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T. Ragavan

Publications (6)

Validation and Sensitivity Analysis of the AquaCrop Model for Deficit and Surplus Water Management in Hybrid Maize

A. Bharathi, T. Ragavan & V. Geethalakshmi · Journal of Agriculture and Ecology Research International · 2025

The FAO's Land and Water Division created the water-driven model AquaCrop to model how various herbaceous crops' yields would react to water. As a vital component, water has drawn the interest of scholars and decision-makers worldwide. They came to the conclusion that using the A...

Open access Research Article 10.9734/jaeri/2025/v26i4679

Assessing the Synergistic Effects of Deficit Irrigation and Growth Retardants on Insitu Sprouting and Quality Parameters of Groundnut VRI 8

R. Ezhilarasi, T. Ragavan, E. Subramanian, R. Amutha & A. Mothilal · International Journal of Environment and Climate Change · 2024

Background: Groundnut is a crucial oilseed crop cultivated year-round, with seed dormancy controlled by genetic and environmental factors. Preventing pre-harvest sprouting is essential, as it is a common issue. To study the effect of deficit irrigation management and foliar appli...

Open access Research Article 10.9734/ijecc/2024/v14i104510

Exploring Pod Seeded Groundnut and its Response to Spacing and Nutrient Levels

S. Swetha & T. Ragavan · International Journal of Plant & Soil Science · 2024

Groundnut is cultivated mainly by small and marginal farmers. Seed cost and sowing are stated to be the most expensive operations which combined are responsible for about 45% of the entire cost of groundnut cultivation. The seed cost is increased mainly by the operation of shelli...

Open access Research Article 10.9734/ijpss/2024/v36i64695

Growth and Yield of Sugarcane (Saccharam officinarum) as Influenced by Planting Materials and Plant Geometry

K. Sathiya, A. Thirumurugan, T. Ragavan, S. Sundaravadana, C. Vanitha & C. Harisudan · International Journal of Environment and Climate Change · 2024

Field experiments were conducted at Sugarcane Research Station, Melalathur, from 2010 to 2012, aiming to investigate the impact of plant geometry (5 x 2 ft single row, 5 x 1 ft double row) and various planting materials (single budded setts, double budded setts, and transplanting...

Open access Research Article 10.9734/ijecc/2024/v14i13882

Pedogenesis and Soil Resources Investigation of Major Soil Series of Ramanathapuram District, Tamil Nadu, India

S. Thenmozhi, P. Christy Nirmala Mary, T. Ragavan, J. Prabhaharan & P. Balasubramanian · International Journal of Plant & Soil Science · 2023

Detailed soil survey (DSS) was carried out in drought prone district of Ramanathapuram during April 2023 to find out the weathering pattern of the soil. Totally 4 soil profiles was excavated from Mandabam, Pudukudi, Paramakudi and Muthukulathur areas and studied for soil morpholo...

Open access Research Article 10.9734/ijpss/2023/v35i203817

Influence of Sulphur Fertilization on Yield, Nutrient Content and Uptake by Sugarcane in Sulphur Deficient soil of Thiruppuvanam Block of Sivagangai District

R. Raghunath, P. Saravana Pandian, P. P. Mahendran, T. Ragavan & R. Geetha · Current Journal of Applied Science and Technology · 2021

Effect of various levels of sulphur (50,100 and 150 kg ha-1) with three sources of sulphur fertilizers was studied on sugarcane crop in a field experiment conducted in Typic ustropept at Thiruppuvanam block of Sivagangai district during 2018-2019. The results revealed that the ap...

Open access Research Article 10.9734/cjast/2021/v40i1631422