1,721,604 research outputs found

    Kumar Joginder — Population and land in world agriculture

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    Longone Pierre. Kumar Joginder — Population and land in world agriculture. In: Population, 29ᵉ année, n°2, 1974. p. 382

    Accounting for Impact of Environmental Degradation in Agriculture of Indian Punjab

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    Having witnessed a fast growth, the agriculture in Punjab has reached a plateau. To sustain even the existing level, the costs are increasing and natural resources are being depleted due to overuse. This study has examined the use of certain resources and its impact on the cost of production. The data have been collected from different primary and secondary sources. The fast increase in area under rice and wheat appears to be unsustainable due to the fast decline in water table. Therefore, the cost of pumping out water with electricity has been going up, shortage of electric power has resulted in increase in the number of electric and diesel tubewells, further escalating the cost of production. The replenishment of soil health due to depleting macro and micronutrients and increased pesticide-use have also been observed to increase the cost. Thus, the cost on account of these factors together has gone up by Rs 63/t in wheat and Rs 189/t in rice. The varietal diversity of wheat has decreased and that of rice crop has increased during the past two and a half decades. The policy measures to minimize excessive use of natural resources requires suitable input pricing, particularly for water resource, improving input-use efficiency and revamping market forces to encourage diversification of state agriculture from rice to alternative crops.Agricultural and Food Policy,

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Leafy drugs from Tehsil Joginder Nagar, District Mandi, Himachal Pradesh, India

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    The aim of present study is to provide information of leafy drugs available at tehsil Joginder Nagar, District Mandi of Himachal Pradesh. During the course of study, 161 plant species of 73 families and 143 genera belonging to two different taxonomic groups’ i.e angiosperms and gymnosperms were collected. Out of these 73 families, 72 families belong to angiosperms (62 families belong to Dicotyledons and 10 belong to Monocotyledons) and 01 gymnosperms. All plant specimens were preserved in the form of herbarium, authenticated and enumerated with their Botanical, Family and Local name. All plants were compared with the existing literature for their medicinal value

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Studies on Medicinal Plants used in Ayurveda, Unani and Siddha Systems of Medicine, available in Tehsil Joginder Nagar

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    The present study is the outcome of the survey of medicinal plants conducted in different areas of tehsil Joginder Nagar, District Mandi (H.P.) during April 2012 to December 2013. During the course of study, 100 plant species of 90 genera and 57 families belonging to three different taxonomic groups i.e. angiosperms, gymnosperms and pteridophytes were collected and preserved in the form of herbarium after drying in the folds of blotting sheets. Plants were identified and enumerated along with their Botanical name, Family name, Local name, Ayurvedic name, Unani name and Siddha name. A checklist has been prepared after comparing with the existing literature of Ayurveda, Unani, and Siddha systems of medicine
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