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Usha C. Thomas

Publications (12)

Optimizing Nutrient Management for Sustainable Papaya Production: A Review

Devi Krishna M., Usha C. Thomas, Shalini Pillai P., Geetha Lakshmi P.R. & Safeer M.M. · Journal of Advances in Biology & Biotechnology · 2025

Papaya (Carica papaya L.) is a high-value tropical fruit crop with increasing global demand. Achieving optimal yield and fruit quality necessitates a balanced, efficient, and environmentally sustainable nutrient management approach. Due to its short juvenile phase, high productiv...

Open access Research Article 10.9734/jabb/2025/v28i103180

Yield and Harvest Index of Grain Sorghum as Influenced by Agronomic Practices under Summer Rice Fallow in Southern Kerala, India

Anuranj R, Usha C. Thomas, Shalini Pillai, Rajasree, G & Safeer M.M. · International Journal of Plant & Soil Science · 2024

A study was undertaken at College of Agriculture, Vellayani, during January 2024 to May 2024 to standardize tillage, plant population and nutrient management practices for grain sorghum under summer rice fallows. The experiment was laid out in RCBD with 2 x 2 x 3 treatments, repl...

Open access Research Article 10.9734/ijpss/2024/v36i115167

Dominance Hierarchies, Diversity and Spatial Connect of Crops in Banana Based High Range Home Gardens

M. Nithish Babu, Allan Thomas & Usha C. Thomas · Current Journal of Applied Science and Technology · 2020

Home gardens are a time tested food production system which can be projected as a promise to the future to mitigate the issues related to the global food security crisis. The home gardens in Kerala are an integral part of the rich tradition which impart a dominant role in livelih...

Open access Research Article 10.9734/cjast/2020/v39i2430877

Understanding Waterlogging Stress in Cowpea: An Overview

Arya S. Nair, Gayathri G, Beena R, Usha C. Thomas, Pratheesh P. Gopinath, Seeja G & Amaresh Chandel · Journal of Advances in Biology & Biotechnology · 2025

Waterlogging stress is a significant threat to the global agriculture, resulted in the 33% reduction in the average crop yield. It is predicted that annual daily precipitation will increase by 14% by 2050 in IPCC report. Increase in precipitation increases waterlogging condition....

Open access Research Article 10.9734/jabb/2025/v28i62465

Impact of Row Configuration and Biofertilizers on Yield and Quality of Sorghum (Sorghum bicolor (L.) Moench.) Intercropped with Cowpea in the Southern Laterites of Kerala, India

Kasapogu Rachel Madhurima, Shalini Pillai, P., Rajasree G., Usha C. Thomas & Chitra N. · Journal of Advances in Biology & Biotechnology · 2024

A field experiment was conducted at the Instructional Farm, College of Agriculture, Vellayani during December 2023 to April 2024 to assess the performance of sorghum in terms of yield and quality, when intercropped with cowpea at varying row configuration and biofertilizers. The...

Open access Research Article 10.9734/jabb/2024/v27i101586

Nutrient Management with Nitrogen Based Formulations for Enhancing Growth and Yield in Fodder Sorghum [Sorghum bicolor (L.) Moench]

Sabavat Sandhya Sree, Sharu S. R., Shalini Pillai P, Usha C. Thomas & Gayathri G · Journal of Advances in Biology & Biotechnology · 2024

Fertilizers play a vital role in agricultural practices by boosting crop yield. Among various nutrient application methods, foliar application is one of the cost - effective method which allow rapid and efficient nutrient absorption through the stomata or cuticle, and subsequentl...

Open access Research Article 10.9734/jabb/2024/v27i101541

Revolutionizing Food Safety and Crop Production: Harnessing Novel Biosensors

Rabeen Abdul Gafoor, Sharu S.R., Shalini Pillai P., Usha C. Thomas, Gayathri G. & Pratheesh P. Gopinath · Journal of Advances in Biology & Biotechnology · 2024

Farmers and food manufacturers are under immense pressure from consumers and food safety regulations to deliver pollutant-free, high-quality foods. The extensive use of chemicals in food production poses ecological as well as health risks. In order to meet the demand for safe, pr...

Open access Research Article 10.9734/jabb/2024/v27i101440

Biocomposites: A Review of Materials, Properties and Applications for Sustainable Development

C. Deepthi, G. J. Shimi, P. Shalini Pillai, G. Rajasree, Usha C. Thomas & R. V. Manju · Asian Research Journal of Agriculture · 2026

Composite materials are widely used in daily life in sectors such as automotive, aerospace, construction, and agriculture because of their durability, strength, and lightweight properties, and the composites market is expected to grow substantially in the coming years. However, s...

Open access Research Article 10.9734/arja/2026/v19i2843

Evaluation of Hydroponic Systems for Optimizing Growth and Yield of Tomato (Solanum lycopersicum L.)

Anusree, G., Sajitha Rani, T., Shalini Pillai, P., Rajasree, G., Usha C. Thomas & Dhalin, D. · International Journal of Environment and Climate Change · 2025

An investigation was performed to identify the best hydroponic system suitable for tomato cultivation at the College of Agriculture, Vellayani during February 2022-June 2022. The present study was laid out in completely randomized design (CRD) with seven treatments and three repl...

Open access Research Article 10.9734/ijecc/2025/v15i54841

Incidence, Intensity and Symptomatology of Mid Whorl Yellowing Disease of Coconut in Southern Kerala, India

Amitha Paul, Joy Michal Johnson, Sinijadas K., Radhakrishnan N.V., Radhika N. S., Usha C. Thomas, Swapna Alex & Manju R.V. · Journal of Advances in Biology & Biotechnology · 2025

Mid whorl yellowing disease (MWYD) of coconut, a disease of an unknown etiology, has caused severe damage to coconut cultivation in southern tracts of Kerala, India. A periodic and purposive roving survey was conducted from 2021 to 2024, over four southern districts of AEU 9 (Sou...

Open access Research Article 10.9734/jabb/2025/v28i22010

Organic Carbon and Biological Properties of Soils in Various Agro-Ecological Units of Kerala, India

Adilakshmi K., Aparna B., Rani B., Gladis R., Naveen Leno, Usha C. Thomas & Visveswaran S. · International Journal of Environment and Climate Change · 2023

A study was carried out in four agro-ecological units (AEUs), viz., southern laterites (AEU 8), south central laterites (AEU 9), north central laterites (AEU 10), and the northern laterites (AEU 11) of Kerala, with the objective of detailing the soil fertility status of the study...

Open access Research Article 10.9734/ijecc/2023/v13i113464

Chemical Status of Different Agro-Ecological Units of Kerala: A Comprehensive Study

Adilakshmi K., Aparna B., Rani B., Gladis R., Naveen Leno & Usha C. Thomas · International Journal of Plant & Soil Science · 2023

A study was carried out in selected panchayats/municipalities of the four agro-ecological units (AEUs), AEU 8 (Southern laterites), AEU 9 (South central laterites), AEU 10 (North central laterites), and AEU 11 (Northern laterites) of Kerala to assess the electrochemical propertie...

Open access Research Article 10.9734/ijpss/2023/v35i214021