Track 2-11: Plant Nutrition and Nutrient Cycling

The 22rd International Grassland Congress (Revitalising Grasslands to Sustain Our Communities) took place in Sydney, Australia from September 15 through September 19, 2013.
Proceedings Editors: David L. Michalk, Geoffrey D. Millar, Warwick B. Badgery, and Kim M. Broadfoot
Publisher: New South Wales Department of Primary Industry, Kite St., Orange New South Wales, Australia

22nd International Grassland Congress Theme 2:
Improving Grassland Environment and Resources:
Management of Nitrogen and Other Nutrients in Production Systems:
Plant Nutrition and Nutrient Cycling

Nitrogen Management in Grasslands and Forage-Based Production Systems–Role of Biological Nitrification Inhibition (BNI)

Guntur V. Subbarao, Japan International Research Center for Agricultural Sciences, Japan
Idupulapati M. Rao, Centro Internacional de Agricultura Tropical, Colombia
K. Nakahara, Japan International Research Center for Agricultural Sciences, Japan
Y. Ando, Japan International Research Center for Agricultural Sciences, Japan
K. L. Sahrawat, International Crops Research Institute for the Semi-Arid Tropics, India
T. Tesfamariam, Japan International Research Center for Agricultural Sciences, Japan
J. C. Lata, Université Pierre-et-Marie-Curie, France
S. Boudsocq, INRA, France
J. W. Miles, Centro Internacional de Agricultura Tropical, Colombia
Manabu Ishitani, Centro Internacional de Agricultura Tropical, Colombia
M. Peters, Centro Internacional de Agricultura Tropical, Colombia

Efficient Use of Phosphorus in Temperate Grassland Systems

Richard J. Simpson, CSIRO, Australia
Alan E. Richardson, CSIRO, Australia
Shirley N. Nichols, AgResearch, New Zealand
James R. Crush, AgResearch, New Zealand

Humic Products–Potential or Presumption for Agriculture. Do Humic Products Have a Place in Australian Grazing Enterprises?

Kim L. Billingham, Department of Primary Industries, Australia

Should Native Pastures Be Fertilised?

Jo I. Powells, Department of Primary Industries, Australia
Doug J. Alcock, Department of Primary Industries, Australia
Luke C. Pope, Department of Primary Industries, Australia
Denys Garden, Department of Primary Industries, Australia

Soil Phosphate Solubilising Bacteria of the Okavango Floodplains, Botswana

Tabo Mubyana-John, University of Botswana, Botswana
Lawrence Tarupiwa, University of Botswana, Botswana
Wellington R. L. Masamba, University of Botswana, Botswana
Susan Ringrose, University of Botswana, Botswana

Leaching of Nitrate from a Grassland Field

Abdulfatah F. Aboufayed, Tripoli University, Libya

Improving the Phosphorus Efficiency of Temperate Australian Pastures

Richard J. Simpson, CSIRO, Australia
Graeme A. Sandral, Department of Primary Industries, Australia
Richard A. Culvenor, CSIRO, Australia
Megan H. Ryan, University of Western Australia, Australia
Hans Lambers, University of Western Australia, Australia
Phillip G. H. Nichols, University of Western Australia, Australia
Richard C. Hayes, Department of Primary Industries, Australia

Urinary Recovery of Dicyandiamide (DCD) Pulse-Dosed into the Rumen of Non-Lactating Dairy Cows, and the Effects of Applying Urine with DCD to Lysimeters on Nitrous Oxide and Nitrate Leaching in Ireland

Patrick J. O’Connor, Teagasc, Ireland
Eva Lewis, Teagasc, Ireland
Helen Slattery, Teagasc, Ireland
Deirdre Hennessy, Teagasc, Ireland

Influence of Stocking Rate, Grazing Season Length and Dairy Cow Genetic Strain on the Nitrogen Balance of Grass Based Dairy Production Systems

Deirdre Hennessy, Teagasc, Ireland
Willie Ryan, Teagasc, Ireland
Laurence Shalloo, Teagasc, Ireland

The Mineral Nutrients Content and the Organic Manure Quality Appraisal for the Stylosanthes Green Manure

Guo-dao Liu, Chinese Academy of Tropical Agricultural Sciences, China
Dong-fen Huang, Chinese Academy of Tropical Agricultural Sciences, China
Xi Wen, Chinese Academy of Tropical Agricultural Sciences, China
Chang-jun Bai, Chinese Academy of Tropical Agricultural Sciences, China
Dao-geng Yu, Chinese Academy of Tropical Agricultural Sciences, China
Heng-fu Huan, Chinese Academy of Tropical Agricultural Sciences, China

Carbon and Nitrogen Stocks in Integrated Crop Livestock

Valdinei T. Paulino, Instituto de Zootecnia, Brazil
Erika M. L. C. Teixeira, Instituto de Zootecnia, Brazil
Marcos Siqueira Neto, Universidade de São Paulo, Brazil

The Use of Digestate as Fertilizer: Effect on Cocksfoot Productivity and Total Energy Input

Vita Tilvikienė, Lithuanian Research Centre for Agriculture and Forestry, Lithuania
Žydrė Kadžiulienė, Lithuanian Research Centre for Agriculture and Forestry, Lithuania
Zenonas Dabkevičius, Lithuanian Research Centre for Agriculture and Forestry, Lithuania

Nutrient Composition and Flux in a Semi-Arid Grazing Land of Southern India

K. Karunaichamy, Rubber Research Institute of India, India
K. Paliwal, Indian Institute of Advanced Research, India

Rhizobium-White Clover Symbiosis and Nitrogen Fixation along a Soil Organic Carbon Gradient

Pieter A. Swanepoel, Western Cape Department of Agriculture, South Africa
Philip R. Botha, Western Cape Department of Agriculture, South Africa
Wayne F. Truter, University of Pretoria, South Africa
A. Karen J. Surridge-Talbot, University of Pretoria, South Africa
Alicia van der Merwe, University of Pretoria, South Africa

Effect of Organic Nitrogen Levels on N Fixation in Pea-Barley Mixture

H. W. Lee, Korea National Open University, South Korea
J. D. Kim, Cheonan Yonam College, South Korea
C. H. Kim, Kongju National University, South Korea

Carbohydrate to Protein Ratio in Perennial Ryegrass: Effects of Defoliation Stage and Nitrogen Rate

Pablo A. Loaiza, Universidad Austral de Chile, Chile
Oscar A. Balocchi, Universidad Austral de Chile, Chile
Annick Bertrand, Agriculture and Agri-Food Canada, Canada
Ignacio F. López, Universidad Austral de Chile, Chile

Effect of Nitrogen Fertiliser Applications on Botanical Composition

Lydia R. Turner, University of Tasmania, Australia
Daniel J. Donaghy, Massey University, New Zealand
Keith G. Pembleton, University of Tasmania, Australia
Richard P. Rawnsley, University of Tasmania, Australia

Nitrogen and Radiation Use Efficiency in Temperate Pastures for Low Quality Soils

Natalia M. Correa, Universidad Nacional de Luján, Argentina
Jorge O. Scheneiter, Instituto Nacional de Tecnología Agropecuaria, Argentina

Developing Methods to Evaluate Phenotypic Variability in Biological Nitrification Inhibition (BNI) Capacity of Brachiaria Grasses

Jacobo Arango, Centro Internacional de Agricultura Tropical, Colombia
Danilo E. Moreta, Centro Internacional de Agricultura Tropical, Colombia
Jonathan Nuñez, Centro Internacional de Agricultura Tropical, Colombia
Katharina Hartmann, Centro Internacional de Agricultura Tropical, Colombia
Moralba Dominguez, Centro Internacional de Agricultura Tropical, Colombia
Manabu Ishitani, Centro Internacional de Agricultura Tropical, Colombia
John Miles, Centro Internacional de Agricultura Tropical, Colombia
Guntur V. Subbarao, Japan International Research Center for Agricultural Sciences, Japan
Michael Peters, Centro Internacional de Agricultura Tropical, Colombia
Idupulapati M. Rao, Centro Internacional de Agricultura Tropical, Colombia

Production Capacity of a Mountain Meadow in Slovakia

Norbert Britanak, Plant Production Research Centre Piestany, Slovak Republic
Daniel Rataj, POLNONAKUP LIPTOV, Slovak Republic
Iveta Ilavska, Plant Production Research Centre Piestany, Slovak Republic
Lubomir Hanzes, Plant Production Research Centre Piestany, Slovak Republic

Decomposition of Cattle Dung on Mixed Grass-Legume Pastures

José C. B. Dubeux Jr., Federal Rural University of Pernambuco, Brazil
Carolina Câmara Lira, Federal Rural University of Pernambuco, Brazil
Erinaldo Viana de Freitas, Pernambuco State Agricultural Institute, Brazil
Mércia V. F. dos Santos, Federal Rural University of Pernambuco, Brazil
Mário de Andrade Lira, Pernambuco State Agricultural Institute, Brazil
Caroline Dykstra, University of Guelph, Canada
Erick Rodrigo da Silva Santos, Federal Rural University of Pernambuco, Brazil
Fernando Tenório Filho, Pernambuco State Agricultural Institute, Brazil

Cattle Fecal Decomposition on Pennisetum purpureum Schum. Pastures Managed under Different Post-Grazing Stubble Heights

José C. B. Dubeux Jr., Federal Rural University of Pernambuco, Brazil
Felipe M. Saraiva, Federal Rural University of Pernambuco, Brazil
Mércia V. F. dos Santos, Federal Rural University of Pernambuco, Brazil
Alexandre C. L. de Mello, Federal Rural University of Pernambuco, Brazil
Vicente Imbrosi Teixeira, Federal Rural University of Pernambuco, Brazil
Erinaldo Viana de Freitas, Pernambuco State Agricultural Institute, Brazil

Production of Aruana Guinea Grass Submitted to Cutting Severities and Nitrogen Fertilization

Alessandra A. Giacomini, Instituto de Zootecnia, Brazil
Karina Batista, Instituto de Zootecnia, Brazil
Maria T. Colozza, Instituto de Zootecnia, Brazil
Luciana Gerdes, Instituto de Zootecnia, Brazil
Waldssimiler T. Mattos, Instituto de Zootecnia, Brazil
Ivani P. Otsuki, Instituto de Zootecnia, Brazil
Flavia M. A. Gimenes, Instituto de Zootecnia, Brazil
Linda M. Premazzi, Instituto de Zootecnia, Brazil

Phosphorus Use Efficiency in Lotus spp. under Contrasting Levels of Water Availability: A Comparison of Pot and Field Measurements

Hernán Acuña, Universidad de Concepción, Chile
C. Castillo, Universidad de Concepción, Chile
Erick Zagal, University of Concepción, Chile
Luis Inostroza, INIA, Chile

The Effect of N-Fertilization Rate or Inclusion of Red Clover to Timothy Leys on Fatty Acid Composition in Dairy Cow Milk

Katarina Arvidsson, Swedish University of Agricultural Sciences, Sweden
Anne-Maj Gustavsson, Swedish University of Agricultural Sciences, Sweden
Veerle Fievez, Ghent University, Belgium
Kjell Martinsson, Swedish University of Agricultural Sciences, Sweden

The Effects of Restricting Nitrogen, Phosphorus, and Potassium Fertilizers on Erianthus (Erianthus arundinaceus) Growth and Nutrient Contents

Naoki Kato, NARO, Japan
Ikuo Hattori, NARO, Japan
Naohiro Uwatoko, NARO, Japan
Mitsuru Gau, NARO, Japan

Accumulation of Dry Matter and Morphological Composition of Irrigated Mombaça Grass Fertilized with and without Nitrogen under Grazing

Ulysses Cecato, Universidade Estadual de Maringá, Brazil
Gracielle C. Mari, Universidade Estadual de Maringá, Brazil
Tatiane Beloni, Universidade Estadual de Maringá, Brazil
Vanessa C. Piotto, Universidade Estadual de Maringá, Brazil
Túlio Otavio D'Almeida Lins, Universidade Estadual de Maringá, Brazil
Alyson Andrade Pinehiro, Universidade Estadual de Maringá, Brazil

Forms of Soil Phosphorus Accumulation in Grassland Soils

Warwick J. Dougherty, Department of Primary Industries, Australia
Ronald J. Smernik, University of Adelaide, Australia
Ashlea L. Doolette, University of Adelaide, Australia

Animal Performance on Tanzânia Grass Pasture Intercropped with Estilozantes Campo Grande or Fertilized with Nitrogen, in the Seasons

Ulysses Cecato, Universidade Estadual de Maringá, Brazil
Bruno S. Iwamoto, Universidade Estadual de Maringá, Brazil
Edmar P. Peluso, Universidade Estadual de Maringá, Brazil
Gracielle C. Mari, Universidade Estadual de Maringá, Brazil
Vinicius V. Pereira, Universidade Estadual de Maringá, Brazil
José M. Saute, Universidade Estadual de Maringá, Brazil

Litter Decomposition of Xaraes-Grass Pasture Subjected to Different Post-Grazing Residuals

Ana C. Ruggieri, Sao Paulo State University, Brazil
Elisamara Raposo, Sao Paulo State University, Brazil
Leandro Galzerano, Sao Paulo State University, Brazil
Alan R. Panosso, Sao Paulo State University, Brazil
Mariana V. Azenha, Sao Paulo State University, Brazil
Estella R. Janusckiewicz, Sao Paulo State University, Brazil

Tiller Population Stability of Aruana Guineagrass Subjected to Cutting Severities and Fertilized with Nitrogen

Alessandra A. Giacomini, Instituto de Zootecnia, Brazil
Karina Batista, Instituto de Zootecnia, Brazil
Maria T. Colozza, Instituto de Zootecnia, Brazil
Waldssimiler T. Mattos, Instituto de Zootecnia, Brazil
Luciana Gerdes, Instituto de Zootecnia, Brazil
Ivani P. Otsuki, Instituto de Zootecnia, Brazil
Joaquim C. Werner, Instituto de Zootecnia, Brazil

Soil Carbon and Nitrogen Dynamics of Integrated Crop-Pasture Systems with Annual and Perennial Forages

Maria V. Pravia, INIA, Uruguay
Armen R. Kemanian, Pennsylvania State University
José A. Terra, INIA, Uruguay

Short-Term Effects of Phosphorus Application on Phosphorus Content in Soil and Dominant Species under Ungrazed and Grazed Conditions in the Tibetan Plateau

Yajing Guo, Lanzhou University, China
Zhengang Guo, Lanzhou University, China
Yuying Shen, Lanzhou University, China
Xianzhi Wang, Lanzhou University, China

Plant C, N, P Stoichiometry Was Effected with Nitrogen Deposition on the Loess Plateau, China

Shulan Su, Lanzhou University, China
Xudong Li, Lanzhou University, China
Decao Niu, Lanzhou University, China
Haiyan Wen, Lanzhou University, China
Huige Han, Lanzhou University, China
Caixia Wu, Lanzhou University, China
Hua Fu, Lanzhou University, China

Leaf Nitrogen and Phosphorus Stoichiometry of Natural Plant Community and Restorable Plant Community in the Northern Qinghai-Tibet Plateau, China

Mingwei Luo, Lanzhou University, China
Yuying Shen, Lanzhou University, China
Zhenggang Guo, Lanzhou University, China

Effects of Se and Co Combined Fertilizer on Production of Alfalfa

Xiao Guo, Zhengzhou College of Animal Husbandry Engineering, China
Xiao-lei Jie, Huanghuai University, China
Hua-Feng Hu, Zhengzhou College of Animal Husbandry Engineering, China

Effect of Grazing on Soil Fertility and Trace Elements of Temperate Desert Steppe in Northwestern China

T. Jiao, Gansu Agricultural University, China
J. P. Wu, Gansu Agricultural University, China
W. X. Cao, Gansu Agricultural University, China
J. Qi, Gansu Agricultural University, China
S. G. Zhao, Gansu Agricultural University, China

Dry Matter Yield of Promising Panicum maximum Genotypes in Response to Phosphorus and Liming on Brazilian Savannah

Gustavo J. Braga, EMBRAPA, Brazil
Giovana A. Maciel, EMBRAPA, Brazil
Allan K. B. Ramos, EMBRAPA, Brazil
Marcelo A. Carvalho, EMBRAPA, Brazil
Francisco Duarte Fernandes, EMBRAPA, Brazil
Liana Jank, EMBRAPA, Brazil

Effects of Phosphorus Fertilizer Application on Verano Stylo (Stylosanthes Hamata) for Fodder Production in Semi-Arid Nigeria

B. S. Malami, Usmanu Danfodiyo University, Nigeria
B. Usmani, Usmanu Danfodiyo University, Nigeria
S. A. Maigandi, Usmanu Danfodiyo University, Nigeria
A. Singh, The Nottingham University, Malaysia