Session 1: Soil and Forage Plant Nutrition

PRESENTATIONS
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	Rendement Des Prairies Dans Les Marais De L'ouest De La France. Diagnostic Des Insuffisances Minerales Y Pons, INRA-DRSAD E Lafon, INRA-DRSAD
	Lowering Cocksfoot Yields Caused by Manganese Toxicity and Molybdenum Deficiency Caused by Acidifying Effect of Ammonium Nitrate Application H Gembrazewski, IUNG Urszula Sienkiewicz, IUNG
	Response of Forage Oats to Nitrogen Fertilizer in High and Low Fertility Soils N Moreira, Universidade de Tras-os-Montes e Alto Douro
	The Above Ground and Root Production of Grass on Different Soils Sophia TOTH, Agricultural University, Debrecen
	Effect of Soil Moisture on the Growth and Development of Seedlings of Some Grass Species J Jargiello, Academy of Agriculture Wanda Harkot, Academy of Agriculture
	Relationships Between Root Morphology and Nutrient Uptake in Winter-Flooded Mediterranean Grasslands A J. Hernandez, Universidad de Alcala de Henares J Pastor, Instiuto de Edafologia y Biologia Vegetal
	Variations Saisonnieres De la Croissance D'une Prairie De Setaria Anceps en Guadeloupe P Cruz, INRA-CRAAG O Sobesky, INRA-CRAAG
	Factors Influencing the Availability of Soil Cobalt and Its Uptake by Herbage J E. Paterson, University of the West of Scotland D A. Klessa, University of the West of Scotland A MacPherson, University of the West of Scotland
	An International Perspective of Dairying in New Zealand M Murphy, Innesfree, Ireland
	Study of Some Factors that Influence Upon P Fertilization on Pastures from Red Ferralitic Soil Marta Hernandez, Esacion Experimental de Pastos y Forrajes A R. Mesa, Esacion Experimental de Pastos y Forrajes
	Studies on the Macropores Structure of Grassland's Soil K Sato, Kitasato University K Tokunaga, Iwate University
	The Depletion of Soil K as Affected by Fertilization of Eragrostis curvula Used for Hay Production N.F G. Rethman, University of Pretoria C C. De Witt, University of Pretoria
	Influence of Sulfur and Nitrogen on Bahiagrass J E. Rechcigl, University of Florida G G. Payne, University of Florida R J. Stephenson, University of Florida
	Relations Entre Facteur Hydrique, Drainage er Evolution de la Flore Des Prairies en Lorraine S Oberle, INRA S Plantureux, INRA R Bonischot, INRA A Guckert, INRA
	Distribution of Phosphorus and Aluminum in Acidic Pasture Soils and Effects on Growth of Subterranean Clover M J. McLaughlin, CSIRO T R. James, CSIRO
	An Effective P Application Method for Dactylis glomerata M Hojito, Hokkaido Konsen Agricultural Experiment Station A Nishimune, Hokkaido Konsen Agricultural Experiment Station M Noshiro, Hokkaido Konsen Agricultural Experiment Station
	Red Clover Needs for Mobybdenum and Boron Soil Threshold Values of Deficiency and Toxicity H Gembrazewski, IUNG
	Effects of Phosphogypsum, Phsophorus and Lime on Andropogon gayanus Kunth V T. Paulino, Nova Odessa E Malavolta, Nova Odessa
	Potassium and Sulfur Fertilization Effects on Alfalfa Yields and Concentrations of Minerals and Amino Acids M Collins, University of Kentucky
	Influence of Phosphorus Fertilization on Bahiagrass and Water Quality G G. Payne, University of Florida J E. Rechcigl, University of Florida
	Use of Cattle Slurry for Irrigated Temporary Grasslands J Tomasik, Grassland Research Institute of the Soil Fertility Centre
	Effect of Rate and Placement of Phosphorus on the Establishment of Legume-Based Tropical Pastures on Oxisols J M. Spain, CIAT R Gualdron, CIAT C Perdomo, CIAT P Avila, CIAT
	Liming and Phosphate Fertilization on Forage Production, Mineral Composition and Nodulation on Pigeonpea (Cajanus cajan (L.) millsp.) V T. Paulino, EMBRAPA UEPAE N L. Costa, EMBRAPA UEPAE C.G S. Pedreira, EMBRAPA UEPAE
	Influence de la Fertilization sur La Repartition de la Biomasse Vegetale en Prairie Temporaire R Lyszczarz, Laboratoire des Prairies
	Derivation and Testing of Nutrient Norms for White Clover Marta J. Rodreiguez, Basque Government
	Influence of NPK Fertilizer on Chrysopogon-Agrostis Swards T Totev, Institute of Upland Stock-Breeding and Agriculture V Vulkov, Institute of Upland Stock-Breeding and Agriculture
	Effects of Fertilization and Liming on the Improvement of Native Pastures Maria E.V Lourenco, Universidade de Evora R.J. M. De Carvalho, Universidade de Evora Maria de L.A.P da Silva, Universidade de Evora
	Efficacute de la Fertilization Minerale Des Prairies en Sol Alluvial L Solimowski, Academie Technique Agricole R Lyszczarz, Academie Technique Agricole R Dembek, Academie Technique Agricole
	Modelling Nitrogen and Mineral Nutrient Uptake by a Grass Sward: Short Term Studies During the Sward Growth J Salette, INRA Lydie Huche, INRA G Lemaire, INRA
	Modelling Nutrient Uptake by a Grass Sward: Long Term Studies over Several Years J Salette, INRA Lydie Huche, INRA
	The Diagnosis of Grassland Mineral Nutrient Status Through Herbage Analysis J Salette, INRA Lydie Huche, INRA
	Some Nitrogen Forms and Micronutrients in Silage Maize Leaves as Affected by NK Fertilization and Liming C.L F. Carranca, Estacao Agronomica Nacional M A. Castelo Branco, Estacao Agronomica Nacional
	Reponse du Paturage Naturel a la Fertilization Azotee Sur Sol Basaltique en Adamaqua Camerounais E Pamo, Institut de Recherches Zootechniques S Yonkeu, Institut de Recherches Zootechniques
	The Effect of Soil Acidity and Nitrogen Fertilization on Yield of White Clover and Perennial Ryegrass in Pure Stands and in Mixture P Stypinski, The Warsaw Agricultural University G Kocialkowska, The Warsaw Agricultural University
	Productivity of Trifolium Pratense L., T Repens L., and Lotus Corniculatus L. in Acid Soil of Highland Region of Yugoslavia M Jevtic, University of Belgrade
	Experiment of Trace Elements Fertilizer Spraying on Sown Pasture Tu Minyi, Hunan Agricultural University
	Effect of Fertilizer Application on the Productivity of Native Hay at Syanboche Yak Farm, Nepal D Pariyar, FAO RAS C Samuel, FAO RAS
	Effets de la Modulation de la Fertilization Azotee sur la Productive du Brachiaria decumbens Francoise Artus-Poliakoff, CEMAGREF F Champenhet, CEMAGREF
	Optimization of Grassland Ecosystem Production by Anthropogenic Treatment R Holubek, University of Agriculture, Nitra J Jancovic, University of Agriculture, Nitra
	Changes in Grassland Sward Caused by Different Levels of Phosphorus and Potassium Fertilization, After 5 Years of Application K Krynski, Institute for Land Reclamation and Grassland Farming
	The Influence of Cow Manure on Forage Yields of King Grass in a Ferrasol in Cuba G Crespo, Instituto de Ciencia Animal M Oduardo, Instituto de Ciencia Animal
	Improving the System of Irrigated Cultivated Pasture Fertilization in USSR N G. Andreev, Timiryazev Agricultural Academy in Moscow
	Improving the Efficiency of Phosphorus Fertilizer use in Northern Australia M Gilbert, Department of Primary Industries
	Valorization des Elements Mineraux Autres que L’azote Contenus Dans les Effluents D’Elevage J C. Taureau, ITCF D Ziegler, ITCF
	Alimentation Minerale, Niveau Hydrique et Utilization de L’eau Par La Luzerne Micheline Anneessens, Centre Universitaire de Dschang
	The Effect of Adjusting Soil Availbale N/P Ratio Through Fertilizing on the Growth of Alfalfa Zhongping Li, Shanxi Agricultural University Shuzhen Wan, Shanxi Agricultural University Jianqiang Zhao, Shanxi Agricultural University
	White Clover (Trifolium repens L.) for Low Input Pastoral Farming Systems A D. Mackay, Grasslands Divison, NZ J R. Caradus, Grasslands Divison, NZ
	Fixation De L’azote Chez le Trèfle Blanc (Trifolium repens L.) Interactions Entre le Deficit Hydrique et la Fertilization Potassique A Guckert, INRA ENSAIA L Shamsun Noor, INRA ENSAIA C Robin, INRA ENSAIA D Schontz, INRA ENSAIA
	Effect of Nitrogen Fertilization in Combination with Potassium and Phosphorus and Cutting Frequency on the Yield of Brachiaria ruzizensis in Adamawa, Cameroon E T. Pamo, Insitute of Animal Research Wakwa D Pieper, New Mexico State University
	The Effects of Reducing or Stopping Fertilizer on New Zealand Dairy Pastures M B. O'Connor, MAFTech, NZ C Feyter, MAFTech, NZ A.H C. Roberts, MAFTech, NZ
	F.A.O Design KBP Trials in the Mid-Altitude Zone of Yunnan Province, Southern China J Bruce-Smith, AACM Yang Guo-Rong, Bureau of Animal Husbandry Huang Bi-Zhi, Bureau of Animal Husbandry Li Ji-Xin, Bureau of Animal Husbandry
	Phosphorus Requirement for Establishment of Tropical Forage Grasses and Legumes J A. Gomide, Universidade Federal de Vicosa
	Effects of Changes in Fertilizer use on the Composition and Productivity of Permanent Grassland in Relation to Agricultural Production and Floristic Diversity R J. Wilkins, AFRC A Hopkins, AFRC F W. Kirkham, AFRC C Sargent, Monks Wood Experimental Station O Mountford, Monks Wood Experimental Station C Dibb, Agricultural Development and Advisory Service J Gilbey, AFRC
	Sur les Teneurs en Molybedne des Plantes Fourrageres des sols Liasiques du Bassigny - Consequences Zootechniques L Duval, Institut National de la Recherche en Agronomique
	The Impact of Renovation and Phosphate Fertilization on the Productivity of Pastures in Uruguay J A. Garcia, Estacion Experimental La Estanzuela
	Developing Effective Nutrient Seed Coatings for Grasses and Legumes J M. Scott, University of New England
	Changes in Vegetation of Various Meadows Under Differential Mineral Fertilization S Benedycki, Academy of Agriculture and Technology S Grzegorczyk, Academy of Agriculture and Technology M Mlynarczyk, Academy of Agriculture and Technology K Grabowski, Academy of Agriculture and Technology
	Vegetative Growth and Development of Norwegian Poa Pratensis L. Ecotypes as Influenced by Temperature and Photoperiod T S. Aamlid, Landvik Research Station, Norway
	Behaviours of Annual and Perennial Grass Species in the same Genus Y Takasaki, Chiba University A Isoda, Chiba University H Nojima, Chiba University H Oizumi, Chiba University
	Spanish Subclover Ecotypes: Evaluation under Grazing L Olea, Servicio Investigacion Agraria, Spain C Bueno, Servicio Investigacion Agraria, Spain J Paredes, Servicio Investigacion Agraria, Spain P Verdasco, Servicio Investigacion Agraria, Spain
	Effects of Low Temperature on Germination of Herbage Species used in New Zealand J.F L. Charlton, Massey University J G. Hampton, Massey University
	Preliminary Rate of Growth Curves for Legume Based Improved Pastures in the Mid-Altitude Region of Yunnan Province of Southern China J R. Bruce-Smith, AACM Yang Guo-Rong, Bureau of Animal Husbandry Huang Bi-Zhi, Bureau of Animal Husbandry Li Ji-Xin, Bureau of Animal Husbandry
	C-4 Grass with Legumes: An Energy Efficient Biomass System C J. Kaiser, University of Illinois
	Effects of Temperature and Photoperiod on the Extension Growth of Six Temperate Grasses G.A Van Esbroeck, University of Alberta Jane R. King, University of Alberta V S. Baron, Agriculture Canada
	L’Effet du Climat sur la Production des Herbages I Vinczeffy, Universite d'Agronomie
	Varieties Evaluation of Lucerne (Medicago sativa) with Different Winter Dormancy Class O A. Bruno, EEA R J. Leon, EEA L A. Romero, EEA O R. Quaino, EEA
	Determination of Predictive Zones for the Evaluation of Herbage Grasses in Cuba J Gerardo, Estacion Experimental de Pastos y Forrajes Hilda Machado, Estacion Experimental de Pastos y Forrajes Verena Torres, Estacion Experimental de Pastos y Forrajes
	Compatibility of Birdsfoot Trefoil with Tall Fescue Selected for High and Low Leaf Area Expansion Rate C J. Nelson, USDA, Agricultural Research Service K M. Hasson, University of Missouri D A. Sleper, USDA, Agricultural Research Service J R. Forwood, USDA, Agricultural Research Service
	The Effects of Coconut Palms on Pasture Understory R W. Snaydon, University of Reading D.N S. Fernando, University of Reading R Sangakkara, University of Peradeniya
	Azote et Equilibre de L’Association Ray-Grass Anglias-Trefle Blanc J C. Simon, INRA
	Effect of Interspecific Competition on the Development and Early Growth of Grass Species U R. Sangakkara, University of Peradeniya E Roberts, University of Peradeniya
	White Clover Root Systems and Their Influence on the Survival of Perennial Pastures in South Africa A Smith, Grassland Research Centre D.C W. Goodenough, Grassland Research Centre A.R J. Morrison, Grassland Research Centre Marie F. Smith, Grassland Research Centre
	Phytochrome Mediated Effects on White Clover Morphogenesis C Varlet-Grancher, INRA B Moulia, INRA R Jacques, INRA
	The Morphological Relation in the Panicle of Panicum maximum Jacq. Consequences on the Pollination and the Fertility M Noirot, ORSTOM
	Morphological and Physiological Growth Aspects of Three Tropical Grasses J A. Gomide, Universidade Federal de Vicosa
	Relationship of Leaf Export of Carbohydrate to Rhizomatous Growth in Panicum Amarum L. D S. Fisher, USDA, Agricultural Research Service J C. Burns, USDA, Agricultural Research Service D H. Timothy, NC State University K R. Pond, USDA, Agricultural Research Service
	Analysis of the Aerial Part and Roots of the Lucerne Crop to Improve the Breeding Method P Rotili, Instituto Sperimentale per le Colture Foraggere L Zannone, Instituto Sperimentale per le Colture Foraggere G Gnocchi, Instituto Sperimentale per le Colture Foraggere S Proietti, Instituto Sperimentale per le Colture Foraggere C Scotti, Instituto Sperimentale per le Colture Foraggere
	Leaf Growth in Lolium perenne L. H Schnyder, Universitat Bonn S Seo, Universitat Bonn W Kuhbauch, Universitat Bonn
	Effets di Nitrate sur la Croissance et la Fixation D’Azote chez le Trefle Blanc (Trifolium repens L.): Importance de la Souche de Rhizobium D Schontz, INRA C Robin, INRA D Laurentie, INRA A Guckert, ENSAIA
	Etude des Deux de la Nutrition Azotee du Trefle Blanc (Trifolium repens L.): Activite de la Nitrogenase et de la Nitrate Reductase D Schontz, INRA C Robin, INRA A Guckert, ENSAIA
	The Effect of Nitrogen Deficiency on Carbon Partitioning in a Tall Fescue Sward G Belanger, Agriculture Canada F Gastal, INRA F R. Warembourg, CNRS
	Growth and Gas Exchange of Rhizoma Peanut (Arachis glabrata Benth.) Subjected to Water Deficit K A. Albrecht, University of Wisconsin J M. Bennett, University of Wisconsin G M. Prine, University of Florida
	Distribution des Assimilats et Fixation D’Azote Chez le Trefle Blanc: Influence de la Ramification du Stolon C Robin, INRA V Guerin, INRA A Guckert, ENSAIA
	Cinteique de la Croissance Foliarie et Stolonifere d’un Peuplement de Digitaria decumbens au Cours de la Repousse P Cruz, INRA-CRAAG G Alexandre, INRA-CRAAG H Baudot, INRA-CRAAG
	Variability of Leaf Area Index Extension Rate on Permanent Grasslands M Duru, INRA
	Ryegrass Herbage Yield Components and Their Response to Water Deficit Stress D J. Barker, Massey University A.C P. Chu, Massey University C J. Korte, Massey University
	Levels of Abscisic in Lateral Buds during Regrowth of Sorghum biocolor M. H Nojima, Chiba University S Fuketa, Chiba University A Isoda, Chiba University Y Takasaki, Chiba University
	Comparison of Photosynthetic Enzyme Activity and Identification of C3 or C4 Plant for 40 Forages Species Growing on Meadow Steppe in the Northeast of China Yin Lijuan, Northeast Normal University Hou Shuhuai, Northeast Normal University Shi Decheng, Northeast Normal University Zhu Ling, Northeast Normal University
	Stand Characteristics of Irrigated Cocksfoot Regrowth and Leaf Area Increasing M Duru, INRA A Langlet, INRA S Rouzies, INRA
	Using 13C/12/C Ratio to Discriminate C3 and C4 Plants in Grassland Lin Xiaoquan, Chinese Academy of Agricultural Sciences
	Nitrogen and Carbohydrate Mobilizations during Regrowth of Defoliated Lolium perenne L. A Ourry, Universite de Caen B Gonzalez, INRA J Bigot, Universite de Caen J Boucaud, Universite de Caen J Salette, INRA
	Performance of Cartenoid Pigments of King Gras (Pennisteum purperum) Mutants J Lauzan, ISCAH R S. Herrera, ISCAH R O. Martinez, Instituto de Ciencia Animal R Cruz, Instituto de Ciencia Animal
	Physiological Ageing in Young Leaves of Digitaria eriantha (STEUD) M M. Wolfson, University of the Wiwatersrand C F. Cresswell, University of the Wiwatersrand
	Matric Potential of Clay Loam Soils on Arid Rangelands of the Southwestern United States C H. Herbel, USDA, Agricultural Research Service R P. Gibbens, USDA, Agricultural Research Service
	Effects of Late Spring Grazing Management on Tiller Age Profiles and Summer Autumn Pasture Growth Rates in a Perennial Ryegrass (Lolium perenne L.) Sward C Matthew, Massey University J X. Xia, Massey University J Hodgson, Massey University A.C P. Chu, Massey University
	Effect of Nitrogen on Herbage Growth and Intake by Sheep in Continuously Grazed Swards of Tall Fescue Genotypes A Mazzanti, INRA G Lemaire, INRA F Gastal, INRA
	Etude de la Croissance des Repousses de Printemps du Ray-grass Anglais Apres Divers Stades D’Exploitation du Premier Cycle J L. Raphalen, Institut Technique des cereales et des Fourrages A Margueritat, Institut Technique des cereales et des Fourrages J Orsini, Institut Technique des cereales et des Fourrages H Suzineau, Institut Technique des cereales et des Fourrages
	Responses of Root and Shoot Growth of Cynodon dactylon to Cutting Frequency and Growth Regulator C P. West, University of Arkansas C A. Beyrouty, University of Arkansas E E. Gbur, University of Arkansas
	The Study of Litter in Leymus chinensis Meadow Guo Jixun, Northeast Normal University Zhu Tingcheng, Northeast Normal University
	Variabilite Interannuelle de la Croissance Printaniere d’une Prairie Permanente Lorraine Exploitee en Paturage Tournant Intensif J L. Fiorelli, INRA-SAD
	La Definition de la Date Optimale de la Premiere Pature de Quelques Especes et Varietes de Graminees Fourrageres B Rutkowska, Academie d'Agriculture de Varsovia E Lewicka, Academie d'Agriculture de Varsovia A Kolakowska, Academie d'Agriculture de Varsovia

Session 1: Soil and Forage Plant Nutrition

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