74 research outputs found

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    Not AvailableIn rice-fallows of coastal Andhra Pradesh, sorghum cultivation is gaining popularity among farmers due to its high productivity (6.5 t/ha in 2010-11) whereas, the national productivity is very low (0.96 t/ha). With advancement in use of modern agricultural practices, the farmers were applying high inputs like, fertilizers, weedicides, pesticides, irrigations and labourer in order to obtained more grain yield. Seven promising cultivation practices were evaluated and validated and made available in the form of capsule for the farmers. By adopting these practices, grain yield could be obtained up to 8.00 t/ha, which resulted into an average of Rs. 78,000/- per ha gross profits excluding fodder price.ICAR-IIMR, Hyderaba

    Ethnobotanical study of traditional herbal plants used by local people of Seshachalam Biosphere Reserve in Eastern Ghats, India

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    Introduction: Ethnobotany is the study of medicinal plants used by local people, with particular importance of old-styled tribal beliefs and information. Ethnobotanical studies focus on ethnic knowledge of Adivasi people and development of data bases on ethnic knowledge but also focuses on preservation and regeneration of traditional beliefs and maintenance of traditional knowledge. Objective: The aim of present study is to highlight the traditional actions of herbal plants used by inborn Yanadi community of Seshachalam Biosphere Reserve, Eastern Ghats of Andhra Pradesh, India. Methods: The ethnobotanical field survey was conducted according to the methods adopted by some authors. In-depth interviews, interactions were conducted with tribal physicians of Yanadi, Nakkala and Irula as well as other tribes practicing and experiencing the use of plant-based medicine. A normal inquiry form was used to gather the appropriate data on herbal plants and their usage of inborn people’s lifestyle. Extensive consultations among local people and detailed documentation of the usage of plants were carried out in 2014–2017. The aged outmoded opinions and imposts of indigenous people conceded on by word of opening were documented. Results: A total of 266 medicinally used plant species belonging to 216 genera and 88 families were recognized with help of inborn herbal healers. The study also chronicled the mode of herbal arrangements, mode of the use of herbal plants in various disorders. The study exposed that native people of Seshachalam Biosphere Reserve have good medicinal information and also have preserved plant-based medicinal system of their ascendants used all their diseases. Most of medicinal plants are used in the treatment of indigestion, snake bite and skin diseases. The authors feel that this type of study certainly helps identify ethnic leads for drug development in future. Conclusions: The ethnobotanical investigation of Seshalam Biosphere area has revealed that the tribes possess good knowledge on plant-based medicine but as they are towards in advanced exposure to transformation, their information on traditional uses of plants is slowly getting eroded. The authors plead for intensive crosscultural studies involving all ethnic tribes in the country for prioritizing or short listing of ethnic leads for various disorders for ultimately developing global level drugs for human welfare and economy development

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    Not AvailableThe farm mechanization helps in reducing cost of cultivation and improves farm productivity, thus facilitate realizing the goal of doubling of farmer income by 2022. An assessment of credit potential for farm mechanization in Telangana state of India has been made. The potential for farm mechanization in the state was worked out based on the cultivated area (irrigated and rainfed) and farm power requirement as also the existing farm power availability and need for replacement of existing sources of farm power. First, district wise credit potential was worked out and these were aggregated to assess the state level credit potential for farm mechanization. In total, 20020 tractors, 4320 power tillers, 550 combined harvestors, 1050 crop specific Custom Hiring Centres, 660 Paddy transplanters, 1462 Paddy threshers, 1851 Maize shellers, 851 Multi crop threshers and 39206 Other equipment (Primary and secondary tillage equipment, rotavators, straw balers, chaff cutters and plant protection equipment, etc.) were estimated to be required. Further, the potential for credit support involving bank loan of Rs. 213723.81 lakh has been assessed for farm mechanization in Telangana state. It was found that there is immense potential for financing of tractors (large, medium and small/mini horse power), power tillers, rotavators, Paddy transplanters, Paddy straw balers, threshers, combine harvesters and other equipment, etc. The scope for supporting crop specific Custom Hiring Centres, 1050 in number with credit support of Rs. 11063.07 lakh was identified. The critical infrastructure gaps and interventions required to improve the level of farm power availability were identified. This paper presents an overview of the potential available and the road map for farm mechanization sector to realize the goal of doubling of farmer’s income by 2022 for the benefit of planners and policy makers as well as banks, NBFCs and prospectiveNot Availabl

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    Not AvailableFile attachedICAR-IIMR, Hyderaba

    Influence of masonry infill on fundamental natural frequency of 2D RC frames

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    Reinforced Concrete (RC) framed structures with Un-Reinforced Masonry (URM) infill panels form a major portion of all the RC framed structures worldwide. The URM panels are considered as non-structural members, which is fairly good assumption under gravity loads, however, it is not the same under lateral forces. Under seismic loads, the stiffness additions due to infill panels modify the dynamic behavior of the structure significantly by altering the frequency of the structure. A research project has been taken up at Earthquake Engineering and Vibration Research Centre (EVRC), Central Power Research Institute (CPRI), Bangalore to investigate the influence of masonry infill on fundamental natural frequency of RC frames. 2D RC frames of one bay and two bay having single storey, double storey and three storeys are cast and tested for bare frame and many combinations of URM infill panels. Tri-axial shake table is used for testing. The details of the numerical analysis and experimentation carried out in the research project are brought out in this paper

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    Not AvailableSix advanced sorghum hybrid crosses, viz. 2295A x CB3’, 456A x CB134, 3060A x B144, 3060A x CB50, 415A x CB33, 3060A x CB141 along with two popular hybrids CSH 16 and Mahalaxmi 296 were evaluated in rice-fallows under zero tillage during 2011-12 and 2012-13 at farmer’s field in Guntur district of Andhra Pradesh. An average grain yield of the evaluated advance hybrids, 456A x CB134 (9.05 t ha-1) and CSH 16 (8.62 t ha-1) were superior to 3060A x CB50 (7.32 t ha-1), 2295A x CB35 (6.86 t ha-1) and 3060A x B144 (6.85 t ha-1), but were significantly better than Mahalaxmi 296 (5.88 t ha-1). The increase in grain yield was mainly due to maximum panicle weight, 100-grain weight, panicles m-2, grain weight panicle-1 and grains panicle-1. The lowest grain yield (6.06 t ha-1 and 5.43 t ha-1) during both the years was recorded with Mahalaxmi 296, followed by 3060A x B144 (6.46 t ha-1) and 3060A x CB141 (5.99 t ha-1). The plant height had positive and highly significant correlation with stover yields which indicated that tall structure hybrids gave higher stover yield.ICAR-IIMR, Hyderaba

    ESTIMATION OF THE DYNAMIC PROPERTIES OF EPOXY GLASS FABRIC COMPOSITES WITH NATURAL RUBBER PARTICLE INCLUSIONS

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    Conventional materials are being replaced in the field of engineering by composite materials, due to their tailorable properties and high specific properties. These materials are extensively used in structural applications. Damping is one of the important properties of the materials used in structures, and needs to be enhanced in order to reduce structural vibrations. In the present work, the improvement of the material damping of glass fabric epoxy composites with particle rubber inclusions is studied. The effect of particle size on the damping and stiffness parameters at different frequencies and temperatures is studied experimentally. Considerable enhancement in damping without significant reduction in stiffness is observed at lower particle sizes. The damping property in both bending and shear modes is more with 0.254 mm rubber particle inclusions among the selected sizes. A lower reduction in stiffness is observed with the inclusion of lower particle sizes (0.254 mm and 0.09 mm) when compared with higher particle sizes. An ANN-based prediction model is developed to predict these properties for a given frequency/temperature and particle size. The predicted values are very close to the experimental values with an maximum error of 5%
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