Land Ownership and Profitability of Greenhouse Production: Antalya Case

Ceylan, Rahmiye Figen; Sayin, Cengiz; Yelboğa, Makbule Nisa Mencet; Özalp, Meral; Ilbasmis, Eda; Sav, Oya

doi:10.24925/turjaf.v6i7.930-935.1921

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…Maintaining high agricultural production capacities for Turkey, as well as for other countries, has three main objectives. These are increasing agricultural income and its contribution to national income, meeting agricultural and food demand of nationals domestically, and keeping farmers on their lands to secure agricultural production [6]. About 250 km 2 of greenhouses have been located in Antalya, south of Turkey.…”

Section: Introductionmentioning

confidence: 99%

Impacts of Chemical-Assisted Thermal Pretreatments on Methane Production from Fruit and Vegetable Harvesting Wastes: Process Optimization

Günerhan¹,

Us²,

Dumlu

et al. 2020

Molecules

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The increasing population creates excess pressure on the plantation and production of fruits and vegetables across the world. Consumption demand during the whole year has made production compulsory in the covered production system (greenhouse). Production, harvesting, processing, transporting, and distribution chains of fruit and vegetables have resulted in a huge amount of wastes as an alternative source to produce biofuels. In this study, optimization of two pretreatment processes (NaOH and HCl assisted thermal) was investigated to enhance methane production from fruit and vegetable harvesting wastes (FVHW) that originate from greenhouses. NaOH concentration (0–6.5%), HCl concentration (0–5%), reaction temperature (60–100 °C), solid content (1–5%), time of reaction (1–5 h), and mixing speed (0–500 rpm) were chosen in a wide range of levels to optimize the process in a broad design boundary and to evaluate the positive and negative impacts of independent variables along with their ranges. Increasing NaOH and HCl concentrations resulted in higher COD solubilization but decreased the concentration of soluble sugars that can be converted directly into methane. Thus, the increasing concentrations of NaOH and HCl in the pretreatments have resulted in low methane production. The most important independent variables impacting COD and sugar solubilization were found to be chemical concentration (as NaOH and HCl), solid content and reaction temperature for the optimization of pretreatment processes. The high amount of methane productions in the range of 222–365 mL CH4 gVS−1 was obtained by the simple thermal application without using chemical agents as NaOH or HCl. Maximum enhancement of methane production was 47–68% compared to raw FVHW when 5% solid content, 1-hour reaction time and 60–100 °C reaction temperature were applied in pretreatments.

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Section: Introductionmentioning

confidence: 99%

Impacts of Chemical-Assisted Thermal Pretreatments on Methane Production from Fruit and Vegetable Harvesting Wastes: Process Optimization

Günerhan¹,

Us²,

Dumlu

et al. 2020

Molecules

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“…Profit function is preferred where possible, as the decision-making process for input use was included as an external factor in profit maximization approach (Ali and Flinn 1989;Lau and Yotopoulos 1971;Yotopoulos and Lau 1973;Abdulai and Huffman 1998;Ozkan et al 2009). The Cobb-Douglas profit function utilised was as follows (Battese and Coelli 1995;Ceylan et al 2018):…”

Section: Methodsmentioning

confidence: 99%

Profit efficiency of mushroom cultivation in Antalya, Türkiye

MÜLAZIMOĞULLARI¹,

Ceylan²

2023

Mediterranean Agricultural Sciences

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Mushroom is an important fresh vegetable for the Turkish consumer market. However, mushroom production can only be carried out in a few places due to its specific climatic and geological requirements. The amount of mushroom produced in Türkiye was 55455 tonnes in 2020, 33518 tonnes of which (60%) was cultivated in Korkuteli town of Antalya/Türkiye. The main purpose of this research was to estimate the level of profit efficiency and determine factors affecting inefficiency of mushroom cultivation in Korkuteli/Antalya. Accordingly, 60 producers were interviewed in Korkuteli in 2020. Respecting effective exchange rate of 28th October 2020 ($ 1= 8.21 TL) the average per unit profit of producers was calculated as $ 24.98 and average profit inefficiency as 44%. The inefficiency score was estimated against socio-economic items relevant to individual farms or farmers with stochastic profit frontier approach. Gender, education and satisfaction levels of the producer and duration of harvest and registry to the Farmer Registration System (CKS) appeared as factors reducing profit inefficiency. However, age of the farmer, garden use of waste compost and mushroom sales through intermediaries were detected as inefficiency rising factors. Due to the findings, supporting female producers, providing applied training and courses, developing approaches to raise the satisfaction level of producers and supporting CKS registry were proposed. In addition, it was concluded that establishment of a waste compost centre and reopening the producer union, that was shut down earlier, might reduce profit inefficiency.

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“…Profit generation is one of the primary motive behind the launch of majority of firms in the world (Ceylan et al, 2020). In order to generate profit, the firm has to have the ability to efficiently and effectively utilize the available resources (Ormerod, 2021).…”

Section: Introductionmentioning

confidence: 99%

Are risk management disclosures relevant to firm's profitability? A Tanzanian case

Mwenda,

Ibrahim

2023

KOMPARTEMEN

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This research investigated the relevance of risk management disclosures on firm’s profitability in Tanzania. Risk Management Disclosures (RMD) were measured using a disclosure index adopted from the Tanzania’s Capital Market Securities Act (CMSA) regulations while firms' profitability was represented by Return on Equity (ROE) and Return on Assets (ROA). A quantitative research approach was used, secondary data was collected from the annual reports of firms listed on the Dar es Salaam Stock Exchange (DSE) for the period ranging from 2010 to 2021. Panel regression modeling was used to estimate the parameters in this study. Results demonstrated that Risk Management Disclosure (RMD) was relevant to firm’s profitability since it had a significant and positive effect on ROA and ROE. Based on this, the research draws the conclusion that risk management disclosures are important as they assisted Tanzanian businesses to become more profitable. We recommend firms to include more risk management-related information in their annual reports for the benefit of users of financial statements. The study contributes to the existing body of knowledge by by adding new variables to the existing models

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Land Ownership and Profitability of Greenhouse Production: Antalya Case

Cited by 3 publications

References 9 publications

Impacts of Chemical-Assisted Thermal Pretreatments on Methane Production from Fruit and Vegetable Harvesting Wastes: Process Optimization

Impacts of Chemical-Assisted Thermal Pretreatments on Methane Production from Fruit and Vegetable Harvesting Wastes: Process Optimization

Profit efficiency of mushroom cultivation in Antalya, Türkiye

Are risk management disclosures relevant to firm's profitability? A Tanzanian case

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