Fao Fertilizer Yearbook Vol 39

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Fao Fertilizer Yearbook Vol 39

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Author : Rome F. A. O.
language : en
Publisher:
Release Date : 1990

Fao Fertilizer Yearbook Vol 39 written by Rome F. A. O. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.

Yearbook Of The United Nations Volume 39 1985

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Author : United Nations
language : en
Publisher: Martinus Nijhoff Publishers
Release Date : 2023-08-28

Yearbook Of The United Nations Volume 39 1985 written by United Nations and has been published by Martinus Nijhoff Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-28 with Law categories.

Management Of Biological Nitrogen Fixation For The Development Of More Productive And Sustainable Agricultural Systems

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Author : J.K. Ladha
language : en
Publisher: Int. Rice Res. Inst.
Release Date : 1995-09-30

Management Of Biological Nitrogen Fixation For The Development Of More Productive And Sustainable Agricultural Systems written by J.K. Ladha and has been published by Int. Rice Res. Inst. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-09-30 with Nature categories.

Reprinted from Plant and Soil, v.174, nos.1-2 (1995), this volume is devoted to discussions on the role of biological nitrogen fixation (BNF) in agricultural sustainability. Papers presented on BNF in crop forage and tree legumes are augmented with discussion of integrated farming systems involving BNF, soil and N management, and recycling of legume residues. BNF by non-legumes is discussed and attempts to transform cereals into nodulating plants are critically reviewed. Also described are advances in the development of new methodologies to understand symbiotic interactions and to assess N-2 fixation in the field; means of enhancing BNF through plant and soil management; breeding and selection; problems encountered in exploiting BNF under farmers' field conditions; and promising approaches to improve BNF exploitation. Lacks a subject index. Annotation copyright by Book News, Inc., Portland, OR

Fao Fertilizer Yearbook Vol 43

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Author : Rome F. A. O.
language : en
Publisher:
Release Date : 1990

Fao Fertilizer Yearbook Vol 43 written by Rome F. A. O. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.

New Perspectives On Nitrogen Cycling In The Temperate And Tropical Americas

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Author : Alan R. Townsend
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

New Perspectives On Nitrogen Cycling In The Temperate And Tropical Americas written by Alan R. Townsend and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Inputs of nitrogen to terrestrial and aquatic ecosystems have increased several-fold over the last one hundred and fifty years, with the steepest increases during the last four decades. The expansion of fertilizer manu facture and use, the increase in fossil fuel combustion, the intensification of animal husbandry, and widespread cultivation of N2 fixing crops have all contributed to the dramatic increase in N inputs. The increase has been most rapid in Northern Hemisphere (NH) temperate ecosystems, but presently subtropical and tropical regions of Asia are also experiencing an explosive increase in N inputs to terrestrial ecosystems (W. Chameides, pers. comm. ; Galloway et al. 1996). Projected increases in N deposition for these trop ical and subtropical regions, with a high natural background of N inputs, exceed increases projected for temperate and arctic regions (Cleveland et al. submitted; Galloway et al. 1994; Holland & Lamarque 1997a). Compared to biological N fixation, N deposition is becoming a proportionately greater source of N to terrestrial and aquatic ecosystems worldwide (Vitousek et al. 1997). 6 The nitrogen contained in the atmosphere as N , 3. 9 * 10 Tg (Tg = 2 12 10 g), is the largest reservoir of N in the Earth system (Warneck 1988). However, this paper focuses on the nitrogen emissions and deposition that have been transformed from N2 into reactive forms that are biologically avail able (e. g. Vitousek et al. 1997).

Policy Options For Stabilizing Global Climate

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Author :
language : en
Publisher:
Release Date : 1990

Policy Options For Stabilizing Global Climate written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Climatic changes categories.

Fao Publications Catalogue

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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher:
Release Date : 1995

Fao Publications Catalogue written by Food and Agriculture Organization of the United Nations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agriculture categories.

Fao Fertilizer Yearbook 1983

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Author :
language : en
Publisher:
Release Date : 1983

Fao Fertilizer Yearbook 1983 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.

Frontiers On Recent Developments In Plant Science

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Author : Aakash Goyal
language : en
Publisher: Bentham Science Publishers
Release Date : 2012

Frontiers On Recent Developments In Plant Science written by Aakash Goyal and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Science categories.

"Frontiers on Recent Developments in Plant Science is an edited, peer-reviewed volume comprised of a collection of individual chapters from leading research groups across different continents. Due to its multidisciplinary nature, the combined experiences a"

Saving Our Planet

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Author : Mostafa K. Tolba
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Saving Our Planet written by Mostafa K. Tolba and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Saving Our Planet analyses the changes (both positive and negative) that have occurred in the environment in the past two decades. It focuses not only on the state of the environment but also on the interactions between development activities and the environment. It highlights the main responses since 1972 to protect the environment. It is based on a wide-ranging review of the scientific literatue, UNEP reports (and other sources) and over 500 references are listed.