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Kokilavani, S.
- Identification of Efficient Cropping Zone for Rice, Maize and Groundnut in Tamil Nadu
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Authors
Affiliations
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-3, IN
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-3, IN
Source
Indian Journal of Science and Technology, Vol 6, No 10 (2013), Pagination: 5298-5301Abstract
A methodological study was made at the Agro Climate Research Centre, Tamil Nadu Agricultural University, and Coimbatore during 2012 to identify the potential districts for cultivation of rice, maize and groundnut in Tamil Nadu. The data on area, production and productivity of study crops for 2000–‘01 to 2009–‘10 were collected and indices such as Relative Spread Index (RSI) and Relative Yield Index (RYI) were computed and the potential cropping districts for the study crops were identified. In Tamil Nadu, nine districts were found to be prospective regions for rice, seven districts for maize and three districts for groundnut as in these areas both the RYI and the RSI were high. In some of the districts, RSI is more for a particular crop, while the RYI is low indicating non suitability of that crop. However, due to other factors such as market demand and value of the produce, farmers cultivate the crops that are not suitable for their location which relates in high RSI with low RYI.Keywords
Efficient Cropping Zone, Relative Spread Index, Relative Yield IndexFull Text
References
- Sanbagavalli S, Rohini A et al. (2002). Efficient cropping zones - decadal analysis for major crops in Tamil Nadu, Indian Journal of Agricultural Research, vol 36(4), 227–233.
- Thavaprakaash N, Babu C et al. (2008). Identifying potential cropping zones for important horticultural crops of Tamil Nadu, The Madras Agricultural Journal, vol 95(7–12), 418–424.
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- Kanwar J (1972). Cropping patterns, scope and concept, In. Proc. Symp, on Cropping Pattern in India, ICAR, New Delhi, 11–32.
- Narayanan A L, Balasubramanian T N et al. (2003). Identification of efficient rice cropping zone for union territory of Pondicherry, The Madras Agricultural Journal, vol 90 (10–12), 729–731.
- Poornima S, Kokilavani S Et al. (2008). Examining the prospective cropping zone of important field crops of Tamil Nadu, The Madras Agricultural Journal, vol 95 (7–12), 364–370.
- Evaluation of Weather based Crop Insurance Products for Kharif Rice
Abstract Views :218 |
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Authors
Affiliations
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-641 003, IN
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore-641 003, IN
Source
Indian Journal of Science and Technology, Vol 8, No 12 (2015), Pagination:Abstract
Background/Objectives: WBCIS products proposed by three insurance providers were evaluated using historical weather data for kharif rice in Dharmapuri, Theni, Tirunelveli and Virudhunagar districts of Tamil Nadu. Rice is sensitive to moisture stress at reproductive stage as it consumes large amount of water during the major part of reproductive phase. Results/ Findings: Evaluation of the strike events revealed that all the study districts are highly vulnerable to deficit rainfall risk. The soil factor and the intensity of rainfall during critical stages of the crops must be considered for excess rainfall. Water holding capacity of the soil and the daily ET must be taken into account for consecutive dry days. Conclusion/Application: Hypothetical analysis showed that the product designed by AIC for Virudhunagar was reliable both in terms of threshold values and compensation rate per mm of rainfall under different phases of crop growing period. This could be supported through higher monetary returns benefited by the farmer at Virudhunagar district.Keywords
Insurance Companies, Payout, Product Design, Rice, Strike EventsFull Text
- Evaluation of Weather-Based Crop Insurance Products for Kharif Groundnut
Abstract Views :241 |
PDF Views:84
Authors
Affiliations
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
Source
Current Science, Vol 107, No 11 (2014), Pagination: 1866-1871Abstract
Weather-based crop insurance scheme (WBCIS) products proposed by four insurance providers was compared and evaluated using historical weather data for piloting WBCIS on kharif groundnut in Coimbatore, Dharmapuri, Theni, Tirunelveli and Virudhunagar districts of Tamil Nadu. Water deficits during the vegetative phases of groundnut crop generally delay flowering and maturity thereby reducing the crop growth and yield. The study revealed that the deficit rainfall risk was more pronounced in all the abovementioned districts, whereas the risk of excess rainfall impact could be clearly observed in Theni district. Though the occurrence of strike events was for phase- I of deficit rainfall cover, the rate per mm of rainfall fixed by IFFCO-TOKYO was quite low. The product designed for HDFC-ERGO and MS-Cholamandalam was similar, whereas the product for AIC and IFFCO-TOKYO was designed with little variation in context to excess rainfall cover and consecutive dry days. The compensation benefit realized by the farmers of Virudhunagar and Dharmapuri districts was higher followed by Theni because the compensation rate per mm of rainfall fixed by the company was higher, which favours the farmers.Keywords
Insurance Companies, Payout, Product Design, Strike Events.Full Text
- Providing Security to Medical Data
Abstract Views :195 |
PDF Views:3
Authors
Affiliations
1 Department of Computer Science and Engineering, Kumaraguru College of Technology, Coimbatore, IN
1 Department of Computer Science and Engineering, Kumaraguru College of Technology, Coimbatore, IN
Source
Wireless Communication, Vol 8, No 2 (2016), Pagination: 86-89Abstract
Wireless Medical Sensor Network (WMSN) is used in healthcare applications which have the collection of sensors connected to body or emergency care unit to monitor the patients’ vital signs. The privacy details of the patients have to be secured. Lot of techniques have been proposed to secure the health data. But there are some loop holes still exist for the attackers to hack the data. This is the major problem and to solve this issue some techniques have to be invented. In the proposed system we are comparing the four existing cryptosystems for its computation time. We choose the best one among them to encrypt the data.
Keywords
Security, Transmission of Data, Privacy.
- Drought intensity and frequency analysis using SPI for Tamil Nadu, India
Abstract Views :176 |
PDF Views:84
Authors
S. Kokilavani
1,
S. P. Ramanathan
1,
Ga. Dheebakaran
1,
N. K. Sathyamoorthy
1,
N. K. Maragatham
1,
R. Gowtham
1
Affiliations
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
1 Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore 641 003, IN
Source
Current Science, Vol 121, No 6 (2021), Pagination: 781-788Abstract
To assess the drought hazard for different agro-climatic zones of Tamil Nadu (TN), India, the present study deals with temporal trend and spatial pattern of drought over the period 1981–2019. Standardized Precipitation Index (SPI) has been used to detail the geographical variations of drought intensity, duration and frequency at multiple time steps. The spatial rainfall variability of the Southwest monsoon (SWM) ranged from 69.3 mm (Tuticorin) to 772.8 mm (the Nilgiris), and that for the Northeast monsoon (NEM) ranged from 277.8 mm (Krishnagiri) to 825.9 mm (Nagapattinam), while annual rainfall variability ranged from 558.8 mm (Tuticorin) to 1466.8 mm (the Nilgiris) for TN. Irrespective of all the regions, the frequency of moderate drought occurrence was higher compared to other drought nomenclature. The NEM season recorded on par and higher number of drought occurrences with respect to SWM season. Out of 39 years, TN experienced severely dry to extremely dry climate during 2002. The result underlines the potential of SPI in drought identification and also revealed that the rainfall is strongly linked to drought policies and measures implemented for the state.Keywords
Northeast monsoon, rainfall, southwest monsoon, spatial variability, standardized precipitation indexFull Text
References
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- Kokilavani, S., Panneerselvam, S. and Dheebakaran, Ga, Centurial rainfall analysis for drought in Coimbatore city of Tamil Nadu, India. Madras Agric. J., 2019, 106(7–9), 484–487.
- Ramaraj, A. P., Kokilavani, S., Manikandan, N., Arthirani, B. and Rajalakshmi, D., Rainfall stability and drought valuation (using SPI) over southern zone of Tamil Nadu. Curr. World Environ., 2015, 10(3), 928–933.