idoko, Joseph Adakole
Powiązania:
https://bibliotekanauki.pl/articles/1190199.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
spacing
intercropping
pearl millet
soybean
Nigeria
Opis:
Field experiments were separately conducted from June to November, in year 2012 at the Research Farm, University of Agriculture, Makurdi, Nigeria and at a Farm in Ibi, Nigeria, to evaluate the effects of intra-row spacing of pearl millet and cropping systems on growth and yields of soybean-pearl millet intercrop, as well as assessing the yield advantages of the intercropping system. The experiment was a 2 x 4 factorial combination of treatments, fitted in a randomized complete block design (RCBD), with four replications. The cropping systems constitute the soles and the intercrop, while the intra-row spacing of pearl millet into soybean were at 15 cm, 20 cm, 25 cm and 30 cm. Results of study showed that sowing pearl millet into soybean at the intra-row spacing of 30 cm produced the highest pearl millet yields of 4.7 t ha-1 and 4.9 t ha-1 respectively, at Makurdi and Ibi locations, as well as producing the highest soybean yields at both locations. In Makurdi, intercropping pearl millet with soybean significantly (P ≤ 0.05) decreased yield of pearl millet by 32.4 % and that of soybean by 29.4 % compared to sole cropping of the component crops, while at Ibi, intercrop yields of pearl millet and soybean were respectively reduced by 35.9 % and 30.0 % compared to their sole yields. Sowing pearl millet into soybean at the intra-row spacing of 30 cm also gave the highest total intercrop yields, highest land equivalent coefficient (LEC) values, highest land equivalent ratio (LER) values of 2.97 and 2.71 and highest percentage (%) land saved (66.3 % and 63.1 % respectively, recorded at Makurdi and Ibi locations). The implication of study showed that it is most advantageous having both crops in intercrop when pearl millet was sown into soybean at the intra-row spacing of 30 cm. This should therefore, be recommended for the southern guinea savanna, Nigeria.
Źródło:
World Scientific News; 2016, 44; 78-99
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Regional geographies of land transport networks in the Pearl River Delta mega-region, China: A longitudinal analysis
Autorzy:
Gao, X.
Li, T.
Powiązania:
https://bibliotekanauki.pl/articles/2140889.pdf
Data publikacji:
2018
Wydawca:
Fundacja Centrum Badań Socjologicznych
Tematy:
transport network
network efficiency
spatiotemporal evolution
Pearl River Delta
PRD
Opis:
This paper uses network-based efficiency measures to evaluate the efficiency implications of the evolution of the transport network in the Pearl River Delta (PRD) over the period 1988-2008. The network-based efficiency measures consider the relative ease of access between cities in terms of weighted relative travel cost. The results indicate that the spatial patterns of network efficiency are different from ‘core-periphery’ pattern derived from classical accessibility indicators. This implies that there are low network efficiency cities and high network efficiency cities in core and peripheral regions at the same time. In the first stage (1988-1998), the efficiency contour shows a ‘corridor’ pattern along the GuangShen traffic corridor between Guangzhou and Shenzhen in the eastern side of the Pearl estuary; in the following decade (1998-2008), with large-scale infrastructural developments, the spatial pattern has changed from a north-south corridor to an east-west contiguous distribution pattern. By 2008, the mean network efficiency value indicates that the efficiency levels within the PRD as a whole are tending towards optimal levels. We conclude by suggesting ways to promote the urban economic development based on the relationship between the network efficiency and per capita GDP.
Źródło:
Journal of Sustainable Development of Transport and Logistics; 2018, 3, 1; 37-52
2520-2979
Pojawia się w:
Journal of Sustainable Development of Transport and Logistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Intra-Row Spacing of Pearl Millet (Pennisetum glaucum (L.) R. Br) and Cropping Systems on the Productivity of Soybean-Pearl Millet Intercropping System in a Southern Guinea Savanna Location, Nigeria. (Part I)
Autorzy:
Ijoyah, Michael Ojore
Hashin, Ishaya Kunzan
Geza, Richard Ter
Powiązania:
https://bibliotekanauki.pl/articles/1193958.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Savanna
Southern Guinea
cropping systems
intra-row spacing
pearl millet
soybean
Opis:
A field experiment was conducted from June to November, during the 2013 and 2014 cropping seasons at the Research Farm, University of Agriculture, Makurdi, Nigeria, to evaluate the effects of intra-row spacing of pearl millet and cropping systems on the productivity of soybean-pearl millet intercrop and to assess the yield advantages of the intercropping system. The experiment was a 3x4 factorial arrangement of treatments, fitted in a randomized complete block design (RCBD), replicated four times. The cropping systems (sole soybean, sole pearl millet and soybean-pearl millet intercrop) constituted the main plots, while the intra-row spacing of pearl millet (15 cm, 20 cm, 25 cm and 30 cm) into soybean were allocated to the subplots. Results of study showed that to maximize intercrop yields of soybean and pearl millet in a soybean-pearl millet intercrop, the optimal intra-row spacing for pearl millet is 30 cm. Intercropping soybean and pearl millet significantly (P ≤ 0.05) reduced yields of soybean (25.0 % and 22.2 % respectively, in years 2013 and 2014) and that of pearl millet (34.4 % and 33.3 % respectively, in years 2013 and 2014). Though, the highest land equivalent ratio (LER) values, highest land equivalent coefficient (LEC) values and lowest competitive ratio (CR) values were recorded for pearl millet sown into soybean at the intra-row spacing of 15 cm, however, highest aggressivity was obtained sowing pearl millet into soybean at the intra-row spacing of 25 cm, the level at which both crops dominated each other.
Źródło:
World Scientific News; 2015, 18; 35-48
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pearl S. Buck and the Forgotten Holocaust of the Two-Ocean War
Autorzy:
Gennero, Valeria
Powiązania:
https://bibliotekanauki.pl/articles/626302.pdf
Data publikacji:
2014
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Opis:
Valeria Gennero Università di Bergamo, Italy During the Second World War, Pearl S. Buck was both a successful novelist and an influential political organizer, involved in  well-known  campaigns  against  racism  and  imperialism. In  January  1942  she  published Dragon  Seed,  a  novel  which described the Japanese sack of Nanking in 1937 and engaged the issues of nationalism and male violence from a gendered perspective. Buck wrote the novel before the United States entered the war: she hoped to promote American awareness of  the  Chinese  fight  for  freedom,  knowing  that  the  tragic events which took place in Nanking after the fall of the city were virtually unknown in the United States. I will argue that, despite its original propagandistic intent, Dragon Seed succeeds-as Buck’s novels often do-in problematizing the notion of national identity, foregrounding the sexual politics of war.  
Źródło:
Review of International American Studies; 2014, 7, 1
1991-2773
Pojawia się w:
Review of International American Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of age and sex on body weight and body dimensions of Pearl grey Guinea fowl (Numida meleagris L.)
Wpływ wieku i płci na masę i wymiary ciała perlic perłowoszarych (Numida meleagris L.)
Autorzy:
Kasperska, D.
Korytkowska, H.
Kokoszynski, D.
Powiązania:
https://bibliotekanauki.pl/articles/44915.pdf
Data publikacji:
2011
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
animal age
animal sex
bird
body weight
body dimension
Numida meleagris
Pearl grey Guinea fowl
Helmeted Guineafowl zob.Pearl grey Guinea fowl
body conformation
Opis:
Sixty pearl grey guinea fowl were investigated. Birds were kept in a closed facility without regard to sex. For the first three weeks, guinea fowl were kept in boxes on plastic mesh floor, and then in straw-bedded pens. They were fed commercial mash diets for turkeys or hens. At the end of 13 and 52 weeks of age, body weight was determined and birds selected for slaughter were subjected to body measurements.As guinea fowl aged, their body weight and body dimensions increased except for lower leg length in males. Compared to 13-week-old males, males aged 52 weeks had significantly higher body weight and highly significantly higher sternum length and chest circumference. As females aged, their body weight, lower leg length and chest circumference increased highly significantly, and sternum length and shank length increased significantly. Males compared to females were characterized by lower body weight at both evaluation times, and by significantly shorter lower leg at 52 weeks of age. The body conformation indices of massiveness, compactness and long-leggedness were higher in older birds.
Badania przeprowadzono na 60 perlicach perłowoszarych. Ptaki utrzymywano w pomieszczeniu zamkniętym, bez podziału na płeć. Przez pierwsze trzy tygodnie perlice utrzymywano w skrzyniach na podłodze z plastikowej siatki, a później w kojcach na słomie i karmiono je przemysłowymi mieszankami paszowymi dla indyków lub kur. Na koniec 13. i 52. tygodnia życia określono masę ciała, a na ptakach wybranych do uboju wykonano pomiary zoometryczne. Wraz z wiekiem stwierdzono zwiększenie masy i wymiarów ciała perlic, z wyjątkiem długości podudzia u samców. Samce w wieku 52 tygodni w porównaniu z 13-tygodniowymi perlikami miały statystycznie istotnie większą masę ciała oraz wysoko istotnie większą długość mostka i obwód klatki piersiowej. U samic wraz z wiekiem odnotowano wysoko istotnie zwiększenie masy ciała, długości podudzia oraz obwodu klatki piersiowej oraz istotne zwiększenie długości mostka i skoków. W obu terminach oceny samce, w porównaniu z samicami charakteryzowały się mniejszą masą ciała, a w wieku 52 tygodni statystycznie istotnie krótszym podudziem. U starszych ptaków stwierdzono większe wartości indeksów ukształtowania ciała masywności, zwięzłości i wysokonożności.
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2011, 10, 3
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
'Pearl in the Crown' Sir Seewoosagur Ramgoolam Botanic Garden Pamplemousses - Mauritius
Krolewski Ogrod Botaniczny Perla w Koronie w Pamplemousses na wyspie Mauritius
Autorzy:
Dankowska, E.
Baranowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/878368.pdf
Data publikacji:
2005
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
Pearl in the Crown Botanic Garden
Pamplemousses District
history
botany
plant collection
Mauritius Island
Źródło:
Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2005, 08
1896-1908
Pojawia się w:
Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Beyond the Garden: On the Erotic in the Vision of the Middle English Pearl
Autorzy:
Spyra, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/641582.pdf
Data publikacji:
2013-11-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Opis:
The Middle English Pearl is known for its mixture of genres, moods and various discourses. The textual journey the readers of the poem embark on is a long and demanding one, leading from elegiac lamentations and the erotic outbursts of courtly love to theological debates and apocalyptic visions. The heterogeneity of the poem has often prompted critics to overlook the continuity of the erotic mode in Pearl which emerges already in the poem’s first stanza. While it is true that throughout the dream vision the language of the text never eroticizes the relationship between the Dreamer and the Pearl Maiden to the extent that it does in the opening lines, the article argues that eroticism actually underlies the entire structure of the vision proper. Taking recourse to Roland Barthes’s distinction between the erotic and the sexual to explain the exact nature of the bond which connects the two characters, the argument posits eroticism as an expression of somatic longing; a careful analysis of Pearl through this prism provides a number of ironic insights into the mutual interactions between the Dreamer and the Maiden and highlights the poignancy of their inability to understand each other. Further conclusions are also drawn from comparing Pearl with a number of Chaucerian dream visions. Tracing the erotic in both its overt and covert forms and following its transformations in the course of the narrative, the article outlines the poet’s creative use of the mechanics of the dream vision, an increasingly popular genre in the period when the poem was written.
Źródło:
Text Matters: A Journal of Literature, Theory and Culture; 2013, 3; 13-26
2083-2931
2084-574X
Pojawia się w:
Text Matters: A Journal of Literature, Theory and Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The pearl mussel Margaritifera margaritifera (Linnaeus, 1758) (Bivalvia: Margaritiferidae) in Poland - current situation
Autorzy:
Zajac, K.
Zajac, T.
Powiązania:
https://bibliotekanauki.pl/articles/83829.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Opis:
The pearl mussel was abundant in the Sudety Mountains until the late 19th century. No live mussels were found within the present borders of Poland since the early 20th century. In 2006–2007 we did a detailed survey of 50 streams and rivers within the former range of the pearl mussel to verify its current status and assess the habitat conditions. No live mussels were found. On the whole, the rivers and streams were found to be degraded. Only four streams met the habitat requirements of the species. Well-preserved shells with a nacre layer were found at the site of the last known population in the Koci Potok stream. To determine whether the shells represented an extinct population or rather indicated the presence of the last survivors, we placed Unio crassus shells in the stream within the historical range of occurrence. Those shells dissolved at the rate of approximately 20% per year, indicating that empty shells would not have remained intact within the channel. Possibly the earlier-found shells had been preserved in the banks above the water level. The possibility that they represent the last survivors can not be excluded. Further search for the last survivors, extended to cover northern Poland, is recommended.
Źródło:
Folia Malacologica; 2014, 22, 3
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cognition, Psychology and Communication Failures: From Inadequate Translations to Pearl Harbor
Autorzy:
Hietaranta, Pertti
Powiązania:
https://bibliotekanauki.pl/articles/2076244.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
translation
cognition
misunderstanding
communication
military intelligence
Opis:
The paper argues that it is possible to provide a partial explanation especially in cognitive, sociological and psychological terms for the fact that the US – Japan negotiations prior to Pearl Harbor in 1941 failed the way they did. The analysis seeks to show in detail how the role of mistranslations of some of the Japanese coded instructions which were sent from Tokyo by Foreign Minister Togo to Ambassador Nomura in Washington, D.C., and intercepted and decoded by the US military sigint personnel contributed to the failure of the negotiations, thereby making the December 1941 events at Pearl Harbor virtually unavoidable.
Źródło:
Kwartalnik Neofilologiczny; 2016, 1; 94-104
0023-5911
Pojawia się w:
Kwartalnik Neofilologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The youngest Devonian record of "Housean pits" in ammonoids
Autorzy:
Rakociński, M.
Powiązania:
https://bibliotekanauki.pl/articles/2059005.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
ammonoids
parasite
pearl formation
"Housean pits"
Polska
Upper Devonian
Opis:
An unusual occurrence of parasitic "Housean pits" in internal mould of ammonoid specimen referred to as Felisporadoceras cf. subvaricatum (Sobolew) from Middle Famennian of Poland are described. Hitherto the youngest representatives of goniatites showing a pitting on the internal moulds were known from the Middle Devonian (lower Givetian), thus, most probably the presented material constitutes the youngest world record of this phenomenon.
Źródło:
Geological Quarterly; 2012, 56, 2; 387-390
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Systemic protection against pearl millet downy mildew disease induced by cell wall glucan elicitors from Trichoderma hamatum UOM 13
Autorzy:
Lavanya, S.N.
Niranjan-Raj, S.
Nayaka, S.C.
Amruthesh, K.N.
Powiązania:
https://bibliotekanauki.pl/articles/65379.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
plant protection
systemic protection
pearl millet
downy mildew
plant disease
cell wall glucan
elicitor
Trichoderma hamatum
defense protein
Opis:
The obligate oomycete Sclerospora graminicola (Sacc.) Schroet, is the incitant of downy mildew disease, which is the main constraint in pearl millet production worldwide. Different elicitors from Trichoderma hamatum UOM 13, e.g. mycelial extract and cell wall glucans, were assessed for their resistance elicitation efficiency and the possible underlying mechanisms. Both mycelial extract and cell wall glucans of T. hamatum UOM 13 positively influenced seed quality parameters of pearl millet, significantly enhanced seed germination and seedling vigor in comparison to the untreated control. Seed priming with cell wall glucan elicitors of T. hamatum UOM 13 suppressed downy mildew on susceptible pearl millet seedlings under greenhouse conditions by induction of systemic host resistance. Of the different elicitor delivery methods tested, transplant root dip was more effective than seed treatment and foliar spray. A combination of transplant root dip + seed treatment + foliar spray was significantly more effective than the single delivery methods. The induced resistance corresponded to up regulation of genes of important defense proteins upon pathogen inoculation. Transcripts of genes of defense enzymes glucanase, phenylalanine ammonia lyase, peroxidase and polyphenoloxidase were significantly increased due to the T. hamatum UOM elicitor effect. Expression of hydroxyproline-rich glycoprotein genes, known to play an important role in cell wall cross-linking, were also up regulated in response to T. hamatum UOM cell wall glucan treatment. This study emphasizes the role of T. hamatum UOM as a potential elicitor of downy mildew resistance in pearl millet and presents novel insights into the involvement of important defense proteins mediating such as resistance trigger.
Źródło:
Journal of Plant Protection Research; 2017, 57, 3
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“A Precious Pearl.” On Liturgical Development
Autorzy:
Jurczak, Dominik
Powiązania:
https://bibliotekanauki.pl/articles/2036368.pdf
Data publikacji:
2018
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
history of the liturgy
development of the liturgy
liturgical reforms
Order of Preachers
Dominican rite
Opis:
Every liturgy grows. The liturgy of the Order of Preachers was no exception. In the 1200s, the friars faced the necessity to revise their customs, texts, and rituals. On the one hand, this situation shows how diverse the 13th-century Christianitas was, and on the other hand, it proved the presence of a desire for unity within the newly formed Order, a struggle to have all the members of the then-worldwide community pray according to the same form. The process leading to that “liturgical consensus” needed by the Preachers back in the 1200s resembles the axioms of the liturgical renewal in the 20th century. The article focuses on the history of the Dominican liturgical developments, highlighting the mindset of the 13th-century Friars Preachers facing changes in the area of prayer. In the context of debates surrounding the liturgy after Vatican II, the author provides a historical perspective in order to show similarities between both processes of liturgical renewal.
Źródło:
Roczniki Teologiczne; 2018, 65, 8 English Online Version; 17-34
2353-7272
Pojawia się w:
Roczniki Teologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of two different field cages for semi-natural rearing of juvenile freshwater pearl mussels, Margaritifera margaritifera (Linnaeus, 1758) (Bivalvia: Unionoidea: Margaritiferidae)
Autorzy:
Denic, M.
Powiązania:
https://bibliotekanauki.pl/articles/83926.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Źródło:
Folia Malacologica; 2018, 26, 4
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of citric acid and hydrogen peroxide on postharvest quality of tuberose (Polianthes tuberosa L. ‘Pearl’) cut flowers
Autorzy:
Rahimian-Boogar, A.
Salehi, H.
Mir, N.
Powiązania:
https://bibliotekanauki.pl/articles/1914.pdf
Data publikacji:
2016
Wydawca:
Instytut Ogrodnictwa
Źródło:
Journal of Horticultural Research; 2016, 24, 1
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
What Support do Systematic Reviews Provide for Evidence-informed Teaching about Software Engineering Practice?
Autorzy:
Budgen, David
Brereton, Pearl
Williams, Nikki
Drummond, Sarah
Powiązania:
https://bibliotekanauki.pl/articles/953058.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
systematic review
education
provenance
Opis:
Background: The adoption of the evidence-based research paradigm by software engineering researchers has created a growing knowledge base provided by the outcomes from systematic reviews. Aim: We set out to identify and catalogue a sample of the knowledge provided by systematic reviews, to determine what support they can provide for an evidence-informed approach to teaching about software engineering practice. Method: We undertook a tertiary study (a mapping study of systematic reviews) covering the period to the end of 2015. We identified and catalogued those reviews that had findings or made recommendations that were considered relevant to teaching about industry practice. Results: We examined a sample of 276 systematic reviews, selecting 49 for which we could clearly identify practice-oriented findings and recommendations that were supported by the data analysis provided in the review. We have classified these against established software engineering education knowledge categories and discuss the extent and forms of knowledge provided for each category. Conclusion: While systematic reviews can provide knowledge that can inform teaching about practice, relatively few systematic reviews present the outcomes in a form suitable for this purpose. Using a suitable format for presenting a summary of outcomes could improve this. Additionally, the increasing number of published systematic reviews suggests that there is a need for greater coordination regarding the cataloguing of their findings and recommendations.
Źródło:
e-Informatica Software Engineering Journal; 2020, 14, 1; 7-60
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł

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