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V. Guhan

Publications (19)

Investigation of Climate Variability Over High Rainfall Zone of Tamil Nadu, India

V. Guhan, V. Geethalakshmi, K. Bhuvaneswari, M. Rajavel, Dhanya Praveen, G. R. Mugilan, S. Pavithra & K. Senthilraja · International Journal of Environment and Climate Change · 2020

Rainfall is one of the most important climatic variables that determine the spatial and temporal patterns of climate variability of a region, which also provides useful information for the planning of water resources, agricultural production, and others. Climate change is one of...

Open access Research Article 10.9734/ijecc/2020/v10i1130264

Evaluation of Drought Characteristics Using the Reconnaissance Drought Index (RDI) over Parambikulam Aliyar Basin of Tamil Nadu

V. Guhan, V. Geethalakshmi, S. Panneerselvam, A. Raviraj, A. Lakshmanan, S. P. Ramanathan, N. Kowshika & K. Bhuvaneswari · International Journal of Environment and Climate Change · 2020

Drought tends to be a creeping phenomenon occurs gradually with the deficiency in rainfall further extending its impact on sectors which are dependent on water. The drought characteristics were analysed in Parambikulam Aliyar Project (PAP) basin based on the European Centre for M...

Open access Research Article 10.9734/ijecc/2020/v10i930246

Low-cost Nursery Media for Improving Germination of Chip Budded Seedlings for SSI

K. Annadurai, V. Guhan, D. Janaki, R. Nageswari & A. Vijayaprabhakar · Journal of Experimental Agriculture International · 2024

The quality and vigour of the chip budded seedlings are important components in SSI technology which in turn, depends on the nature of growing media. The most commonly used media for chip budded seedlings is pure coco peat which is a costlier one and availability is also restrict...

Open access Research Article 10.9734/jeai/2024/v46i62506

Estimation of Meteorological Drought in Bhavanisagar Block using Weather Cock Software as a Tool

M. Rajavel, V. Guhan, V. Vakeswaran, K. Bhuvaneswari, R. Gowtham & S. Priyanka · International Journal of Environment and Climate Change · 2022

Drought happen aimlessly and there is no periodicity in its event and can't be anticipated ahead of time. In semiarid stations, the event of precipitation is occasional and is known something else for its changeability regarding reality. Meteorological drought is characterized as...

Open access Research Article 10.9734/ijecc/2022/v12i1030902

Estimation of Reference Evapotranspiration in Bhavanisagar Block of Tamil Nadu Using FAO ETo Calculator

M. Rajavel, V. Guhan, V. Vakeswaran, K. Bhuvaneswari, R. Gowtham & S. Priyanka · International Journal of Plant & Soil Science · 2022

The FAO Penman-Monteith equation is used by the ETo calculator software to calculate reference evapotranspiration – ETo from meteorological data. FAO chose this technique as the standard because it is physically based, roughly approximates grass ETo in the studied region, and exp...

Open access Research Article 10.9734/ijpss/2022/v34i1831172

Production of Nungu Candy: An Experimental Study

M. Marimuthu, S. Easwaran, V. Guhan & R. Vinoth · International Journal of Plant & Soil Science · 2023

The palmyrah fruit is a naturally occurring, nutritionally dense fruit that has the potential to be a source of many goods with added value. Due to a lack of mechanisation and value addition, the juice of palmyrah is only available during certain seasons and is quite inexpensive....

Open access Research Article 10.9734/ijpss/2023/v35i103054

Preparation, Sensory and Storage Evaluation of Ber Candy in India

M. Marimuthu, S. Easwaran, V. Guhan & R. Vinoth · International Journal of Plant & Soil Science · 2023

In the northern hemisphere, ber is a fruit that grows in tropical and subtropical climates. More than 600 species in 50 genera make up the family. The species Z. jujube Mill (Chinese date or jujube), Z. mauritiana Lamk (Indian date or ber), and Z. spina christi (L.) wild (Christ'...

Open access Research Article 10.9734/ijpss/2023/v35i93071

Preparation and Organoleptic Evaluation of Banana Pseudostem Candy

M. Marimuthu, S. Easwaran, V. Guhan & R. Vinoth · International Journal of Plant & Soil Science · 2023

Along with the growth and processing of banana fruit, a considerable amount of biomass (pseudostem, bloom, leaves, and suckers) is also produced. The extra biomass is left in the field after bunches are harvested and is either burned, dumped into lakes and rivers or just left on...

Open access Research Article 10.9734/ijpss/2023/v35i83076

Studies on the Effect of Integrated Nutrient Management on Soil Health of Tea (Camellia sp.)

S. Easwaran, M. Marimuthu & V. Guhan · International Journal of Plant & Soil Science · 2023

A field trial was conducted at Parry Agro Industries Ltd., Valparai, Coimbatore district in two varieties of tea viz., Assam jat and ATK clone. On Eighteen treatments with different combinations of 100, 75, 62.5 and 50 per cent of the recommended doses of fertilizers along with D...

Open access Research Article 10.9734/ijpss/2023/v35i73077

Studies on the Effect of Integrated Nutrient Management on Drought Influenced Parameters in Tea (Camellia sp.)

S. Easwaran, M. Marimuthu & V. Guhan · International Journal of Environment and Climate Change · 2023

Investigation was conducted at Parry Agro Industries Ltd., Valparai, Coimbatore district in two varieties of tea viz., Assam jat and ATK clone. Totally eighteen treatments with different combinations of 100, 75, 62.5 and 50 per cent of the recommended doses of fertilizers along w...

Open access Research Article 10.9734/ijecc/2023/v13i32075

Preparation and Evaluation of Blended Amla (Emblica officinalis Gaertn) Beverages

M. Marimuthu, S. Easwaran, V. Guhan & R. Vinoth · International Journal of Plant & Soil Science · 2023

Freshly harvested fruits of three Amla cultivars viz., Krishna, Chakaiya and Kanchan were evaluated for the average weight of fruit. Krishna showed the highest weight (39 g) followed by Kanchan (31g) and Chakaiya (25g). The total soluble solids (TSS) of the pulp were determined u...

Open access Research Article 10.9734/ijpss/2023/v35i33084

Effect of Integrated Nutrient Management on Pruning Recovery in Tea (Camellia sp.)

S. Easwaran, M. Marimuthu & V. Guhan · International Journal of Environment and Climate Change · 2023

The Experiment was conducted at Parry Agro Industries Ltd., Valparai, Coimbatore district in two varieties of tea viz., Assam jat and ATK clone. Totally eighteen treatments with different combinations of 100, 75, 62.5 and 50 per cent of the recommended doses of fertilizers along...

Open access Research Article 10.9734/ijecc/2023/v13i22074

Studies on the Effect of Integrated Nutrient Management on Leaf Nutrient Status and Enzymes Activities in Tea (Camellia sp.)

S. Easwaran, M. Marimuthu & V. Guhan · International Journal of Plant & Soil Science · 2023

An experiment was conducted in two varieties of tea viz., Assam jat and ATK clone at Parry Agro Industries Ltd., Valparai, Coimbatore district. The experiment consisted of eighteen treatments with different combinations of 100, 75, 62.5 and 50 % of the recommended doses of fertil...

Open access Research Article 10.9734/ijpss/2023/v35i23078

Standardization of Nutrients Required for Raising Pro Tray Chip Budded Sugarcane Seedlings for Sustainable Sugarcane Initiative (SSI) Technology

K. Annadurai, R. Nageswari, D. Janaki, V. Guhan & A. Vijayabhaskar · Journal of Experimental Agriculture International · 2024

Field investigateions were carried out for the standardization for improving the quality of protray chip budded seedlings of sugarcane (Saccharum officinarum L.) for SSI (Sustainable Sugarcane Initiative). The research was conducted under shade net conditions at Sugarcane Researc...

Open access Research Article 10.9734/jeai/2024/v46i92854

Deviation in Occurrence of Climatic Drought Over Western Zone of Tamil Nadu

M. Rajavel, C. Pradipa, K. Bhuvaneeshwari, V. Guhan, V. Vakeswaran, R. Gowtham & S. Prinyanka · International Journal of Environment and Climate Change · 2022

Drought is the major precipitation anomaly that has greater impact on water resource management, ground water table and agricultural production. The WASP index (Weighted Anomaly of Standardized Precipitation Index) was estimated for a period 1901-2019 (119 years) – four time scal...

Open access Research Article 10.9734/ijecc/2022/v12i1030901

District Level Crop Weather Calendars and Advisories for Kharif Rice in Odisha, India

Rajashree Khatua, A. Nanda, A. K. B. Mohapatra, A. Mahapatra, V. Guhan & P. Praveenkumar · International Journal of Environment and Climate Change · 2024

The crop weather calendar is a visual depiction of key facts about crop growth phases, typical crop water requirements, and alerts that should be sent out in response to weather that is conducive to the spread of pests and diseases. Farmers and other stakeholders may successfully...

Open access Research Article 10.9734/ijecc/2024/v14i114573

Effect of Weed Management Practices of Small Onion (Allium cepa var. Aggregatum) Nursery on the Weed Flora, Weed Control Efficiency and Seedling Production

N. K. Sathyamoorthy, R. Pradhap, V. Geethalasksmi, S. P. Ramanathan, K. Bhuvaneswari, P. Prakash, V. Guhan, Ga. Dheebakaran, S. Kokilavani, C. Pradipa & N. Vadivel · International Journal of Plant & Soil Science · 2022

Control of weeds in nursery is necessary for production of healthy and sturdy seedlings. In this regard, field experiments were conducted to study the effect of different weed management practices on weed control efficiency and performance of onion seedling in nursery at two phas...

Open access Research Article 10.9734/ijpss/2022/v34i1931228

Subsurface Drip Fertigation, Irrigation Regimes and Short Duration Pulses on Productivity of Cotton-Maize Cropping Sequence

N. K. Sathyamoorthy, R. Ragavan, J. Prabhakaran, P. Prakash, S. P. Ramanathan, Ga. Dheebakaran, V. Guhan, R. Senthil Raja, S. Kokilavani & K. Bhuvaneswari · International Journal of Plant & Soil Science · 2022

Fertigation, a latest technology wherein nutrients are applied along with irrigation water. Fertigation opens new possibilities for controlling water and nutrient supplies to crops besides maintaining the desired concentration and distribution of water and nutrients to the soil....

Open access Research Article 10.9734/ijpss/2022/v34i1831199

Evaluating the Irrigation Regimes and Fertigation Schedule of Red Gram (Co (Rg) - 7) under Drip Irrigation System

N. K. Sathyamoorthy, S. Krishnasamy, C. Swaminathan, J. Prabhakaran, S. P. Ramanathan, M. Anbarasu, K. Senthilraja & V. Guhan · International Journal of Environment and Climate Change · 2022

Red gram occupies a unique position in Indian agriculture by constituting the regular protein supplier to the average Indian diet. Field experiments were carried out to evaluate the effect of different irrigation regimes of drip irrigation on red gram under two different of  meth...

Open access Research Article 10.9734/ijecc/2022/v12i1030948