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K. Nagarajan

Publications (7)

Effect of Different Colour Mulches on Water Use Efficiency in Cucumber (Cucumis sativus) under Protected Cultivation

K. Nagarajan, I. Geetha Lakshmi, S. Ramya, M. N. Harinarayanan & K. N. Vidya · International Journal of Environment and Climate Change · 2022

Aims: To evaluate the effect of different colour mulches on Water use efficiency under protected cultivation a field experiment was carried out during April–June 2021 in Cucumber (Cucumis sativus). Study Design: Split plot design statistical design. Place and Duration of Study: D...

Open access Research Article 10.9734/ijecc/2022/v12i1131114

Performance Evaluation of Low-Cost Filter in Field Condition

K. Nagarajan, S. Ramya, T. Thangamani, A. Selvaperumal & T. Arthi · Journal of Experimental Agriculture International · 2021

The parameters require for maintaining the crop's health and the integrity of the irrigation system has a relation with quality of irrigation water. In Micro irrigation appropriate filtration is very much important to prevent clogging. Filtration unit is one of the main component...

Open access Research Article 10.9734/jeai/2021/v43i1030743

Effect of Temperature Variation on the Growth Performance and Histopathological Activities in the Muscles of Freshwater Fish, Catla catla

M. Sathiamoorthi & K. Nagarajan · Asian Journal of Research in Zoology · 2025

This study investigates the impact of varying water temperatures (30°C, 33°C, and 36°C) on the growth performance and muscle tissue histopathology of Catla catla, an economically important Indian major carp. Over a 30-day period, specific growth rate (SGR), feed conversion ratio...

Open access Research Article 10.9734/ajriz/2025/v8i2193

Morphometric Analysis of Nanjannad Hill Watershed in South India using Geographical Information System

Gangannagari Karthik, K. Nagarajan, S. Manivannan, Balaji Kannan & M. R. Duraisamy · International Journal of Environment and Climate Change · 2022

Watershed is a natural geohydrological unit that allows surface runoff to a particular point or outlet, Morphometric analysis plays a vital role in the proper planning and development of the watershed. Morphometric analysis of the Nanjannad watershed is carried out using integrat...

Open access Research Article 10.9734/ijecc/2022/v12i1030827

A Study on Irrigation Water Productivity under Different Irrigation Environments of Tamil Nadu, India

T. M. Kamesh, D. Suresh Kumar, A. Vidhyavathi, K. Nagarajan & M. R. Duraisamy · Journal of Experimental Agriculture International · 2023

The world is attempting to increase water efficiency in all activities, especially in irrigation, which consumes three-fourths of total available water. Concerning  the near future food demand and sustainability issues, views are directed to reduce the usage of water or increase...

Open access Research Article 10.9734/jeai/2023/v45i92181

An Extensive Taxonomic Analysis of Catfish Species (Family: Bagridae) Using Mitochondrial DNA (mtDNA) from the Cauvery River Basin in Tamil Nadu, India

S. Yaswanthkumar, M. Pavunraj, P. Murali, R. Ramakrishnan, K. Nagarajan, M. Ramasamy, S. Raja, S. Rajeshkumar & K. Kannan · Asian Journal of Biochemistry, Genetics and Molecular Biology · 2025

The present study investigates the morphological, molecular, osteological, and evolutionary aspects of freshwater Bagrid catfish in the Western Ghats of India, focusing on the Cauvery River basin. Samples from three genera of the Bagridae family, namely Hemibagrus, Sperata, and M...

Open access Research Article 10.9734/ajbgmb/2025/v17i2438

Effect of Automated Drip Irrigation System on Yield and Water Use Efficiency of Tomato (Solanum lycopersicum L.)

R. Suvitha, A. Velayutham, V. Geethalakshmi, S. Panneerselvam, P. Jeyakumar & K. Nagarajan · International Journal of Plant & Soil Science · 2021

Field experiment was conducted to evaluate the performance of different automated drip irrigation on tomato crop under sandy clay loam soil in Tamil Nadu Agricultural University during kharif 2019 and kharif 2020. Five treatments comprising 4 different automated drip irrigation s...

Open access Research Article 10.9734/ijpss/2021/v33i2430768