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R. Manivannan

Publications (4)

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

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

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