Root Morphology of Co-occurring African Fruit Tree Species with Contrasting Strategies of Exploration and Exploitation PDF Download
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Author: Armin Oppelt
Publisher: Cuvillier Verlag
ISBN: 3898739856
Category : Fruit trees
Languages : en
Pages : 131
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Book Description
Author: Armin Oppelt
Publisher: Cuvillier Verlag
ISBN: 3898739856
Category : Fruit trees
Languages : en
Pages : 131
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Book Description
Author: Armin Oppelt
Publisher:
ISBN:
Category :
Languages : en
Pages : 117
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Book Description
Author: A. B. Ballantyne
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 302
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Book Description
Author: Hans de Kroon
Publisher: Springer Science & Business Media
ISBN: 9783540001850
Category : Science
Languages : en
Pages : 424
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Book Description
In the course of evolution, a great variety of root systems have learned to overcome the many physical, biochemical and biological problems brought about by soil. This development has made them a fascinating object of scientific study. This volume gives an overview of how roots have adapted to the soil environment and which roles they play in the soil ecosystem. The text describes the form and function of roots, their temporal and spatial distribution, and their turnover rate in various ecosystems. Subsequently, a physiological background is provided for basic functions, such as carbon acquisition, water and solute movement, and for their responses to three major abiotic stresses, i.e. hard soil structure, drought and flooding. The volume concludes with the interactions of roots with other organisms of the complex soil ecosystem, including symbiosis, competition, and the function of roots as a food source.
Author: V. A. Kolesnikov
Publisher:
ISBN: 9781410206947
Category : Science
Languages : en
Pages : 272
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Book Description
V. A. Kolesnikov is the author of the first manual on laboratory and field methods of root studies, originally published in Moscow in 1962, in which he summarized his 40 years of experience and made a comparative study of research methods used in the USSR and abroad. Side by side with research V. A. Kolesnikov has lectured at agricultural colleges as head of departments of pomology - in Krasnodar from 19278 to 1931, in Simferopol from 1932 to 1950 and in Moscow since 1951. He received his doctorate in 1947 and was elected a Corresponding Member of the Lenin Academy of Agricultural Sciences in 1960.The present book is a second revised edition of the manual on laboratory and field methods of root studies. It is the second book by V. A. Kolesnikov to be translated into English, the first being Fruit Biology.V. A. Kolesnikov was an undergraduate at the Timiryazev Agricultural Academy in Moscow when he first became absorbed in the study of fruit tree roots. That was in 1920. Four years later he published the first results of his research. By then he had unearthed certain correlations in the growth of root systems. The most fruitful of these related to the average root length of seedlings which the young research worker found to be constant for each species no matter what environment it grew in.Later on he used this root coefficient to develop a new and efficient method of root study, the so-called "free monolith" method, which is now extensively used in the USSR and some other countries. The author has also established that new root formation is always attended by the dying-off of roots, a phenomenon which he termed root shedding. The investigations conducted by the author in the MoscowRegion, and in subsequent years in the Crimea and Krasnodar Territories enabled him to advance a number of cultural recommendations on under-tree ploughing, the application of fertilizers, the time of watering, etc.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Book Description
The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Author: Venedikt A. Kolesnikov
Publisher:
ISBN:
Category : Roots (Botany)
Languages : en
Pages : 269
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Book Description
The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309452961
Category : Medical
Languages : en
Pages : 583
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Book Description
In the United States, some populations suffer from far greater disparities in health than others. Those disparities are caused not only by fundamental differences in health status across segments of the population, but also because of inequities in factors that impact health status, so-called determinants of health. Only part of an individual's health status depends on his or her behavior and choice; community-wide problems like poverty, unemployment, poor education, inadequate housing, poor public transportation, interpersonal violence, and decaying neighborhoods also contribute to health inequities, as well as the historic and ongoing interplay of structures, policies, and norms that shape lives. When these factors are not optimal in a community, it does not mean they are intractable: such inequities can be mitigated by social policies that can shape health in powerful ways. Communities in Action: Pathways to Health Equity seeks to delineate the causes of and the solutions to health inequities in the United States. This report focuses on what communities can do to promote health equity, what actions are needed by the many and varied stakeholders that are part of communities or support them, as well as the root causes and structural barriers that need to be overcome.
