Ayça Nur Şahin Demirel

• Doctor of Agricultural Economics
• Iğdır Üniversitesi

This study employs two distinct machine learning (ML) methodologies to investigate the impact of 12 different key climatic variables on wheat production efficiency, a crucial component of the global and Turkish agricultural economy. Neural network (NN) and eXtreme Gradient Boosting (XGBoost) algorithms are utilised to model wheat production perform...

BACKGROUND The Turkish organic honey industry, a major player in the global market, faces challenges due to climate fluctuations. Understanding the influence of climate factors on honey production is vital for sustainable farming and economic stability. METHOD This study uses a machine learning approach with the XGBoost algorithm to analyze temper...

This study examines the potential impact of climate change on small cattle livestock and milk productivity in Iğdır province. The study takes into account various factors, including the effects of climate change on animal stress levels, nutrient quality in grazing areas, and the spread of parasites or diseases, which may indirectly affect milk prod...

The aim of this study is to analyze the demographic structure, knowledge level about organic products and healthy lifestyle preferences of students of Iğdır University. In the study, a face-to-face survey was conducted on 300 students. RStudio program was used to analyze the data and machine learning method with XGBoost algorithm was preferred. The...

BACKGROUND This study employs a machine learning approach to investigate the impact of climate change on fig production in Turkey. The eXtreme Gradient Boosting (XGBoost) algorithm is used to analyze production performance and climate variable data from 1988 to 2023. Fig production is a significant component of Turkey's agricultural economy. Theref...

This study investigates the impact of climate change on the efficiency of organic honey production in Türkiye using a machine learning approach. The eXtreme Gradient Boosting (XGBoost) algorithm is employed for the Machine Learning (ML) modelling. The analysis includes data on organic honey production performance from 2004 to 2023, spanning a perio...

ne Çıkanlar: • Lavanta esansiyel yağları (LEO'lar) kondansatör elektroliti olarak kullanılabilir • LEO'lar 4 Volt' a kadar çalışabilir • LEO elektrolit yıllık karı ~23697 USD olarak hesaplanmıştır • LEO elektrolitleri enerji depolama sistemlerine uygulanabilir Anahtar Kelimeler: • Tarım Ekonomisi • Kapasitör • Elektrolit • Enerji Depolama • Lavanta...

Nowadays, the energy and agriculture sectors are united for financial efficiency, and it brought the question to minds “can be stored the electrical energy that used in agriculture with an agricultural product?”. In this study, lavender essential oil, it obtained from Lavandula angustifolia, was used as a part of energy storage system. The essentia...

This study was carried out in order to reveal the attitudes of consumers toward organic products in the provinces of Istanbul, where Turkey's first and largest organic product market is located, and Izmir, where organic production first started. For this purpose, face-to-face surveys were conducted with 271 consumers who went to the organic product...

In this research, it is aimed to measure the organic product awareness of consumers coming to the organic product market. For this purpose, face-to-face surveys were conducted with 271 consumers in organic product markets in Izmir and Istanbul. As a result of the survey analysis, it was determined that the organic product consumers coming to the or...

During the Covid-19 pandemic, the healthy nutrition increases immunity come into question, the consumption of organic products, which are included in the scope of healthy and safe foods, has recently gained importance. Organic product markets, which facilitate access to organic products, bring together the organic product producer and the consumer...

Bu çalışmada, Türkiye’ de bulunan kayısı üreticileri için makine ve iş gücü maliyetlerinin ekonomik olarak karşılaştırması yapılmış ve buna bağlı olarak üreticilere ekonomik tavsiye oluşturulmuştur. Türkiye İstatistik Kurumu (TÜİK) 2005-2020 yılları arası ekonomik verileri kullanılarak zaman serisi analizleri başarılı bir şekilde gerçekleştirilmişt...

This study explains the trend analysis for organic wheat and barley production in Turkey-Ağrı province between 2021 and 2024. For organic product production, the organic agricultural farm area trend and the organic agricultural worker trend have been analyzed. Until 2015, it has been determined that there was an increase in the number of organic ag...

The aim of the study was to determine the main factors affecting the consumption preferences of consumers by considering the quality characteristics of drinking water according to the regions where they reside. For this pur-pose, the data obtained from 400 consumers living in the central districts of Iğdır province were used for Factor Analysis and...

Organic products which are processed, packaged, labeled and produced in organic agriculture methods, are pretty important as they are certified products that maximize food efficiency beholding the health and security of human, fauna, flora and the soil. Organic product markets, which provide direct access to organic products, contribute to the deve...

Being healthy includes both physical and mental conditions. It is a fact that individuals can create their mental peace and care about their body for now and the future with the help of social activities and healthy eating. 190 student were interviewed face to face via a structured questionnaire. The data was analyzed with descriptive statistics an...

In this study, it was aimed at applying robust factor analysis for an ordinal five-point likert scale data obtained via a questionnaire applied to 385 consumers selected via simple sampling method in Igdir province located in Eastern Anatolia Region of Turkey. As a factor extraction method, Robust Unweighted Least Squares (RULS) was specified toget...

All living things need to feed in order to survive in every period of life. Being physically and mentally healthy in each stage of life is possible with an adequate and balanced nutrition. The problems caused from nutritional preferences affect human beings’ physically and mentally. Particularly wrong nutritional habits may give rise to failures in...

Within the scope of this thesis, investigations have been carried out to determine consumer attitudes and behaviours toward local agricultural products. For the fieldwork Bornova district of the city of İzmir was selected. The fieldwork is formed through face to face surveys that are conducted with the consumers of agricultural products, people liv...