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R. Manivannan

Publications (8)

Evaluation of Antidiabetic Activity of Ethyl Linoleate Isolated from Decalepis hamiltonii Wight and Arn Seed

A. Rayar & R. Manivannan · International Research Journal of Pure and Applied Chemistry · 2015

Aims: The main objective of the study was designed to screen the phytochemical constituents of the seed of Decalepis hamiltonii Wight & Arn and also to study its effect on blood glucose level of rats. Study Design: Evaluation of Antidiabetic Activity of Ethyl Linoleate. Place...

Open access Research Article 10.9734/IRJPAC/2015/19222

Performance of Stress Indices in Assessing High Yield Potential of Rice Genotypes in Sulfur Deficient Soil

M.V Sriramachandrasekharan, R. Manivannan & M Ravichandran · International Journal of Plant & Soil Science · 2014

Aim: To recognize the rice genotypes based on stress indices which would give higher yield both under sulfur stress and non-stress conditions. Design Factorial Randomized design with two factors Place and Duration of Study: It was conducted in the farmers field( Chidambaram and K...

Open access Research Article 10.9734/IJPSS/2014/10145

Synergistic Effects on Silicon and Selenium on Growth, Yield and Protein Content in Blackgram (Vigna mungo L.) Grown in Coastal Saline Soil

K. Sriram, P. Senthilvalavan & R. Manivannan · International Journal of Plant & Soil Science · 2026

Salinity stress severely limits pulse productivity in coastal agro-ecosystems by inducing ionic imbalance and oxidative damage. Although silicon and selenium are known to enhance plant stress tolerance individually, information on their combined application under coastal saline s...

Open access Research Article 10.9734/ijpss/2026/v38i66099

Carbon Sequestration in Low Land Paddy Soils: Effect of Certain Cultural and Nutrient Management Practices: A Review

Senthilvalavan P., M. V. Sriramachandrasekharan, R. Manivannan, C. Ravikumar, M. Lalitha, U. Surendran & Pritpal Singh · International Journal of Environment and Climate Change · 2023

Carbon(C) is the only key to running in this worldly life and without carbon, nothing can be ensured, but the amount and form of C in different spheres of the earth make numerous changes. Changes in the carbon levels cause the lives of all living things. Soil carbon flux directly...

Open access Research Article 10.9734/ijecc/2023/v13i102986

INM-A Potential Way of Farming in Reduction of CH4 and CO2 Emission in Rice-sunflower Sequential Cropping System

C. Ravikumar, P. Senthilvalavan & R. Manivannan · International Journal of Environment and Climate Change · 2023

Aim: To find out the CH4 and CO2 emission pattern and the considerable amount of SOC sequestered by using different organic sources in sandy clay loam soil. Study Design: Randomized Block Design. Place and Duration of the Study: The study was conducted in a farmer's field at Ayan...

Open access Research Article 10.9734/ijecc/2023/v13i71895

Effect of Silicon Fertilization on Agro-Morphological Traits of Grand Naine Banana Grown in Typic Ustifluvent Soil

V. Arthi, M. V. Sriramachandrasekharan, R. Manivannan & Arumugam Shakila · International Journal of Plant & Soil Science · 2020

Aims: Banana is the fifth largest agricultural commodity in the world trade after cereals, sugar, coffee and cocoa and second largest fruit crop in the world. The main objective of the study is to know the performance of banana to silicon fertilization grown in typic ustifluvent...

Open access Research Article 10.9734/ijpss/2020/v32i1930395

Assessing the Impact of Co-fertilization of Silicon with Macronutrient Fertilizers on Yield, Nutrient Uptake, use Efficiency and Grain Quality of Rice in Sandy Clay Loam Soil

V. Arthi, M. V. Sriramachandrasekharan, P. Senthilvalavan & R. Manivannan · International Journal of Plant & Soil Science · 2023

This study wanted to clarify the impact of silicon (Si) fertilization on nutrient uptake, silicon use efficiency, yield and quality of rice and to detect the rate and mode of application of Si fertilizer in silicon deficient soil. The field experiment was conducted with ten treat...

Open access Research Article 10.9734/ijpss/2023/v35i62837

Productivity of Irrigated Groundnut as Influenced by Potassium and Sulphur Nutrition in Sandy Clay Loam Soil

S. Naveenkumar, C. Ravikumar, R. Rex Immanuel, P. Senthilvalavan & R. Manivannan · International Journal of Environment and Climate Change · 2022

Field experiments were conducted during the Kharif and rabi season of 2021 in the farmer’s field of Perampattu Village, Tirupattur Taluk & District, TN, India to study the effect of K and S management in groundnut. The soil of the experiment field belongs to sandy clay loam,...

Open access Research Article 10.9734/ijecc/2022/v12i1131241