Verfügbarkeit: Nitrogen cycling in West African ecosystems

Nitrogen cycling in West African ecosystems: Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978

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Bibliographische Detailangaben
Format:	Buch
Sprache:	Undetermined
Veröffentlicht:	Stockholm SCOPE/UNEP Internat.Nitrogen Unit 1980
Schlagworte:	Ökosystem Stickstoffkreislauf Westafrika Konferenzschrift
Online-Zugang:	Inhaltsverzeichnis
Beschreibung:	450 S.: graph.Darst., Tab.
ISBN:	9171900071

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MARC


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Datensatz im Suchindex

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adam_text	Titel: Nitrogen cycling in West African ecosystems Autor: Rosswall, Thomas Jahr: 1980 LIST OF CONTENTS Opening remarks — T. Rosswall .................................. 7 Opening remarks — W.K. Gamble ................................. 11 Joint FAO/IAEA/Federal Republic of Germany international coordinated programme of research on agricultural nitrogen residues with particular reference to their conservation as fertilizers and behaviour as potential pollutants............................................. 13 F.P.W. Winteringham The nitrogen cycle — General considerations.......................... 17 T. Rosswall Aspects of nitrogen cycling from an atmospheric chemist s point of view ....... 23 R. Söderlund Losses of pl^nt nutrients in runoff and eroded soil ...................... 31 R. Lai Nitrogen losses from disturbed ecosystems — ecological considerations ........ 39 P.M. Vitousek Microbiological considerations of the nitrogen cycle in West African ecosystems . . 55 Y. Dommergues, J.-L. Garcia and F. Ganry The nitrogen cycle in West Africa — agronomic considerations ............. 73 D.J. Greenland The nitrogen cycle — pedological considerations ....................... 83 V.N. Kudeyarov Productivity of Sahelian rangelands in relation to the availability of nitrogen and phosphorus from the soil................................... 95 F. W. T. Penning de Vries, J.M. Krul and H. van Keulen Le cycle de l azote dans les agro-systemes de l Afrique de l Ouest............ 115 G. Hainnaux Farming systems of West Africa in relation to nitrogen cycling .............. 131 B.N. Okigbo Nitrogen cycling in a semi-arid region of tropical Australia ................ 157 R. Wetselaar A survey of nitrogen levels in the major soils of Ghana ................... 171 G.K. Asamoa Nitrogen profile in a kaolinitic alfisol under fallow and continuous cultivation ... 181 A.S.R. Juo Nitrogen fixation by blue-green algal soil crusts in Nigerian savanna .......... 191 A.O. Isichei Fixation d azote par les légumineuses spontanées au Mali ................. 199 S. T. Sanogho, A. Sasson et J. Renaut Premièrs résultats concernant l inoculation du soja au Sénégal .............. 209 J. Wey Présence et distribution de Rhizobium japonicum et de Rhizobium cowpea dans les sols de Côte d Ivoire.................................... 215 M. Zengbé A deficiency of the symbiotic nitrogen fixation in a dry tropical agrosystem — the nitrogen chlorosis of groundnut (Arachis hypogaea) in Senegal ....... 221 J.J. Drevon The practicabilities of legume seed inoculation with rhizobium under Nigerian conditions ............................................ 233 S.D. Agboola Effect of tillage techniques and fertilizer nitrogen on the growth and yield of cowpeas in Sierra Leone ................................... 243 C.S. Kamara Mineral nutrition of cowpea ( Vigna unguiculata (L) Walp)................. 249 S. Uduzei Remison The effect of molybdenum and magnesium on the growth and yield of cowpea and soybean on an acid upland soil ............................ 255 E.R. Rhodes Weed control and nitrogen restoration with legumes in upland rice culture in Sierra Leone ........................................... 261 G.C. Nyoka Effects of plant density and increasing levels of nitrogen on the response and uptake of N by two maize (Zea mays L.) varieties .................. 269 F.K. Adeyefa, S. U. Remison and M.C. Igbokwe Nitrogen requirement of corn in a newly cleared loamy sand at Uyo, Nigeria: The effect of N fertilizer and liming materials ..................... 275 M.C. Igbokwe Determination de la fértilisation azoté de rédressement sur un sol en ouverture sous climat equatorial (Vallée du Niari, Congo) .................... 285 D. Dzaba Growth stimulation by dried poultry manure: Implications for nitrogen cycling in West African ecosystems ................................. 291 B.K. Ogunmodede The role of nitrogen oxides in oxidation of sulphur dioxide in combustion stack gases ............................................ 295 J. Pawlikowska-Czubak A re-evaluation of present concepts relating to nitrifier growth and production of nitrate in soil......................................... 303 E. Lyman Dinkins Denitrification in a toposequence ................................. 311 A. Ayanaba and W.J. Veldkamp The effects of fire on aspects of nitrogen cycling in Olokemeji forest reserve, Nigeria............................................... 317 A.B. Oguntala Nitrogen loss by burning from Nigerian grassland ecosystems ............... 325 A.O. Isichei and W. W. Sanford Effects of various rates of paraquat dichloride on nitrogen transformation in some West African acid soils ................................ 333 A.G. Agbahungba Nitrogen economy in selected farming systems of the savanna region.......... 345 L.A. Nnadi Nitrogen cycling in a teak plantation ecosystem in Nigeria................. 353 L.C. Nwoboshi Nitrogen cycling in a soil-tree system in a Sahelian savanna. Example of Acacia Senegal............................................... 363 F. Bem.hard-Revers.at and H. Poupon Nitrogen and potassium balance in maize in the humid tropics .............. 371 R.A. Sobulo Nitrogen cycling in the savanna zone of Nigeria ........................ 377 A. Singh and V. Balasubramanian Utilisation de l engrais par les cultures et pertes par lixiviation dans deux agro- systèmes de Côte d Ivoire .................................. 393 P F. Chabalier Report of the work group on the Sahel-Savanna zone.................... 399 F. W. T. Penning de Vries (rapporteur) Report of the work group on tropical forests ......................... 409 P.M. Vitousek (rapporteur) Report of the work group on agroecosystems in the wet humid tropics ........ 415 G. Hainnaux (rapporteur) Research priorities and future co-operation .......................... 421 T. Rosswall and P.M. Vitousek (rapporteurs) References to publications on nitrogen cycling in West African ecosystems ..... 429 P. Berg, L. C. Nwoboshi, N. 0. Adedipe and T. Rosswall List of participants........................................... 449
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spelling	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978 Hrsg. von Thomas Rosswall* Stockholm SCOPE/UNEP Internat.Nitrogen Unit 1980 450 S.: graph.Darst., Tab. txt rdacontent n rdamedia nc rdacarrier Ökosystem (DE-588)4043216-6 gnd rswk-swf Stickstoffkreislauf (DE-588)4183276-0 gnd rswk-swf Westafrika (DE-588)4079203-1 gnd rswk-swf (DE-588)1071861417 Konferenzschrift gnd-content Westafrika (DE-588)4079203-1 g Ökosystem (DE-588)4043216-6 s Stickstoffkreislauf (DE-588)4183276-0 s DE-604 Rosswall, Thomas Sonstige oth HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=003772588&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978 Ökosystem (DE-588)4043216-6 gnd Stickstoffkreislauf (DE-588)4183276-0 gnd
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title	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978
title_auth	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978
title_exact_search	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978
title_full	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978 Hrsg. von Thomas Rosswall*
title_fullStr	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978 Hrsg. von Thomas Rosswall*
title_full_unstemmed	Nitrogen cycling in West African ecosystems Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978 Hrsg. von Thomas Rosswall*
title_short	Nitrogen cycling in West African ecosystems
title_sort	nitrogen cycling in west african ecosystems proceedings of a workshop arranged by the scope unep internat nitrogen unit in collab with mab unesco and iita at the internat inst for trop agriculture ibadan nigeria 11 15 dec 1978
title_sub	Proceedings of a workshop arranged by the SCOPE/UNEP Internat. Nitrogen Unit in collab. with MAB (Unesco) and IITA at the Internat. Inst. for Trop. Agriculture, Ibadan, Nigeria, 11-15 Dec., 1978
topic	Ökosystem (DE-588)4043216-6 gnd Stickstoffkreislauf (DE-588)4183276-0 gnd
topic_facet	Ökosystem Stickstoffkreislauf Westafrika Konferenzschrift
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=003772588&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
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