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C. Karthikeyan

Publications (28)

Effectiveness of Extension and Advisory Services Provided by Input Dealers during COVID-19 Pandemic

V. Mathuabirami, C. Karthikeyan, M. Nirmala Devi, Patil Santosh Ganapati & Paul Mansingh J. · International Journal of Environment and Climate Change · 2023

Aim: The main aim of this research is to study the input dealers’ perception towards the extension ad advisory services provided during COVID-19 pandemic. Study Design: Cross section research design. Place and Duration of Study: Coimbatore and Tiruvallur districts of Tamil Nadu,...

Open access Research Article 10.9734/ijecc/2023/v13i92362

Effectiveness of Extension Intervention Provided by State Department of Agriculture in Tamil Nadu during COVID-19 Pandemic

V. Mathuabirami, C. Karthikeyan, M. Nirmala Devi, Patil Santhosh Ganapathi & Paul Mansingh J. · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

Aim: The main aim of this research is to study the extension officials’ perception towards the effectiveness of online training programme conducted during COVID-19 pandemic. Study Design:  Cross section research design. Place and Duration of Study: Coimbatore and Tiruvallur distr...

Open access Research Article 10.9734/ajaees/2023/v41i92054

Constraints Confronted in Online Education during COVID-19 Pandemic in Tamil Nadu

L. Mohammed Ghouse, C. Karthikeyan & S. R. Padma · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

Online learning was adopted by all the educational institutions worldwide due to the outburst of COVID-19 pandemic. It has wreaked havoc on numerous areas of the economy, and the education sector is no exception. The lockdown imposed by the Union and State Governments to stem the...

Open access Research Article 10.9734/ajaees/2023/v41i92055

Assessing Smallholder Households’ Perception towards Effectiveness of Agricultural Extension and Advisory Services in Ensuring Food Security during COVID-19

S. Krithika & C. Karthikeyan · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

The study aims to assess the farm households’ perception towards Agricultural Extension and Advisory Services (EAS) during the pandemic and identify the socio-economic factors influencing the perception of smallholder households in selected rural areas of Tamil Nadu. For the purp...

Open access Research Article 10.9734/ajaees/2023/v41i92042

Analysing the Scope of Kitchen Gardens in Achieving Dietary Diversity and Food Security in Rural Households for Resilient and Sustainable Food Systems

S. Krithika, C. Karthikeyan, P. Balasubramaniam, R. Gangai Selvi & G. Gurumeenakshi · International Journal of Environment and Climate Change · 2023

Aim: The study aims to identify the scope of kitchen gardens or nutrition gardens in rural households in Tamil Nadu in achieving dietary diversity and food security. Currently, only a few existing studies analyse the link between kitchen gardens and dietary diversity. The study a...

Open access Research Article 10.9734/ijecc/2023/v13i82113

A Case Study of Successful Nursery Entrepreneur at Thanjavur District of Tamilnadu, India

A. Aravind, C. Karthikeyan, M. Nirmala Devi & R. Velusamy · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

This case study showcases the vision and initiative of a young entrepreneur who belonged to business family and who inherited the legacy of entrepreneurial traits from his father and grandfather. The need for the research was to identify the extraordinary and unique farmer who ha...

Open access Research Article 10.9734/ajaees/2023/v41i71937

Developing a Test to Measure the Knowledge Level of Farmers towards Market Intelligence

L. Mohammed Ghouse, C. Karthikeyan & M. Nirmala Devi · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

Market intelligence is a method of foreseeing what will occur in the near future. We must proceed from market data to information, and finally to market intelligence, in order to complete this process. This study attempted to develop a scale for measuring the knowledge level of f...

Open access Research Article 10.9734/ajaees/2022/v40i1031189

Analysis of Constraints Faced by Startups in the Food Processing Industries in Tamilnadu, India

R. Arul Murugan, C. Karthikeyan & M. Nirmala Devi · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

Food processing sector is the transformation of raw agricultural products into food or one form of food into other forms. Food processing comprises many forms of processing foods starting from grinding grain to make raw flour to home cooking to complex industrial methods of food...

Open access Research Article 10.9734/ajaees/2022/v40i1031159

A Study on Students’ Attitude towards Online Learning Using Paired Comparison Technique

Sandipamu Raahalya, C. Karthikeyan & M. Nirmala Devi · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

The purpose of this paper is to assess students’ attitude towards online learning using a paired comparison technique. A total of five stimuli were selected and paired in 10 combinations. A shift in the ranking of stimulus when compared with other stimulus would indicate a change...

Open access Research Article 10.9734/ajaees/2022/v40i1031061

Utilization Pattern of Different Agricultural Information Sources and Channels by Paddy Farmers in Telangana

Ramu Yalakonda, C. Karthikeyan, P. Balasubramaniam & R. Gangai Selvi · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

Paddy is the major crop in India. It is the second most important crop in the world in terms of cultivation. India's public agricultural information generation, testing, and transmission system are one of the world's largest and most complicated. Information sources and channels...

Open access Research Article 10.9734/ajaees/2022/v40i1031051

A Content Analysis of Farm Information and Infographics in Pasumai vikatan Tamil Magazine, India

S. Krithika, C. Karthikeyan & M. Nirmala Devi · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

Content analysis is an effective research tool to study the extent of information covered in farm magazines, which act as a comprehensive guide for farmers. The aim of the study is to analyze the coverage, readability ease, mode of presentation, and type and level of infographics...

Open access Research Article 10.9734/ajaees/2022/v40i930972

Assessing the Impact of Rythu Bandhu Scheme in Warangal District of Telangana

C. D. Amitha, C. Karthikeyan & M. Nirmala Devi · Asian Journal of Agricultural Extension, Economics & Sociology · 2021

Rythu Bandhu Scheme (RBS) also Farmers investment Support Scheme is a welfare program to support farmer investment for two crops a year where the cash is paid directly by the Government of Telangana. A sample of 60 beneficiaries were selected from Warangal district of Telangana s...

Open access Research Article 10.9734/ajaees/2021/v39i1130758

Role of Key Communicators in Disseminating Agricultural Information in Nilayur Village of Thiruparankundram Block in Madurai District

P. Rajapandi, C. Karthikeyan & M. Nirmala Devi · Asian Journal of Agricultural Extension, Economics & Sociology · 2021

The present study was taken up to identify the role of key communicators in the dissemination of agricultural information. The study area was Nilayur village of Thiruparankundram block located in Madurai district. A total of 60 respondents were sampled randomly for the study. Soc...

Open access Research Article 10.9734/ajaees/2021/v39i1130735

Silica Sulphuric Acid Catalyzed Fischer Esterification Reaction under Solventless Condition: A Novel Green Chemical Reaction

A. Rajendran & C. Karthikeyan · Chemical Science International Journal · 2011

Objectives: The science of chemistry has matured, and green chemistry emphasizes the creative use and design of chemicals. The main objective of this work is to carryout Fisher esterification reactions using silica sulphuric acid ionic liquid in such a way that they have little o...

Open access Research Article 10.9734/ACSJ/2011/264

A Facile Tandem Protocol for the Crossed Aldol Condensation in SiO2.OSO3H Ionic Liquid under Solventless Condition

A. Rajendran & C. Karthikeyan · Chemical Science International Journal · 2011

Objectives: Removing organic solvents in chemical synthesis is important in the drive towards benign chemical technologies. Organic solvents are high on the list of toxic compounds due to the problems in containing volatile compounds and the sheer large volume of them used in ind...

Open access Research Article 10.9734/ACSJ/2011/263

A Global Perspectives on Solar Energy Adoption in Poultry Farming: A Comprehensive Review

E. Karnika, M. Ramasubramanian & C. Karthikeyan · Journal of Agriculture and Ecology Research International · 2026

The growing requirement for energy and vulnerability of the traditional source of energy in the poultry industry make sustainable and dependable energy sources an inevitable alternative with solar energy being a key player in modern poultry industries. The poultry industry requir...

Open access Research Article 10.9734/jaeri/2026/v27i3755

A Meta-analysis on Diversified Challenges Faced by Small and Marginal Farmers in Adopting Agricultural Technology

Weijimlu Tayang, M. Nirmala Devi, C. Karthikeyan & R. Gangai Selvi · International Journal of Environment and Climate Change · 2024

Each year innovation takes place in Agricultural and allied sector and adoption of this agricultural technologies is essential for enhancing the agricultural output and productivity. For the successful transfer of agricultural innovations Government of India has implemented numbe...

Open access Research Article 10.9734/ijecc/2024/v14i13840

Farmer’s Perception towards Mitigating Climate Change through Adoption of Soil Carbon Sequestration Practices: A Review Analysis

Shanmuga Surya K., C. Cinthia Fernandaz, C. Karthikeyan, S. P. Thamaraiselvi, K. Boomiraj & S. Manivasakan · International Journal of Environment and Climate Change · 2023

Climate change is one of the most severe global environmental issues. Carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases (F) are the principal greenhouse gases (GHGs) whose atmospheric concentrations are escalating. According to [1], agricultural soil...

Open access Research Article 10.9734/ijecc/2023/v13i102736

Sustainability of Farmer Producer Organisation’s – Major constraints in functioning of FPO in Tamil Nadu, India

V. Jayashree, A. Janaki Rani, C. Karthikeyan, M. Malarkodi & R. Gangai Selvi · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

The concept of group formation and collectivization by organizing at the regional level is very important in the era of globalization and free trade liberalization. FPOs organize small farmers for forward linkages such as collective, marketing, processing, and market-driven agric...

Open access Research Article 10.9734/ajaees/2023/v41i92113

Examination of Rythu Bharosa Kendra (RBK) Services in Vizianagaram District of Andhra Pradesh with a View to Improving Service Delivery to Farmers

M. Haritha, M. Asokhan, C. Karthikeyan, A. Janaki Rani & Patil Santosh Ganapati · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

Rythu Bharosa Kendra is a State Government initiative of Andhra Pradesh in India for providing various services to the farmers from seed to sale at gross root level. The present study highlights the knowledge level of farmers along with the constraints and suggestions of farmers...

Open access Research Article 10.9734/ajaees/2023/v41i92114

Analysis of Trends in Climate Variables and the Adaptation Strategies Used by Cardamom Growers in Idukki District of Kerala, India

R. S. Devika, M. Nirmala Devi, C. Karthikeyan, Ga. Dheebakaran & R. Gangaiselvi · International Journal of Environment and Climate Change · 2023

Aim: The study's main goal is to find any significant variations in the climatic variables and to analyze the preferences about adaptation strategies by the farmers to lessen the effects of the same. Study Area and Design: An ex-post-facto study was conducted at randomly selected...

Open access Research Article 10.9734/ijecc/2023/v13i92538

Adopter Categorization and Level of Adoption among Protected Cut Flower Growers

S. Mercy Sheeba, G. Anand, C. Karthikeyan, M. Nirmala Devi & R. Gangai Selvi · International Journal of Environment and Climate Change · 2023

In India, Tamil Nadu occupies the first position in terms of area under flower cultivation then followed by Karnataka and West Bengal. Out of the 33 districts in Tamil Nadu, Krishnagiri district ranks first in cut flower production due to its suitability to climatic conditions. T...

Open access Research Article 10.9734/ijecc/2023/v13i92505

Constraints Faced by the Farmers in Accessing Services from Digital Agripreneurs

Bindurajashekar, A. Janaki Rani, C. Karthikeyan, M. Malarkodi & R. Gangai Selvi · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

The agricultural sector has witnessed a transformative shift with the advent of digital technologies and the rise of digital Agripreneurs. These digital Agripreneurs act as intermediaries, connecting farmers to a range of essential services, including market information, weather...

Open access Research Article 10.9734/ajaees/2023/v41i92091

Adoption of Drones in Agriculture: Social, Economic and Personal Factors

C. Bala Vivin Sundar, M. Asokhan & C. Karthikeyan · International Journal of Environment and Climate Change · 2023

Aims: The acceptance of drone technology is gradually rising up owing to its potential being understood by businesses. It is in this aspect that an outlook on the various factors that are responsible pertaining to the drone technology in the recent times has been carried out. Stu...

Open access Research Article 10.9734/ijecc/2023/v13i81987

Perception of Mango Growers towards Enhanced Freshness Formulation (EFF) Technology- A Study in Krishnagiri District of Tamil Nadu

S. Sheelapriya, J. Venkata Pirabu, C. Karthikeyan & M. R. Duraisamy · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

Mango fruits are perishable, and as a result, they are prone to significant post-harvest losses. However, mango fruits lost roughly 35% of their value at several phases from farm to consumer level. Enhanced Freshness Formulation (EFF) is a relatively new technology that has been...

Open access Research Article 10.9734/ajaees/2022/v40i1031082

Analysing the Growth Prospects of Agribusiness Input Sector in India

Darsi Pradeep Kumar, K. R. Ashok, C. Karthikeyan & P. Flowrine Olive · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

Aim: Agribusiness is undergoing huge transformation. Seed, fertilizer and pesticide sector plays a vital role in agribusiness. The aim of this paper is to study about the overview of agribusiness system in Indian and to analyze the growth prospects for agribusiness in India. Stud...

Open access Research Article 10.9734/ajaees/2022/v40i830933

Level of Awareness, Adoption and Constraints of Jasmine Growers

G. Anand, P. Jaisridhar, A. Janakirani, C. Karthikeyan & S. Mercy Sheeba · International Journal of Environment and Climate Change · 2023

The Tiruchirappalli (Trichy) and Dindigul districts of Tamil Nadu state were purposively taken for studying objectives viz., profile, awareness, adoption and constraints faced by the jasmine growers. The sampling technique was multi-stage purposive sampling and the research desig...

Open access Research Article 10.9734/ijecc/2023/v13i103034

An Analysis of Constraints Faced by Organic Farmers in the Cauvery Delta Zone of Tamil Nadu, India

V. Logesh, M. Ramasubramanian, M. A. Vennila, C. Karthikeyan & M. Prahadeeswaran · International Journal of Environment and Climate Change · 2023

Aim: This study examines the multifaceted challenges encountered by organic farmers operating within the Cauvery Delta Region of Tamil Nadu. Study Design: Ex-post facto research design was used to investigate and reveal the challenges that organic farmers have encountered over th...

Open access Research Article 10.9734/ijecc/2023/v13i102733