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Tytuł:
Indebtedness among farmers in Haryana state, India
Zadłużenie wśród rolników w stanie Hariana w Indiach
Autorzy:
Jakhar, B.
Kait, R.
Powiązania:
https://bibliotekanauki.pl/articles/2048609.pdf
Data publikacji:
2021
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Tematy:
spices
area
production
productivity
compound growth rate
Opis:
Subject and purpose of work: The study aims to evaluate the growth performance of spice crops in Haryana state of India. Materials and methods: The study is based on secondary data obtained over the period of 17 years i.e., from 2001-2002 to 2017-2018. Four spice crop – ginger, turmeric, garlic and fenugreek were selected from rabi and kharif season on the basis of the largest area sown. In order to analyze the data descriptive statistics (mean and C.V.) and CGR (compound growth rate) were employed. Results: The study revealed a significant positive growth rate of 2.20%, 4.50% and 2.20% in the area, production and productivity of ginger in the district of Panchkula, respectively. In the district of Yamunanagar, a growth rate 13.80% and 10.20% was found in the area and production of turmeric. However, a negative productivity growth rate of -3.20% was also revealed. A positive growth rate 1.50%, 3.30% and 0.17% was found in the area, production and productivity of garlic in Karnal district. In the district of Yamunanagar, a growth rate for fenugreek of 7.30% and 7.60% and 13.90% in the area, production and productivity was found. The state of Haryana recorded a significant growth of 1.7%, 2.8% and 1.1% per annum in the area, production and productivity of spice crops respectively. Conclusions: The study revealed a positive growth rate across all the selected spice crops, indicating improving prospects of spice crops in Haryana state.
Źródło:
Economic and Regional Studies; 2021, 14, 3; 346-357
2083-3725
2451-182X
Pojawia się w:
Economic and Regional Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The concept of "smart village" in legal acts and official documents of the European Union
Autorzy:
Szpor, Grażyna
Powiązania:
https://bibliotekanauki.pl/articles/2191390.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie SILGIS
Tematy:
smart village
smart village definition
smart rural area
smart growth
Internet of things
EU Law
cybersecurity
inteligentna wieś
definicja inteligentnej wsi
inteligentny obszar wiejski
inteligentny rozwój
Internet rzeczy
prawo UE
cyberbezpieczeństwo
Opis:
Regulation (EU) 2021/1060 of the European Parliament and of the Council of 24 June 2021 provides for the need to include initiatives such as “Smart Villages” in territorial development strategies. An explanation is needed for the purposes of constructing and implementing this element of the strategy. The research undertaken for this purpose started with a structural analysis, which showed, among other things, that the terms smart village and smart villages occur in about 100 legal acts and its preparatory documents of the European Union from the period between 2015 and 2021. A general definition of smart village as a concept that aims to develop services through digital technologies and better use of knowledge, for the benefit of inhabitants and businesses, is provided in a 2017 Commission document. Although a later opinion of the European Committee of the Regions, proposed replacing this term with smart rural areas; both phrases appear in the most recent documents. A contextual analysis of the 2020 and 2021 acts and documents shows expanded common elements of the smart village and smart city concepts compared to the original ones. This provides justification to the search for theoretical support in publications on smart cities, which, in addition to the opportunities and benefits, also points to the need to strengthen personal data protection and cybersecurity.
Źródło:
GIS Odyssey Journal; 2021, 1, 1; 47--59
2720-2682
Pojawia się w:
GIS Odyssey Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Carbon consumption of developing fruit and the fruit bearing capacity of individual RoHo 3615 and Pinova apple trees
Autorzy:
Penzel, M.
Lakso, A.N.
Tsoulias, N.
Zude-Sasse, M.
Powiązania:
https://bibliotekanauki.pl/articles/2082957.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
fruit growth rate
fruit respiration
leaf area
LiDAR
precision horticulture
Opis:
This paper describes an approach to estimate the photosynthetic capacity and derive the optimum fruit number for each individual tree, in order to achieve a defined fruit size, which is named as the fruit bearing capacity of the tree. The estimation of fruit bearing capacity was carried out considering the total leaf area per tree as measured with a 2-D LiDAR laser scanner, LALiDAR, and key carbon-related variables of the trees including leaf gas exchange, fruit growth and respiration, in two commercial apple orchards. The range between minLALiDAR and maxLALiDAR was found to be 2.4 m² on Pinova and 4.3 m² on RoHo 3615 at fully developed canopy. The daily C requirement of the growing fruit and the associated leaf area demand, necessary to meet the average daily fruit C requirements showed seasonal variation, with maximum values in the middle of the growing period. The estimated fruit bearing capacity ranged from 33-95 fruit tree-1 and 45-121 fruit tree-1 on the trees of Pinova and RoHo 3615, respectively. This finding demonstrates sub-optimal crop load at harvest time in both orchards, above or below the fruit bearing capacity for individual trees. In conclusion, the LiDAR measurements of the leaf area combined with a carbon balance model allows for the estimation of fruit bearing capacity for individual trees for precise crop load management.
Źródło:
International Agrophysics; 2020, 34, 4; 409-423
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Indukcyjna metodyka prognozy rozwoju zasobów drzewnych
Inductive methodology of the forecast of wood resources development
Autorzy:
Wysocka-Fijorek, E.
Zajączkowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/979067.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
harvest growth increment
volume
area
resource modelling
Opis:
For effective forest management, comprehensive information on the condition and structure of wood resources is needed, as well as a forecast of their development and the possibility of harvest cutting in the long term. The paper objectives is to present a methodology of predicting the development of wood resources and the possibility of main cutting based on the current state of the forest. Presented methodology of the forecast preparation is based on the inductive type of prediction in which future directions of changes are predicted based on past events. Such forecast finds expression of conscious human activity in actively shaping the future, while it does not seek to determine the target state of the forest, but it is assumed that shaping the state of the forest can be subject to constant evolution. The forecast of the development of wood resources in individual forest areas may be based on the data contained in the forest management plans, and these data may be compiled either for individual forest districts (or other forest units), or for groups of forest districts (e.g. for regional directorates of the State Forests, or the State Forests in total). The initial data, necessary to make forecasts, are primarily: a tabular comparison of the stands area and volume in age classes and subclasses; projected afforestation area; intensity indicators of final cutting and intermediate felling determining the harvesting intensity in relation to the size of wood resources in individual classes and age subclasses; and the expected volume of current volume increment over the adopted forecast periods. Additional data contains: approximate share of clear− and complex cutting in final felling; adopted distribution according to the age classes of the young generation after removal cuts in stands kept in complex cutting; average length of the regeneration period; and average age of stands in regeneration classes – used to determine the average age in forest areas for which a forecast is made. Presented methodology makes it possible to determine and analyse anticipated changes in area and volume in age classes, average age and average stand volume as well as possibilities of final and intermediate cutting, and the harvesting intensity in relation to the size of wood resources and the current volume increase in the adopted forecast periods.
Źródło:
Sylwan; 2020, 164, 04; 267-279
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zapis zmian zachodzących w środowisku przez sosnę zwyczajną oraz sosnę Banksa
Record of the changes in environment by Scots pine and Jack pine trees
Autorzy:
Wilczyński, S.
Powiązania:
https://bibliotekanauki.pl/articles/979308.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
basal area increment
growth reduction
pollution
air temperature
dendroclimatology
Opis:
The aim of the study was to investigate how industrial pollutants and change of thermal conditions of winter season in the second half of the 20th century affected the basal area increment (BAI) and the climatic signal in the BAI chronologies of Pinus sylvestris and Pinus banksiana. Samples were collected from 21 trees of both species growing in the Chrzanów Forest District (50°20' N, 19°47' E) which is located between the Upper Silesian and Krakow Industrial Regions. Two cores were taken from each tree. Tree−ring widths were measured at the cores and the BAI for each year in the period 1930−2016 was calculated. The growth reductions of both pine species in the years 1951−1970, increasing of diversity of growth reactions from year to year and also reduction of strength of climatic signal in the period 1963−1994 may have been caused by industry pollution. The reduction of wood growth, the increase of the diversity of short−term incremental reactions and also the reduction of strength of the climatic signal were greater in Jack pine. This indicates that Scots pine was more resistant to pollution. As an industrial production declined and environmentally friendly technologies were introduced in the 1990s homogeneity of growth reactions and strength of dependence between BAI and climate parameters in both species increased. A significant increase in the strength of the relationship between January temperature and BAI of Scots pine and Jack pine was observed in the early 2000s. This may suggest that the vegetation season starts already in January in the study area.
Źródło:
Sylwan; 2020, 164, 07; 583-593
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the effect of city growth on the development of hinterland region in Cianjur Regency
Autorzy:
Rizal, Achmad
Nurruhwati, Isni
Powiązania:
https://bibliotekanauki.pl/articles/1076570.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Cianjur Regency
disparity
growth center area
hinterland region
Opis:
This study aims to determine the effect of the growth center through the magnitude of economic growth in the growth center region and its influence on the economic growth of the hinterland region in 2013 to 2017 by using correlation analysis and to find out the income gaps that occur in the growth center and the hinterland region in 2013 until with 2017 using Williamson's index analysis. This study uses an explanatory method with secondary data cited from the Office of the Central Statistics Agency of Cianjur District and literature studies. Correlation results show that the center of the development sub-region is able to influence the development and growth of the back area (hinterland) and vice versa. Williamson index analysis results show that the city area of Cianjur Regency as a center of growth has a role in the development of the region in Sub-district of Cianjur Regency, this is indicated by the low value of the Williamson index that occurs as a whole between the growth center and the hinterland area of 0.54958 with the lowest average value 0.42988 and the highest average value of 0.74544.
Źródło:
World Scientific News; 2019, 115; 260-268
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Visual Quality and Morphological Responses of Rosemary Plants to UV-B Radiation and Salinity Stress
Autorzy:
Hamidi-Moghaddam, Abolghasem
Arouiee, Hossein
Moshtaghi, Nasrin
Azizi, Majid
Shoor, Mahmoud
Sefidkon, Fatemeh
Powiązania:
https://bibliotekanauki.pl/articles/125194.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
aesthetic value
chlorophyll
growth index
leaf area index
ultraviolet radiation
Opis:
In order to understand the effects of ultraviolet-B (UV-B) radiation and salinity stress on the visual quality and morphological parameters, one-year-old seedlings of rosemary (Rosmarinus officinalis L.) were grown under three UV-B levels (0, 4.32, 6.05 kJ m-2 d-1) and four salinity regimes (Control, 50, 100 and 150 mM NaCl) under greenhouse conditions. The results showed that enhanced UV-B radiation increased visual quality, growth index, plant biomass, shoot/root ratio, number of branches and leaves, leaf fresh and dry weight, leaf area index, specific leaf area, leaf thickness. The UV-B radiation had no significant effect on root length; however, shoot height, length of axillary shoots, length of inter node, leaf area, leaf length and width and concentration of chlorophyll b were negatively impacted by the UV-B radiation. On the other hand, salinity caused a significant decrease in plant biomass, root length, shoot height, shoot/root ratio, length of axillary shoots, length of inter node, number of branches and leaf area, leaf area index, leaf length and width, leaf fresh and dry weight, specific leaf area and concentration of Photosynthetic pigments. However, the number leaves and leaf thickness significantly increased under NaCl salinity treatments. Visual quality and growth index were hardly affected by increasing salinity until 100 mM, but declined clearly at 150 mM NaCl salinity. The interaction between UV-B irradiation and salinity showed that pre-treatment with UV-B irradiation alleviated the harmful effects of NaCl and improved the visual quality rosemary plants.
Źródło:
Journal of Ecological Engineering; 2019, 20, 2; 34-43
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ przyjęcia euro przez Słowację na podstawowe wskaźniki makroekonomiczne. Analiza porównawcza z Czechami jako krajem spoza UGiW
The Influence of the Euro Adoption by Slovakia on Its Basic Macroeconomic Indicators. Comparative Analysis with the Czech Republic as a Country from Outside the EMU
Autorzy:
Grabia, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/558052.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Warszawski. Centrum Europejskie
Tematy:
Euro Area;
Endogeneity of the Optimal Currency Area;
Economic Growth;
Unemployment;
Inflation;
Opis:
The aim of the article is to present the influence of the euro adoption by Slovakia on the basic macroeconomic indicators. The study period was assumed to be 2001–2017, with additional division into sub-periods 2001–2008 and 2009–2017, hence before and after the euro adoption by Slovakia. An attempt to verify the following hypotheses was made: 1) the decision on the adoption of the euro by Slovakia was favourable in terms of the main macroeconomic indicators (economic growth, unemployment and growth rates); 2) in the case of Slovakia the theory of endogeneity of the optimal currency area criteria has been confirmed. In order to verify the hypotheses, a comparative analysis was conducted with the Czech Republic – the country neighbouring Slovakia and, until recently, constituting one common state with it. On the basis of the conducted analysis, it was found that these hypotheses should not be verified neither positively nor negatively.
Źródło:
Studia Europejskie - Studies in European Affairs; 2019, 2; 65-90
1428-149X
2719-3780
Pojawia się w:
Studia Europejskie - Studies in European Affairs
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Population size change in rural areas of West Pomeranian voivodeship in 2011-2014
Autorzy:
Ossowska, L.
Bartkowiak-Bakun, N.
Powiązania:
https://bibliotekanauki.pl/articles/43664.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:
population size
size change
population growth
natural increase
net migration
rural area
West Pomeranian voivodship
2011-2014 period
Źródło:
Journal of Agribusiness and Rural Development; 2018, 47, 1
1899-5241
Pojawia się w:
Journal of Agribusiness and Rural Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Age, growth rate, and otolith growth of polar cod (Boreogadus saida) in two fjords of Svalbard, Kongsfjorden and Rijpfjorden
Autorzy:
Fey, D.P.
Weslawski, J.M.
Powiązania:
https://bibliotekanauki.pl/articles/49041.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
polar cod
Boreogadus saida
age
growth rate
annual ring
fish size
Svalbard Fjord
Kongsfjorden area
Opis:
This work presents biological information for polar cod (Boreogadus saida) collected with a Campelen 1800 shrimp bottom trawl in Kongsfjorden (two stations located in the inner part of the fjord adjacent to the glacier) and Rijpfjorden (one station at the entrance to the fjord) in September and October 2013. The otolith-based ages of polar cod collected in Kongsfjorden (6.1–24 cm total length TL; n = 813) ranged from 0 to 4 years. The growth rate was relatively constant at approximately 4.7 cm year−1 between years 1 and 4, which indicates that growth was fast in the glacier area. The ages of polar cod collected in Rijpfjorden (8.6–15.9 cm TL; n = 64) ranged from 2 to 3 years. The fish from Rijpfjorden were smaller at age than those from Kongsfjorden, and their growth rate between years 2 and 3 (no other age classes were available) was approximately 3.3 cm year−1. In both fjords, males and females were of the same size-at-age and the same weight-at-TL. The small sampling area means that the results on growth rate are not representative of the entire fjords. Instead, the results can be discussed as presenting the possible growth rates of some populations. A strong relationship was identified between otolith size (length and weight) and fish size (TL and TW), with no differences between males and females or the fjords. A significant, strong relationship was also noted between fish and otolith growth rates.
Źródło:
Oceanologia; 2017, 59, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Podejście potencjałowe do analizy miejskich obszarów funkcjonalnych
Potential-Based Approach to the Analysis of Functional Urban Areas
Autorzy:
Baron, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/591086.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Metropolia
Miasto
Miejski obszar funkcjonalny
Potencjał rozwojowy
City
Functional urban area
Growth potential
Metropolis
Opis:
W artykule zaprezentowano podejście metodyczne do analizy miejskich obszarów funkcjonalnych (MOF) przez pryzmat ich potencjałów rozwojowych. Przedstawiono rozwiązanie koncepcyjne w tym zakresie oraz wyniki badania pilotażowego polskich metropolitalnych MOF. Według przyjętej metodyki można je sklasyfikowa w 3 podzbiory. Pierwszym – jednoelementowym – jest MOF Warszawy. Podzbiór drugi, wyróżniających się metropolitalnych MOF, tworzą MOF: Gdańska, Krakowa, Poznania oraz Wrocławia. Do trzeciego podzbioru pozostałych metropolitalnych MOF należą MOF: bydgosko-toruński, Katowic, Lublina, Łodzi i Szczecina. Artykuł wieńczą wnioski metodyczne do dalszych badań.
A method concerning the potential-based approach to the analysis of functional urban areas (FUAs) is presented in the paper. The idea was conceptualized and tested in a pilot study on Polish metropolitan FUAs. Using the proposed method, they can be divided into the FUA of Warsaw (capital of Poland) and two groups: good performers (FUAs of Gdansk, Krakow, Poznan, Wroclaw) and remaining Polish metropolitan FUAs (of Bydgoszcz & Torun, Katowice, Lublin, Lodz, Szczecin). Perspectives on further studies complete the paper.
Źródło:
Studia Ekonomiczne; 2015, 250; 50-62
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of sodium chloride on growth and quality of Plectranthus forsteri Benth. ‘Nico’
Autorzy:
Krzyminska, A.
Ulczycka-Walorska, M.
Powiązania:
https://bibliotekanauki.pl/articles/1884.pdf
Data publikacji:
2015
Wydawca:
Instytut Ogrodnictwa
Tematy:
Plectranthus forsteri
Nico cultivar
sodium chloride
growth
quality
pot cultivation
urbanized area
Źródło:
Journal of Horticultural Research; 2015, 23, 1
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozkład obszarów wzrostu i obszarów stagnacji gospodarczej w Polsce w latach 2000–2010
Spatial and temporal distribution of growth and stagnation areas in Poland in years 2000–2010
Autorzy:
Borowczak, Anna
Dolata, Michał
Powiązania:
https://bibliotekanauki.pl/articles/1023197.pdf
Data publikacji:
2014-03-20
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
growth area
stagnation area
polarization patterns in economic development
spatial volatility of economic development
obszary wzrostu i obszary stagnacji gospodarczej
polaryzacja rozwoju
przestrzenne zróżnicowanie poziomu rozwoju
Opis:
Głównym celem opracowania jest analiza rozkładu obszarów wzrostu i obszarów stagnacji gospodarczej oraz jego zmienności w czasie, przeprowadzona w oparciu o badanie poziomu i dynamiki rozwoju społeczno-gospodarczego w ujęciu wieloaspektowym (całościowym). Identyfikacja tego rozkładu odbywa się w układzie 379 powiatów Polski (NUTS 4/LAU 1) w odniesieniu do okresu 2000–2010. Przyjęty układ przestrzenny umożliwia rozpatrywanie procesów polaryzacji w kontekście rozmieszczenia obszarów cechujących się różnymi uwarunkowaniami procesów rozwojowych, wynikającymi zarówno ze współczesnych procesów globalizacji, jak i utrzymujących się reliktowych podziałów przestrzeni ekonomicznej Polski.
The main aim of this study is to identify the spatial and temporal distribution of economic growth and stagnation areas carried out for the holistic (multifaceted) approach to the socio-economic development. The analysis is performed in the set of 379 poviats of Poland (NUTS 4/LAU 1 units) and embraces the period of 2000–2010. Spatial setting applied in the study enables verification of the polarization processes in the context of positioning the areas characterized by various developmental conditions resulting together from modern globalization and persistence of still relevant relict divisions of the economic space in Poland.
Źródło:
Rozwój Regionalny i Polityka Regionalna; 2014, 25; 47-67
2353-1428
Pojawia się w:
Rozwój Regionalny i Polityka Regionalna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of municipal solid waste on the growth of maize (Zea mays L.)
Autorzy:
Simeon, P.O.
Ambah, B.
Powiązania:
https://bibliotekanauki.pl/articles/11002.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
municipal solid waste
plant growth
maize
Zea mays
pot experiment
greenhouse
growth parameter
plant height
leaf area
statistical analysis
Opis:
A pot experiment was conducted in the green house to determine the effect of municipal solid waste on the growth of maize (zea mays). Growth parameters of percentage emergence, plant height, leaf area and number of levers per plant were collect and subjected into statistical analysis, using ANOVA and fisher’s L.S.D. at 5 % probability level. Plant growth parameters decreased with increase in cropping cycle. Similarly, maize grown on dumpsite soils did better than the control soil samples. It show increase in plant height, leaf area and number of leaves per plant at a range of 16.82 cm to 12.87 cm, 5 to 4 and 64.69 cm to 59.88 cm for the dumpsite and control samples respectively. Soil PH, organic matter (OM), total Nitrogen (N), Phosphorus (P), Potassium (K), Calcium (Ca), Magnesium (Mg), Sodium (Na) and Effective Cat-ion Exchange Capacity (ECEC) decreased with increase in cropping cycle respectively. The Dumpsite soil sample recorded higher mean values than the control (P < 0.05). There is every indication that municipal solid waste is beneficial to plant if only proper and careful sorting and separation of hazardous waste is done.
Źródło:
International Letters of Natural Sciences; 2013, 02
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of N Pro technology and Seactiv complex on growth, yield quantity and quality of ‘Szampion’ apple trees
Wpływ technologii N Pro i kompleksu Seactiv na wzrost, wielkość i jakość plonu jabłoni odmiany ‘Szampion’
Autorzy:
Kapłan, M.
Baryła, P.
Krawiec, M.
Kiczorowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/11542526.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
N Pro technology
Seactiv complex
plant growth
yield quantity
yield quality
Szampion cultivar
apple tree
marine alga
fertilization
cropping efficiency coefficient
fruit weight
annual growth
leaf surface area
Opis:
Recent years have been marked with a more common use of mineral fertilizers comprising marine algal extracts in horticultural production. Seaweed extracts are reported to possess, among others, biostimmulatory potential that improves yield growth and its quality as well as promotes plant resistance to adverse environmental agents. The marine alga processing technologies facilitate the extraction of active substances valuable for plant crops as stimulants for a number of plant physiological processes. The substances can be incorporated into both, soil or foliar applied fertilizers. The present research objective was to assess the influence of N Pro technology and Seactiv complex based on marine algal extracts on apple tree ‘Szampion’ growth, yield quantity and quality. The experimental material comprised ‘Szampion’ apple trees grafted on M.26 stock, the trees were aged 10 years at the experiment onset. The study aimed at evaluation of growth, yield quantity and quality of ‘Szampion’ apple trees fertilized according to two following programs. The measurements performed showed that introduction of the fertilization programs based on marine algal extracts had significant effect on total yield, one fruit weight, firmness and sugar extract content in apple tree ‘Szampion’ fruits. It was found that the N Pro technology and Seactiv complex had significantly beneficial influence on the percentage of big fruits, i.e. above 7.5 cm diameter and marketable yield in each experimental year. Cropping efficiency coefficient (CEC) of ‘Szampion’ apple trees fertilized according to N Pro technology and Seactiv base was significantly higher compared to control solely in 2008, in the other research years the differences were insignificant. The fertilization program based on marine algal extracts had positive influence on the ‘Szampion’ apple tree`s annual increments and each year the trees under N Pro and Seactive complex fertilization technology produced higher increments as against control; the differences in the last research year were significant. The N Pro technology and Seactiv base had positive impact on ‘Szampion’ apple tree leaf surface area, significant influence was observed in the second and third research year.
W ostatnich latach w produkcji ogrodniczej coraz częściej stosuje się nawozy mineralne wzbogacone w substancje pochodzące z wyciągów z alg morskich, którym przypisuje się liczne właściwości, m.in. o charakterze biostymulującym (korzystny wpływ na wzrost i jakość plonu oraz zwiększanie odporności na niekorzystne czynniki środowiska). Dzięki opracowanym technologiom przetwarzania alg morskich udało się wyekstrahować ważne dla upraw roślinnych związki, które stymulują wiele procesów fizjologicznych w roślinach. Związki te mogą być dodawane zarówno do nawozów doglebowych, jak i dolistnych. Celem przeprowadzonego doświadczenia była ocena wpływu technologii N Pro i kompleksu Seactiv bazujących na wyciągach z alg morskich na wzrost, wielkość i jakość plonu jabłoni odmiany ‘Szampion’. Materiałem doświadczalnym były drzewa odmiany ‘Szampion’ okulizowane na podkładce M.26 w wieku 10 lat w momencie rozpoczęcia doświadczenia. W doświadczeniu oceniano wzrost, wielkość i jakość plonu drzew jabłoni odmiany ‘Szampion’ nawożonych dwoma programami. Na podstawie przeprowadzonych pomiarów wykazano, że zastosowanie programu nawozowego opartego na wyciągach z alg morskich nie miało istotnego wpływu na plon ogólny, masę jednego owocu, jędrność oraz zawartość ekstraktu cukrowego owoców jabłoni odmiany ‘Szampion’. Wykazano, że technologia N Pro i kompleks Seactiv miały istotnie korzystny wpływ na procentową liczbę owoców dużych, tj. o średnicy powyżej 7,5 cm, oraz plon handlowy w poszczególnych latach badań. Współczynnik intensywności owocowania drzew jabłoni odmiany ‘Szampion’ nawożonych technologią N Pro i kompleksem Seactiv był istotnie większy niż w kontroli tylko w 2008 r., w pozostałych latach różnice te były nieistotne. Program nawozowy oparty na ekstraktach z wodorostów wpływał korzystnie na długość jednorocznych przyrostów jabłoni odmiany ‘Szampion’, corocznie drzewa nawożone technologią N Pro i kompleksem Seactiv tworzyły dłuższe przyrosty niż kontrolne, w ostatnim roku badań różnice te były istotne. Technologia N Pro i kompleks Seactiv wpłynęły korzystnie na pole powierzchni liści drzew jabłoni odmiany ‘Szampion’, w drugim i trzecim roku badań wpływ ten był istotny.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2013, 12, 6; 45-56
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 25

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