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Tytuł:
Analysis of trend changes in degree-day values of heating and cooling: broiler breeding case
Autorzy:
Yucel, A.
Atilgan, A.
Erdem, N.
Oz, H.
Powiązania:
https://bibliotekanauki.pl/articles/101664.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
broiler
linear regression analysis
spearman rank correlation test
temperature
trend analysis
Opis:
An ideal broiler house should be designed to minimize the effects of weather changes and to keep indoor conditions at the comfort temperature of the animals. In this case, this should be done with minimum cost and possible lowest operating costs. Degree-day methods are used in order to have knowledge of the energy need of any structure. With this method, the measured values or meteorological data can be used to give information about the heating and cooling energy quantities of structures. Depending on the climate change in recent years, the changes need to be examined that have taken place in order to provide optimum comfort in animal barn. Isparta province and districts were selected as the study area. The longterm average daily temperature values are used from meteorological stations of the selected region. The heating and cooling degree day values were calculated for selected balance temperatures in broiler breeding. Linear Regression Analysis and Spearman Rank Correlation Test were conducted to determine the changes of these values due to climate change. In conclusion, it was determined that there were statistically significant trends at 5% significance level in Egirdir (21°C), Isparta (31-29-25 and 23°C), Kasimlar (18°C), Senirkent (31-29-25-23 and 21°C), Sutculer (all selected balance temperature values) and Yalvac (31-29-25-23 and 21°C) in terms of heating degree-day values, and in Atabey (29-25-23-21 and 18°C), Barla (25-23 and 21°C), Isparta (23-21 and 18°C), Senirkent (29- 25-23-21 and 18°C), Sutculer (29-25-23-21 and 18°C), Sarkikaraagac (25-23-21 and 18°C), Uluborlu (25-23-21 and 18°C) and Yalvac (25-23-21 and 18°C) in terms of cooling degree-day values. As a result, it has been concluded that more energy consumption will be a concern for heating and cooling of the broiler house that will be built in the province of Isparta.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/2; 645-660
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of heating and cooling day values using degree-day method: tomato plant example
Autorzy:
Yucel, A.
Atilgan, A.
Oz, H.
Saltuk, B.
Powiązania:
https://bibliotekanauki.pl/articles/62259.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
determination
heating value
cooling value
degree days method
tomato plant
greenhouse
Opis:
Based on the amount and duration of external temperature, degree day values are determined according to whether the selected equilibrium temperature is lower or higher than the air temperature. Degree day values are calculated according to the fluctuations in ambient temperature. It can be understood whether heating or cooling systems are necessary within the calculated periods. In this study, the meteorological data of Antalya region dating back many years and the temperature values suggested according to the cultivation periods of tomato in greenhouse environment have been used as material. The daily average temperature values recorded for many years have been compared with the equilibrium temperature values selected for the tomato plant thereby calculating the heating and cooling day values for each cultivation period. Tomato cultivation in greenhouses is carried out in 2 periods in the region in spring and autumn. At the end of these two periods, it was determined that the heating degree days in autumn were determined to be higher than that in spring. Whereas cooling degree days were determined to be greater for autumn cultivation in comparison with that of spring cultivation. Information regarding the energy consumption of an agricultural structure can be obtained beforehand via the heating and cooling degree day values. It has been surmised that such studies will help in making estimations regarding the energy need of various agricultural structures as well as gaining insight in the planning of the design stages that are directly related to the energy consumption of the building such as heating, cooling and ventilation.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2014, IV/1
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The investigation of relationship of heating and cooling degree hour calculations for Southeastern Anatolia Region with altitude, latitude and longitude
Autorzy:
Yucel, A.
Atilgan, A.
Oz, H.
Saltuk, B.
Powiązania:
https://bibliotekanauki.pl/articles/101504.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
altitude
cooling
degree-hours
heating
latitude
longitude
Opis:
Degree-day values can be calculated using climatic data. Thus, seasonal, monthly, daily and hourly energy requirements for heating and cooling in buildings can be calculated. The effect of outside ambient temperature can be determined by means of the degree-day method in determining the basic temperature values in buildings. The altitude and latitude affect significantly the temperature distribution in the Earth. Thus, the latitude and altitude values are required to determine the degree hour values. This study was taken in 9 provinces located in the Southeastern Anatolia Region (SAR). The annual outdoor dry-bulb thermometer temperatures for a long period of nine provinces in the SAR were obtained to determine heating and cooling degree hour values according to the six different base temperatures. According to the suggested six different base temperature values, the cumulative long-term annual heating degree-hour (HDH) value was 50862 in total for Gaziantep province. The lowest cumulative long-term annual heating degree-hour value took place in Sanliurfa province as 39638. Also, the highest total cooling degree-hour (CDH) value took place in Sanliurfa province as 10886 degree-hour value and the lowest value took place in Sirnak province as 3909. It was determined that there was not an exact linear or monotonous relationship between HDH and CDH values and altitude, latitude and longitude values. However, although it was seen that the relationship of CDH values with the altitude was not a formal linear or monotonous relationship, it was determined that CDH values decreased linearly together with the increasing altitude values when the values were examined.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2016, III/1; 673-683
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vegetative measures regarding animal manure management based water pollution; sustainable agricultural infrastructure and innovative strategies within the example of Küçük Menderes Basin
Autorzy:
Yoldaş, Funda
Çardakçi, Yücel
Atilgan, Atılgan
Powiązania:
https://bibliotekanauki.pl/articles/2131642.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
vegetative measures
animal manure infrastructure
water pollution
sustainable agricultural practices
Opis:
In Turkey, the renewable water potential per capita is rapidly decreasing in response to the increasing population. Of the 234 billion m3 renewable water potential of our country, 41 billion m3 consists of groundwater and 193 billion m3 consists of rivers. One of the measures to be taken in order to protect renewable water resources in our country, which is not rich in water, is to try to minimize the damage to ground and surface waters caused by solid and liquid wastes that occur in animal shelters. This damage occurs especially with the washing of negatively charged nitrate in the fertilizer content by factors such as precipitation and the increase in the nitrate level of water resources. For the prevention and reduction of environmental problems arising from the said polycultural enterprises; Ecological evaluation of the transition to sustainable farming methods is one of the elements of urgency for the ecological sustainability of animal husbandry. In this study; the definition, scope and briefly the principles of sustainable agricultural methods for the management of nitrate pollution, which is one of the most important parameters that cause water pollution from agricultural production, are emphasized, the reasons for the transition to sustainable agricultural methods are explained, and the necessity and applicability of closely monitoring these developments in İzmir, which has a great potential in terms of animal existence, has been discussed on a basin basis. In addition, in terms of different animal production branches, the situation of animal manure management infrastructure together with plant production has been evaluated and some suggestions have been made with innovative strategies on the basis of basin that can be an example pilot.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2022, nr I/1; 61-73
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Defining Irrigation Scheduling Based on Crop Water Stress Index and Physiological Parameters for Hybrid Corn in Semi-Arid Climate
Autorzy:
Ucak, Ali Beyhan
Saltuk, Burak
Rolbiecki, Roman
Atilgan, Atilgan
Powiązania:
https://bibliotekanauki.pl/articles/2174923.pdf
Data publikacji:
2022
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
corn
crop water stress index
irrigation time
correlation
Opis:
The goal of this study is to determine the crop water stress index (CWSI) and irrigation scheduling based on CWSI values, as well as to examine the correlations between CWSI, physiological parameters and grain yield of hybrid corn P31A34 in semi-arid climate conditions. In 2014 and 2015, the upper limit (UL) temperatures at which plants were entirely exposed to water stress were 1.178°C and 2.38°C, respectively. When the corn grain yield began to decline, the CWSI threshold value was 0.34, indicating the yield limit. Grain yield, crop water consumption, crop water stress index, chlorophyll content, water use efficiency and leaf area index were found to have negative correlations (p ≤ 0.01) with CWSI values in both years of the study. The findings revealed that in semi-arid climate conditions, a maximum of 30% water deficit could be used during the growing period of the corn compared to full irrigation (I100) for water savings and that a water deficit greater than 30% results in considerable grain yield losses. In areas with limited water resources, the moderate water deficit (I70) may be a viable alternative to the I100.
Źródło:
Rocznik Ochrona Środowiska; 2022, 24; 231--245
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Derinkuyu dry bean irrigation planning in semi-arid climate by utilising crop water stress index values
Autorzy:
Uçak, Ali B.
Atılgan, Atılgan
Korytowski, Mariusz
Kocięcka, Joanna
Liberacki, Daniel
Stachowski, Piotr
Saltuk, Burak
Rolbiecki, Roman
Powiązania:
https://bibliotekanauki.pl/articles/28411640.pdf
Data publikacji:
2023
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
dry bean
crop water stress index
CWSI
irrigation time
plant water stress index
Turkey
Opis:
This study was conducted to determine crop water stress index (CWSI) values and irrigation timing in the case of Derinkuyu dry bean (Phaseolus vulgaris L.). In 2017, dry beans were grown as the main crop according to the field design consisting of plots divided into randomised blocks. Irrigation treatment comprised full irrigation (I100) and irrigation issues with three different levels of water stress (I66, I33, I0). This study applied 602 mm of water under the I100 irrigation. The yield of Derinkuyu dry beans was equal to 3576.6 kg∙ha-1 in I100 irrigation. The lower limit (LL) value, which is not necessary for the determination of CWSI, was obtained as the canopy-air temperature difference (Tc - Ta) versus the air vapour pressure deficit (VPD). The upper limit (UL) value, at which the dry beans were wholly exposed to water stress, was obtained at a constant temperature. The threshold CWSI value at which the grain yield of dry beans started to decrease was determined as 0.33 from the measurements made with an infrared thermometer before irrigation in I66 irrigation treatment. As a result, it can be suggested that irrigation should be applied when the CWSI value is 0.33 in dry beans. Furthermore, the correlation analysis revealed a negative correlation between grain yield and crop water stress index and a positive correlation between yield and chlorophyll content. According to variance analysis, significant relationships were found between the analysed parameters at p ≤ 0.01 and p ≤ 0.05.
Źródło:
Journal of Water and Land Development; 2023, 59; 145--152
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparasion of Crop Water Stress Index (CWSI) and Water Deficit Index (WDI) by using Remote Sensing (RS)
Autorzy:
Tanriverdi, C.
Atilgan, A.
Degirmenci, H.
Akyuz, A.
Powiązania:
https://bibliotekanauki.pl/articles/101434.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
water stress index
crop water stress index
water deficit index
remote sensing
Opis:
Drought, water scarcity and climate changes are very important threats for agriculture on a global basis. Remote Sensing (RS) is accepted as a technique to collect data and determine water stress indices. Water Stress Indices (WSI) are useful tools to prevent drought and determine irrigation scheduling. The water stress indices are primarily identified as the Crop Water Stress Index (CWSI) and the Water Deficit Index (WDI). The effect of soil background is major problem to establish CWSI especially during early growth stage measurements of canopy temperature (Ts). Hence, WDI is a better index when it comprised with CWSI because of Ts. CWSI and WDI can be determined by two different techniques. These are determined by using measured by using traditional components to collect data and estimated methods by applying RS components to collect necessary data. Estimated method has many advantages when this method compared with measured method. However, estimated method needs some RS components which are infrared gun (IR), sling psychrometer, Spectro radiometer. With the help of these tools, the necessary data are obtained and WDI is determined. By using Spectro radiometer vegetation indices are defined. Among the many vegetation indices, the Normalized Difference Vegetation Index (NDVI) is mostly used one. By using NDVI determination of vegetation cover is easy and accurate technique to establish WDI. Establishing these both stress indices with less fieldwork and by saving money, time and labor conveys the necessary information for agriculturists using remotely sensed data especially for large agricultural fields.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/1; 879-894
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of suitableprotected production areas: Lower Euphrates basin case
Autorzy:
Saltuk, B.
Mikail, N.
Atilgan, A.
Tanriverdi, C.
Powiązania:
https://bibliotekanauki.pl/articles/101400.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
climatization
greenhouses
heat load
Lower Euphrates basin
Opis:
As a result of the increase in the world population and the decrease in agricultural land, the need for food increases every day. Nowadays, breeding studies are carried out to increase the yield of plants to get more products from the same area. Furthermore, controlled production areas are created by optimizing climatic conditions and the continuity of production is ensured. It is called greenhouse, where production can be carried out throughout the year and the indoor temperature and humidity conditions can be controlled. Nowadays, greenhouses are now functioning as an industrial enterprise. However, greenhouses need to comply with the principles of quality production, efficient income growth and physical environmental protection. Almost all of the plant production in greenhouses in Turkey is done in the Mediterranean region, but in the Southeastern Anatolia Region, it is done in a very limited greenhouse area. The increase of protected agricultural areas in the Mediterranean region and the fact that the production volume cannot reach a certain limit makes it necessary to investigate alternative protected production areas. In this study, climate conditions of Antalya province and climate data of four provinces of the Lower Euphrates basin are compared with each other and statistically compared. As a result of, differences have been found between Antalya province and the provinces in the Lower Euphrates basin in terms of minimum, maximum, and average temperatures. However, there is no difference between the provinces in the basin except for Gaziantep in terms of climatic conditions. Therefore, it has been determined that Gaziantep province is not suitable for greenhouse cultivation. However, it has been concluded that if greenhouse cultivation is performed in this province, it is appropriate to perform cultivation in the areas where alternative energy sources can be used. It has been concluded that in the case that heating costs are reduced using alternative energy sources, Şanlıurfa and Kilis provinces are climatologically suitable for greenhouse cultivation and Adıyaman province is partially suitable for it.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/2; 701-714
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of effects of outdoor relative humidity of fan pad cooling effects in greenhouses
Autorzy:
Oz, H.
Atilgan, A.
Powiązania:
https://bibliotekanauki.pl/articles/61431.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
cooling efficiency
determination
outdoor relative humidity
fan pad
cooling effect
greenhouse
Isparta province
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2015, III/2
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of irrigation interval on temperature distribution in soil profile under solarization applications in greenhouses
Autorzy:
Oz, H.
Coskan, A.
Atilgan, A.
Powiązania:
https://bibliotekanauki.pl/articles/60596.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
irrigation interval
temperature distribution
soil profile
solarization
greenhouse
irrigation
Opis:
The aim of soil solarization is to control soil borne pathogens and weeds heating with solar energy of soil which is sufficiently wetted. Soil water content is the one of the most important factors affecting soil solarization. Humidity level is important to convey temperature from the upper layers to down layers of soil in solarized soil. For this purpose, the study was conducted in plastic greenhouse in Isparta province. Beginning of the study, all plots were irrigated to reach the field capacity, and then the all plots were irrigated in 5 days irrigation interval during the experiment periods. Temperature distribution was measured in 5, 10, 20 and 30 cm of the soil profile along the experiment periods. As a result of this study, increasing of soil temperature and effectiveness of solarization decreased with together the water content of soil in upper layers. However, the soil temperature increased with irrigation in the down layers.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2013, 1/III
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of the effect of insect net used in greenhouse on indoor conditions: pepper plant sample
Autorzy:
Ocak, Aytekin
Atılgan, Atılgan
Powiązania:
https://bibliotekanauki.pl/articles/101436.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
insect net
solar radiation
temperature
greenhouse
Opis:
The aim of this study is to determine the effects of insect net placed on ventilation openings in greenhouses on temperature, humidity and radiation energy from indoor conditions. In addition, the effects of insect net on the agents used in biological control have been tried to be determined. The study was carried out between November 2017 and May 2018 in Kumluca district of Antalya in 2 glass and 2 plastic greenhouses. Greenhouses; the glass greenhouse without insect net (GCG), the glass greenhouse with insect net (GNG), the plastic greenhouse without insect net (PCG), the plastic greenhouse with insect net (PNG) is named as. Temperature, humidity and solar radiation values were measured in greenhouses. According to the results of the research; It was determined that the recommended temperature values for pepper development are only suitable in January and well below the recommended values in February. In other production months, the average temperature values of with insect net greenhouses (PNG-GNG) used in ventilation openings were found to be higher than without insect net greenhouses (PCG-GCG). When the results of relative humidity values were examined, it was observed that the use of insect tulle in the greenhouses was lower than the control greenhouses. It was determined that the solar radiation values were lower than the control greenhouses (PCG-GCG) of the insect tulle greenhouses (PNGGNG) in other months except January and May. Therefore, we can say that the use of insect net reduces the amount of solar radiation. Accord ing to the results of temperature values; the growth of Orius Leavigatus and Amblyseius swirski, one of the biological agents and resistant to high temperatures, was observed to slow down in all other months except February. For Phytoseiulus persimilis (30°C and above), we can say that this is a suitable environment and that the eggs have emerged in a shorter time. The most suitable average temperature for the development of Aphidius colemani was reached only in January. In other months, the development of this agent slows down, parasitic insecticides can be said to decrease the rate of parasitoids. As a result; It was determined that the temperature values were higher in the greenhouses where insect net was used and the solar radiation values were lower than the control greenhouses. However, since the use of insect net causes the temperature in the greenhouse to increase, it may create a positive development for some bio agents. It is thought that producers using insect net should make production considering these negativities in temperature and solar radiation.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2019, III/1; 197-217
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Covid-19 Pandemic on Supply Chain Management in the Clothing Sector and Possible Solutions
Autorzy:
Kanat, Seher
Atilgan, Turan
Powiązania:
https://bibliotekanauki.pl/articles/2171950.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
COVID-19 pandemic
clothing sector
supply chain management
survey method
factor analysis
Opis:
The clothing sector is one which possesses significance in global trade. The sector has been negatively affected by the pandemic due to its labor-intensive structure and possession of a relatively long and global supply chain. At this point, the Turkish clothing sector, which is the sixth biggest clothing supplier in the world, the third biggest clothing supplier in the European Union, and comprised 10% of Turkey’s general exports in 2019, should be investigated. In this context, this research aims to determine the effects of the COVID-19 pandemic on supply chain management in the Turkish clothing sector. Also, it aims to specify possible solutions against the negative effects of the COVID-19 pandemic. In accordance with the aim of the research, a survey was conducted in clothing enterprises. 391 survey questionnaires were incorporated into the research. According to the research results, it is determined that supply chain management in the Turkish clothing sector has been negatively affected by the COVID-19 pandemic. Order disruptions and cessations have ruined employment, production, procurement and investment processes resulting in financial disruptions. The most significant possible precautions that can be taken by enterprises that can be indicated as follows: benefiting from government support, heading towards online trade and an omni-channel strategy, actualising necessary alterations in product ranges, giving essential importance to innovation, efficient use of occupational health and safety systems, shortening the supply chain as far as possible, integrating digitalisation into all processes of the supply chain, and increasing the efficiency of marketing activities.
Źródło:
Fibres & Textiles in Eastern Europe; 2022, 2 (151); 8--16
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Knowledge Management on Supply Chain Management in the Clothing Sector: Turkish Case
Wpływ zarządzania wiedzą na zarządzanie łańcuchem dostaw w sektorze odzieżowym Turcji
Autorzy:
Kanat, S.
Atilgan, T.
Powiązania:
https://bibliotekanauki.pl/articles/233360.pdf
Data publikacji:
2014
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
clothing sector
supply chain management
knowledge management
analytic network process
sektor odzieżowy
zarządzanie łańcuchem dostaw
zarządzanie wiedzą
analityczny proces sieciowy
Opis:
The clothing sector, which has a significant place in the Turkish economy due to its export potential, procurement of income and employment, is undergoing a restructuring process. True and effective management of the steps during this restructuring process is very important in terms of efficiency, productivity, speed and flexibility. Enterprises have to manage their supply chains and all of their flows effectively in order to be able to meet the desires and expectations of customers as well as to enrich their customer portfolio. At this point, knowledge management, which contributes to the effective usage of knowledge and knowledge flows, has been represented as a valuable parameter affecting the supply chain management of enterprises. The study aims to present the effects of knowledge management on supply chain management in the clothing sector. Data were obtained from a survey conducted in clothing enterprises that are listed as amongst the 500 biggest in Turkey. Then these data were evaluated by the analytic network process. According to the research results, effective knowledge management elements have positive effects on the performance of the clothing supply chain. Also knowledge creation is the most significant criterion for clothing enterprises.
Sektor odzieżowy, zajmujący znaczące miejsce w gospodarce tureckiej przechodzi obecnie proces restrukturyzacji. Skuteczne zarządzanie w tym procesie jest bardzo ważne z punktu widzenia efektywności, wydajności, szybkości i elastyczności. Przedsiębiorstwa muszą skutecznie zarządzać łańcuchem dostaw by sprostać wymaganiom i oczekiwaniom klientów. Dane zebrano wśród 500 największych przedsiębiorstw tureckich. Następnie, dane te były poddane analitycznej ocenie. Na podstawie wyników badań stwierdzono, że zarządzanie wiedzą ma pozytywny efekt na sprawność funkcjonowania.
Źródło:
Fibres & Textiles in Eastern Europe; 2014, 1 (103); 9-13
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of properties of heating and cooling systems in greenhouse
Autorzy:
Ertop, H.
Atilgan, A.
Powiązania:
https://bibliotekanauki.pl/articles/101259.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
Antalya
greenhouse
heating
cooling
Opis:
In this study, the heating and cooling conditions of the greenhouses in Antalya were examined and suggestions were made for solutions of the problems that emerged. The Simple Random Sampling Method was used in determining the number of enterprises to be surveyed. The number of enterprises to be surveyed was determined as 246 with a 90 % confidence limit and 10 % error rate. It was determined that the greenhouses enterprises surveyed were heating at 96.34%. It has been determined that the most commonly preferred type of heater in the region is the stove and that the stove is heated only to protect the product from frost damage. In accordance with the data obtained from the research area, it was determined that one stove was used for 1000 m2 greenhouse floor area. It has been determined that 92.68% of the surveyed greenhouse enterprises are trying to reduce the excess temperature inside greenhouse by natural ventilation. It was determined that both the sidewall and roof ventilation were made at 45.93% of the greenhouse enterprises where examined in the research area. It has been determined that the ratio of ventilation area to greenhouse floor area changes between 10 and 15 in 32.52% of greenhouse enterprises and this ratio changes between 15 and 20 in 41.46%. As a result, the heating and cooling properties and problems encountered of the greenhouse enterprises in the study area were determined and necessary precautions to be taken.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1115-1129
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of greenhouse covering materials of different colors on plant development in greenhouse cultivation: radish (Raphanus sativus var L.) case
Autorzy:
Eğilmez, Zeynep Hansa
Atılgan, Atılgan
Powiązania:
https://bibliotekanauki.pl/articles/101339.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
greenhouse
radish
LED lighting colored cover material
solar energy
Opis:
This thesis was carried out in four greenhouses with arc roofs with a base area of 6 m2 and a side height of 2 m in the experimental area of Isparta University of Applied Sciences, Agricultural Research and Application Center. For this purpose, greenhouse with LED lighting (LED), Red-colored (RG) greenhouse, Blue-colored greenhouse (BG) and greenhouses with transparent covering material (TrG) were used as materials. The study was conducted between February and May 2019. In this study, the effects of different color cover material on the development parameters of radish were determined by measuring the temperature, humidity and solar energy values of the greenhouse. In order to do these measurements, sensors are placed in the greenhouses. Solar energy measurements were taken between 10:00-16:00 hours considering sunshine time. Temperature and humidity measurements were recorded for 24 hours. When the values obtained from TrG, BG, RG and LED greenhouses were examined, it was determined that the highest temperature value of the radish plant in the LED greenhouse during the growing period. Average greenhouse indoor temperature values were found to be between 13°C and 16°C in LED greenhouse, between 6.5°C and 15o C in COG, between 6o C and 14o C in BG and between 6.5°C and 12.2°C in RG. Solar energy values are between 26 and 1053 Wm-2 in LED greenhouse, 21.1 and 856.6 Wm-2 in TrG, 17.9-680.3 Wm-2 in BG and 14.3-633.1 Wm-2 in RG has been determined. In order to examine the growth parameters of radish plant, root weight, height, stem length, length of green parts and root diameter were examined. Root weight was higher in LED greenhouse, plant root length and length of green parts were higher in RG, plant root diameter and weight of green parts were higher in TrG. As a result, it was concluded that the development of radish plant is the worst in the BG in terms of both temperature and radiation energy values. In particular, it was determined that the radish plant in BG appears to be different from the other greenhouse plants. When the development of radish is taken into consideration in four greenhouses, it is concluded that TrG can be recommended for plant root weight, root diameter and green component weight and RG can be recommended for height and stem length. When the developments in the BG were considered, it was concluded that the application of blue color is not suitable for the cultivation of radish.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2019, III/1; 219-234
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
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