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Author: International Institute for Sugar Beet Research. Winter Congress
Publisher:
ISBN:
Category : Sugar beet
Languages : en
Pages : 416
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Author: International Institute for Sugar Beet Research. Winter Congress
Publisher:
ISBN:
Category : Sugar beet
Languages : en
Pages : 416
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Book Description
Author: International Institute for Sugar Beet Research. Congress
Publisher:
ISBN:
Category : Sugar beet
Languages : en
Pages : 508
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Author:
Publisher: IICA Biblioteca Venezuela
ISBN:
Category :
Languages : en
Pages : 54
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 854
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Author:
Publisher:
ISBN:
Category : Periodicals
Languages : en
Pages : 1892
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A union list of serials commencing publication after Dec. 31, 1949.
Author: S.B. Sharma
Publisher: Springer Science & Business Media
ISBN: 9401590184
Category : Science
Languages : en
Pages : 466
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Book Description
When Franklin published her book on cyst nematodes in 1951, the cyst nematodes were already known as serious pests of brassicas, cereals, potatoes and sugar beets. However, at that time this group of nematode, with about 12 species, was considered tobe largely temperate in distribu tion. Now a total of 105 species (including those that are considered as synonyms or species inquirende by some or all) within six genera of cyst nematodes have been described from temperate, tropical, and subtropical regions and at least five species are important constraints to crop produc tion in tropical agriculture. The previous impression of localization of cyst nematodes in the temperate region was seemingly an artifact due to a greater concentration of nematologists in the temperate regions. Based on my own experience of working in several Asian and African countries, I believe that many more undescribed species are present in the tropical countries of Asia and Africa, and probably in other tropical regions. Most growers, extension workers, and research managers in these regions are still not aware of the possible harm of presence of these nematodes in their agricultural soils. The cyst nematodes are perhaps smaller than the smallest available computer chip but they are very well programmed to survive and pro pagate despite severe hardships. These nematodes are very selective in their choice of food; about 50% of known species are parasites of plants mainly in the families Poaceae and Fabaceae.
Author: M.R. Saric
Publisher: Springer Science & Business Media
ISBN: 9400968361
Category : Science
Languages : en
Pages : 467
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Book Description
The idea of addressing the problem of the genetic specificity of mineral nutrition at an international level arose four years ago in a proposal for this topic to be included in the program of the II Congress of the Federation of European Societies for Plant Physiology (FESPP) as a separate section. The Organising Committee of the II Congress of FESPP which was held in Santiago de Compostella in 1980 arranged a special session and it was clearly successful. A special scientific meeting where the genetic aspects of plant nutrition in their widest sense could be presented and discussed comprehensively appeared to be necessary and that is how this Symposium came to be organized by the Serbian Academy of Sciences and Arts. Much progress has already been achieved in this field, and bearing in mind the importance of this problem, particularly at the present moment, it is necessary for us both to acquaint ourselves with what has been achieved so far, and even more to direct attention and effort to the fundamental problems for the future.
Author: British Library. Document Supply Centre
Publisher:
ISBN:
Category : Conference proceedings
Languages : en
Pages : 538
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Author: Great Britain. Patent Office. Library
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 452
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Author: C.A.B. International
Publisher:
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 528
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Book Description
List of journal titles included in CAB abstracts database. Entries give title, country of publication, publisher, and ISSN number. Also contains separate lists on annual reports, conference proceedings, ISSN's, and publishers.
