Theme 04: Soil Fertility and Plant Nutrition

The XIX International Grassland Congress took place in São Pedro, São Paulo, Brazil from February 11 through February 21, 2001.
Proceedings published by Fundacao de Estudos Agrarios Luiz de Queiroz

XIX International Grassland Congress:
Soil Fertility and Plant Nutrition

Phosphorus Fertilizer and Stocking Rate Effects on Soil Microbial Biomass of a Long-Term Dairy Farmlet Experiment

S. R. Aarons, Department of Natural Resources and Environment, Australia
C. R. O’Connor, Australian Laboratory Services, Australia
C. J. P. Gourley, Department of Natural Resources and Environment, Australia

Sewage Sludge as an Alternative Fertilizer for Tropical Pasture Grasses

M. B. Adjei, University of Florida
J. E. Rechcigl, University of Florida

The Use of Cover Crops After a Maize Crop in the North of Spain

D. Báez, NEIKER, Spain
M. Pinto, NEIKER, Spain
M. Rodríguez, Gobierno Vasco, Spain
G. Besga, NEIKER, Spain
J. M. Estavillo, Universidad del País Vasco, Spain

Multi-Year Application of Dairy Slurry on Grassland: Effects on Crop, Soil Biota, Soil Nutrients, and N2O Emission

Shabtai Bittman, Agriculture and Agri-Food Canada, Canada
C. G. Kowalenko, Agriculture and Agri-Food Canada, Canada
D. E. Hunt, Agriculture and Agri-Food Canada, Canada
N. Patni, Agriculture and Agri-Food Canada, Canada
J. Paul, Transform Compost, Canada
D. Raworth, Agriculture and Agri-Food Canada, Canada
J. Hountin, Agriculture and Agri-Food Canada, Canada
T. A. Forge, Lakehill Applied Soil Ecology, Canada
C. M. Monreal, Agriculture and Agri-Food Canada, Canada
O. Schmidt, Dairy Producers' Conservation Group, Canada

Biological Interactions in Grassland Soils and Productivity

R. Cook, Institute of Grassland and Environmental Research, UK
R. D. Bardgett, Institute of Environmental and Natural Sciences, UK
W. R. Eason, Institute of Grassland and Environmental Research, UK
L. Skøt, Institute of Grassland and Environmental Research, UK
K. J. Webb, Institute of Grassland and Environmental Research, UK

Nitrogen Balances in High Rainfall, Temperate Dairy Pastures of South Eastern Australia

Richard J. Eckard, University of Melbourne, Australia
D. F. Chapman, University of Melbourne, Australia
R. E. White, University of Melbourne, Australia
A. Smith, University of Melbourne, Australia
D. Chen, University of Melbourne, Australia
P. A. Durling, Department of Natural Resources and Environment, Australia

Modelling Nitrogen Uptake in Winter Oilseed Rape by Using Influx Kinetics of Nitrate Transport Systems

S. Faure, INRA, France
P. Malagoli, INRA, France
P. Lainé, INRA, France
E. Le Deunff, INRA, France
F. Ledily, INRA, France
A. Ourry, INRA, France
J. Boucaud, INRA, France

Comparison of Nitrate Contents for Reed Canarygrass and Orchardgrass in Large Amounts of Compound Fertilization

A. Fushimi, Tohoku National Agricultural Experiment Station, Japan
Y. Tamura, Tohoku National Agricultural Experiment Station, Japan
K. Matoba, Shikoku National Agricultural Experiment Station, Japan

Responses to Nitrogen Fertilizer in Dairy Pastures with Differing Phosphorus Fertility in South Eastern Australia

C. J. P. Gourley, Agriculture Victoria, Australia
H. Frame, Agriculture Victoria, Australia
M. E. Hall, Agriculture Victoria, Australia

Phosphorus Fertilizer Requirements for Temperate Dairy Pastures and Milk Production in South Eastern Australia

C. J. P. Gourley, Agriculture Victoria, Australia
I. Awty, Agriculture Victoria, Australia
M. O'Doherty, Agriculture Victoria, Australia
S. R. Aarons, Agriculture Victoria, Australia

Effect of Phosphatic Fertilizer Rates Level on Growth, Crude Protein Content and Nitrogen Fixation Ability of Alfalfa at Sowing Year

Chang-ho Kim, Kongju University, South Korea
Hyo-won Lee, Korea Air and Correspondence University, South Korea

Nitrogen Budgets on a Pasture under Combined Utilization of Grazing and Cutting

Y. Kurokawa, Tokyo University of Agriculture and Technology, Japan
S. Yamamoto, Tokyo University of Agriculture and Technology, Japan
Y. Iijima, Tokyo University of Agriculture and Technology, Japan
M. Kitagawa, Tokyo University of Agriculture and Technology, Japan
F. Omata, Tokyo University of Agriculture and Technology, Japan
S. Sakamoto, Tokyo University of Agriculture and Technology, Japan
H. Tanaka, Tokyo University of Agriculture and Technology, Japan
S. Suzuki, Tokyo University of Agriculture and Technology, Japan
T. Shioya, Tokyo University of Agriculture and Technology, Japan

The Effect of Fermented Saw-Dust Pig Manure on Forage Mineral Contents and Soil Fertility in Cheju Volcanic Ash Soil

M. C. Kim, Cheju National University, South Korea
T. G. Kim, Namcheju Agricultural Technology Center, South Korea

Nutrient Dynamics and Inventory in Tropical Grassland Ecosystem in Southern India

K. Karunaichamy, Rubber Research Institute of India, India
Kailash Paliwal, Madurai Kamaraj University, India

Effect of Liquid Cattle Manure Application on the Botanical Composition Forage Dry Yield and Soil Chemical Characteristics in Mixed Pastures

J. K. Lee, National Livestock Research Institute, South Korea
W. H. Kim, National Livestock Research Institute, South Korea
D. E. Shin, National Livestock Research Institute, South Korea
S. Seo, National Livestock Research Institute, South Korea
G. J. Choi, National Livestock Research Institute, South Korea
E. S. Chung, National Livestock Research Institute, South Korea
G. J. Park, National Livestock Research Institute, South Korea

Phosphorus, Sulphur and Micronutrients on Grassland Improvement with White Clover (Trifolium repens L.) on Basaltic Soils in Uruguay

A. Morón, INIA, Uruguay
D. F. Risso, INIA, Uruguay

Application of Near Infrared Reflectance Spectroscopy (NIRS) for Macronutrients Analysis in Alfalfa (Medicago sativa L.)

A. Morón, INIA, Uruguay
D. Cozzolino, INIA, Uruguay

Interactions Between the Effects of Nitrogen, and Phosphorus, Potassium and Sulphur on Grass Production

J. D. Morton, AgResearch, New Zealand
L. C. Smith, AgResearch, New Zealand

Evaluation of Fertilizing Methods on the Establishment of Pasture Species on Native Pasture by Direct Sowing

O. L. P. Oliveira, EMBRAPA, Brazil
S. S. Gonzaga, EMBRAPA, Brazil
J. O. N. Gonçalves, EMBRAPA, Brazil
E. N. Muniz, Universidade Estadual Paulista, Brazil
T. M. S. Freitas, Universidade Federal do Rio Grande do Sul, Brazil
L. P. Grando, Universidade do Estado de Santa Catarina, Brazil

Sources and Rates of Phosphorus in Improving Degraded Pasture in Brazilian West Amazon

Valdinei T. Paulino, Instituto de Zootecnia, Brazil
N. L. Costa, EMBRAPA, Brazil
C. R. Townsend, EMBRAPA, Brazil
J. A. Magalhães, EMBRAPA, Brazil
R. G. A. Periera, EMBRAPA, Brazil

Mineral Acquisition and Utilization Strategy of Three Tropical Forages at Different Phosphorus and Nitrogen Supply

J. D. G. Santos Junior, Fundação de Apoio a Pesquisa Agropecuária e Ambiental, Brazil
Tsutomu Kanno, Japan International Research Center for Agricultural Sciences, Japan
Manuel C. M. Macedo, EMBRAPA, Brazil
M. R. Correa, Fundação de Apoio a Pesquisa Agropecuária e Ambiental, Brazil
L. G. Beretta, Fundação de Apoio a Pesquisa Agropecuária e Ambiental, Brazil

Assessing the Effect of N and P Supply on Dry Matter Yield of Three Tropical Grasses

O. Topall, INRA, France
C. Jouany, INRA, France
M. Duru, INRA, France
P. Cruz, INRA, France

Ammonia Losses by Volatilization from Coastcross Pasture Fertilized with Two Nitrogen Sources

H. Cantarella, Instituto Agronômico de Campinas, Brazil
L. de A. Corrêa, EMBRAPA, Brazil
A. C. Primavesi, EMBRAPA, Brazil
O. Primavesi, EMBRAPA, Brazil
A. R. de Freitas, EMBRAPA, Brazil
A. G. da Silva, EMBRAPA, Brazil

Effect of Sources and Rates of Nitrogen on Nutrients Extraction in Coastcross Pastures

A. C. Primavesi, EMBRAPA, Brazil
O. Primavesi, EMBRAPA, Brazil
L. de A. Corrêa, EMBRAPA, Brazil
H. Cantarella, Instituto Agronômico de Campinas, Brazil
A. G. da Silva, EMBRAPA, Brazil
A. R. Freitas, EMBRAPA, Brazil

Dry Matter Production Response of Coastcross (Cynodon dactylon (L.) Pears) to Sources and Rates of Nitrogen

L. de A. Corrêa, EMBRAPA, Brazil
H. Cantarella, Instituto Agronômico de Campinas, Brazil
A. C. Primavesi, EMBRAPA, Brazil
O. Primavesi, EMBRAPA, Brazil
A. R. Freitas, EMBRAPA, Brazil
A. G. da Silva, EMBRAPA, Brazil
E. B. Pott, EMBRAPA, Brazil

Soil Nitrate Level Variation under Intensive Nitrogen Fertilized Coastcross Pasture

O. Primavesi, EMBRAPA, Brazil
A. C. Primavesi, EMBRAPA, Brazil
L. de A. Corrêa, EMBRAPA, Brazil
H. Cantarella, Instituto Agronômico de Campinas, Brazil
A. G. da Silva, EMBRAPA, Brazil

Soil Carbon and Nitrogen Dynamics After Pasture Installation in the Amazon Region

C. C. Cerri, Universidade de São Paulo, Brazil
M. Bernoux, Institut de Recherche pour le développement, France
C. E. P. Cerri, Universidade de São Paulo, Brazil

Micronutrients in Grassland Production

U. C. Gupta, Agriculture and Agri Food Canada, Canada
F. A. Monteiro, Universidade de São Paulo, Brazil
J. C. Werner, Instituto de Zootecnia, Brazil