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Balasubramanian, T. N.
- Relationsmp between DBH and Wood Volume in Casuarina equisetifolia
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Indian Forester, Vol 126, No 6 (2000), Pagination: 653-656Abstract
A field experiment was conducted at Sugarcane Research Station (Tamil Nadu Agriculture University) Cuddalore during 1993-96 to find out the effect of bioinoculants, nitrogen and phosphorus fertilizers on the growth and wood volume of Casuarina equisetifolia. The data collected from the study were used for the development of prediction equations for the non destructive estimation of various components of dry matter of Casuarina equiselifolia viz. bole weight, branch weight, foliage weight and ischolar_main weight from the easily measurable data like tree height and DBH (Diameter at Breast Height). The results of the path coefficient analysis revealed that the DBH showed maximum predominant direct effect since it is the best predictor to decide the wood volume of Cusuarina equisetifolia.
- Sustaining the Productivity of Casuarina equisetifolia by Dual Inoculation with Frankia and VAM
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Indian Forester, Vol 132, No 8 (2006), Pagination: 985-988Abstract
Casuarina equisetifolia is highly suitable for coastal wasteland afforestation. Planting of superior elite seedling plays an important role in successful afforestation. The tripartite association involving effective Frankia strain, efficient VAM and Casuarina seedling was established under pot culture condition. The results of the pot experiment revealed that 57 per cent increased drymatter accumulation per plant and enhanced nitrogen and phosphorus uptake of 205 and 177 per cent respectively due to dual inoculated seedling at 105 DAI was noticed over uninoculated control.- Evaluation of Weather based Crop Insurance Products for Kharif Rice
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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