Track 02-1: Soil Quality and Plant Nutrition

The 21st International Grassland Congress / 8th International Rangeland Congress took place in Hohhot, China from June 29 through July 5, 2008.
Edited by Organizing Committee of 2008 IGC/IRC Conference
Published by Guangdong People's Publishing House

21st International Grassland Congress/
8th International Rangeland Congress:
Soil Quality and Plant Nutrition

Shifting Rangeland Mineral Resource Limitations: Ecological Responses to Atmospheric Nitrogen Deposition

Heather L. Throop, New Mexico State University

Nitrogen Cycling in Intensively Grazed Pastures and Practices to Reduce Whole‐Farm Nitrogen Losses

Sterwart F. Ledgard, AgResearch, New Zealand
J. Luo, AgResearch, New Zealand

Salt Driven Interactions between Salsola inermis and Pistacia lent

Oz Barazani, Israel Gene Bank for Agricultural Crops, Israel
Avi Golan-Goldhirsh, Ben‐Gurion University of the Negev, Israel

Effect of Tillage and Slurry Application on Soil Quality and CO2 Emissions

Iker Mijangos, Basque Institute for Research and Agricultural Development, Spain
Isabel Albizu, Basque Institute for Research and Agricultural Development, Spain
Lur Epelde, Basque Institute for Research and Agricultural Development, Spain
A. Ibarra, Basque Institute for Research and Agricultural Development, Spain
Carlos Garbisu, Basque Institute for Research and Agricultural Development, Spain

Resources Use Efficiency in Tall Fescue and Annual Ryegrass Pastures with Different Nitrogen Nutrition (Humid Pampa, Argentina)

Mónica G. Agnusdei, Instituto Nacional de Tecnología Agropecuaria, Argentina
M. A. Marino, Universidad Nacional de Mar del Plata, Argentina
F. Lattanz, Technische Universität München, Germany

Root Phenotypic Plasticity in Response to P Deficiency in Two Tall Fescue Cultivars

Mónica G. Agnusdei, Universidad Nacional de Mar del Plata, Argentina
M. J. Martinefsky, Universidad Nacional de Mar del Plata, Argentina
A. Mollier, INRA, France
S. Pellerin, INRA, France
Silvia G. Assuero, Universidad Nacional de Mar del Plata, Argentina

Pyrrolizidine Alkaloid Accumulation in Tall Fescue during Plant Growth and Development

Walyati Burhan, University of Kentucky
F. F. Fannin, University of Kentucky
L. P. Bush, University of Kentucky

Phosphate Uptake by White Clover (Trifolium repens L.) Genotypes with Contrasting Nodal Root Morphology

James R. Crush, AgResearch, New Zealand
L. Ouyang, ENSAIA, France

Effects of Grazing and Rainfall Variation on Root and Shoot Decomposition in Steppe Ecosystem

M. Giese, Christian‐Albrecht‐University, Germany
N. Fanselow, Christian‐Albrecht‐University, Germany
H. Brueck, Christian‐Albrecht‐University, Germany
S. Lin, China Agricultural University, China
Q. Pan, Chinese Academy of Sciences, China
K. Dittert, Christian‐Albrecht‐University, Germany

Selection of Forage Pigeon‐Pea (Cajanus cajan (L.) Millsp) Lines for Soil Decompaction

Rodolfo Godoy, EMBRAPA, Brazil
Osny Oliveira Santos Bacchi, Universidade de São Paulo, Brazil
Patrícia Menezes Santos, EMBRAPA, Brazil
Fernando de Almeida Moreira, Unipasto, Brazil

Root Development of Three Commercial Forage Pigeon‐Pea Cultivars in Artificially Compacted Soil

Rodolfo Godoy, EMBRAPA, Brazil
Osny Oliveira Santos Bacchi, Universidade de São Paulo, Brazil
Patrícia Menezes Santos, EMBRAPA, Brazil
Fernando de Almeida Moreira, Unipasto, Brazil

Correction of Sulphur Deficiency on Naturalized Pastures of Western Patagonia (Chile)

Christian Hepp, INIA, Chile

Yield Trends and Soil Mineral Changes in Three Summer Winter Forage Cropping Systems for 5 Consecutive Years in Southern Kyushu, Japan

Sachiko Idota, University of Miyazaki, Japan
Yasuyuki Ishii, University of Miyazaki, Japan

Effects of Cultivation of Puccinellia tenuiflora on the Chemical and Physical Characteristics of Alkalinized Soil in Western Areas of Jilin

N. Ishikawa, University of Tsukuba, Japan
M. Kato, University of Tsukuba, Japan
K. Shimizu, University of Tsukuba, Japan
M. Amari, National Institute of Livestock and Grassland Science, Japan
W. Cao, Chinese Academy of Agricultural Science, China
X. Yu, Jilin Academy of Agricultural Science, China
A. Xu, Jilin Academy of Agricultural Science, China

Caucasian Clover (Trifolium ambiguum) Is Persistent in New Zealand Montane, Improved Rangeland But Requires Regular Sulphur Application for Productivity

P. Jarvis, Lincoln University, New Zealand
R. J. Lucas, Lincoln University, New Zealand
J. R. Sedcole, Lincoln University, New Zealand

Effects of Phosphate Fertilizer on Regrowth of Medicago sativa after Defoliation

Huixin Jiang, Nanjing Agricultural University, China
Yixin Shen, Nanjing Agricultural University, China
Guiyu Zhai, General Station of Animal Husbandry and Veterinary of Shandong Province, China

Impacts of Long‐Term Enclosure on Soil Microbes in Mountain‐Pasture in Bayinbuluke

Ping'an Jiang

P and K Effects on N Partitioning during Regrowth of Italian Ryegrass

Y. L. Jin, Chonnam National University, South Korea
B. R. Lee, Chonnam National University, South Korea
M. Li, Chonnam National University, South Korea
W. J. Jung, Chonnam National University, South Korea
T. H. Kim, Chonnam National University, South Korea

Effects of Grazing on AM Colonization and Spore Density in Arid Grasslands of Loess Plateau

Liang Jin, Lanzhou University, China
Chang Wang, Lanzhou University, China
Fujiang Hou, Lanzhou University, China
Shenghua Chang, Lanzhou University, China
Guiqi Zhang, Lanzhou University, China
Xiaojuan Wang, Lanzhou University, China

Nutrient Dynamics in a Semi‐Arid Grazing Land of Southern India

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

Characteristics of the Chemical Composition and Carbohydrate/Protein Fractions along with the Growth of Alkali‐Grass (Puccinellia tenuiflora) as Feed for Ruminants

M. Kato, University of Tsukuba, Japan
N. Ishikawa, University of Tsukuba, Japan
K. Shimizu, University of Tsukuba, Japan
W. Cao, Chinese Academy of Agricultural Science, China
M. Amari, National Institute of Livestock and Grassland Science, Japan
O. Enishi, National Institute of Livestock and Grassland Science, Japan
X. Yu, Jilin Academy of Agricultural Science, China
A. Xu, Jilin Academy of Agricultural Science, China

Response of Natural and Cultivated Hay Meadows to Fertilizer Applied by Small Scale Livestock Farmers in the Mountainous Sandzak Region of Serbia

Ian R. Lane, Ian Lane Associates, UK
M. V. Stosic, Centerfor Forage Crops, Serbia
G. Topisirovic, University of Belgrade, Serbia
S. Reynolds, Food and Agriculture Organization

Effects of Liming and Nitrogen Application on the Cu, Mn, and Zn Concentrations in Herbage from Extensively Managed Pastures

Harald Laser, Justus‐Liebig University, Germany

Comparison of Aggregates Content and Carbon Proportion of Top Soil in Perennial Forage

Lu Chen, Lanzhou University, China
Yuying Shen, Lanzhou University, China
Jing Yang, Lanzhou University, China
Yining Niu, Lanzhou University, China

NO3- Uptake and Its Partitioning in Drought Stressed Perennial Ryegrass (Lolium perenne L.)

B. R. Lee, Chonnam National University, South Korea
Y. L. Jin, Chonnam National University, South Korea
M. Li, Chonnam National University, South Korea
W. J. Jung, Chonnam National University, South Korea
T. H. Kim, Chonnam National University, South Korea

Effect of Molybdenum and Boron on Increasing Alfalfa Seed Yield

Ke Li, Xinjiang Agricultural University, China
Jinzhong Zhu, Xinjiang Agricultural University, China

Effects of Different Land Use on Soil Organic Carbon and Microbial Biomass C in the Longzhong Part of Loess Plateau

Xiaodong Li, Lanzhou University, China
Shifang Pei, Lanzhou University, China
Xudong Li, Lanzhou University, China
Ding Guo, Lanzhou University, China
Xiaoyu Dong, Lanzhou University, China
Hua Fu, Lanzhou University, China

Nitrous Oxide Emission and Methane Oxidation Potential in the Pastoral Soil under Intensive Dairy Farm Management

Z. Li, Landcare Research New Zealand, New Zealand
F. M. Kelliher, Landcare Research New Zealand, New Zealand

Production, Botanical Composition and Nutrient Status of an Originally Lolium perenne--Dominant Sward Receiving Long‐Term Manure Applications

Wenju Liu, Hebei Agricultural University, China
Y. G. Zhu, Research Center for Eco‐Environmental Science, China
P. Christie, Queen's University Belfast, UK
A. S. Laidlaw, A FBI Plant Testing Station, UK

Effect of Soil Temperature and Soil Moisture on Soil Respiration of Ungrazed Grassland in Loess Plateau , Gansu

Xudong Li, Lanzhou University, China
Ding Guo, Lanzhou University, China
Xiaodong Li, Lanzhou University, China
Xiaoyu Dong, Lanzhou University, China
Hua Fu, Lanzhou University, China

Improvement of Production and Nutrient Uptake of Pueraria phaseoloides by Rock Phosphate Fertilization in Kombucha Suspension and Glomus manihotis Fungi Inoculation

Dwi Retno Lukiwati, University of Diponegoro, Indonesia
Novik Nurhidayat, LIPI Bogor, Indonesia
Puput Puspitasari, University of Diponegoro, Indonesia

Nitrous Oxide Emissions from Dairy Pasture Systems in New Zealand

Jiafa Luo, AgResearch, New Zealand
S. B. Lindsey, AgResearch, New Zealand
Sterwart F. Ledgard, AgResearch, New Zealand
W. Sun, AgResearch, New Zealand
M. Kear, AgResearch, New Zealand

Seasonal Changes of Mineral Elements in Yak Blood, Herbage and Soil Around Qinghai Lake

X. L. Luo, Sichuan Academy of Grassland Sciences, China
J. T. Xu, Qinghai Academy of Animal & Veterinary Sciences, China
Y. P. Wei, Qinghai Academy of Animal & Veterinary Sciences, China
Z. B. Tong, Qinghai Academy of Animal & Veterinary Sciences, China
Y. H. Ma, Qinghai Academy of Animal & Veterinary Sciences, China
S. M. Chen, Qinghai Academy of Animal & Veterinary Sciences, China
Z. J. Ma, Qinghai Academy of Animal & Veterinary Sciences, China

Effects of Water and Nutrient Treatment on Gas Exchange and Water Relations of Two Casuarina equisetifolia Clones

Bala Makesh Kumar, Madurai Kamaraj University, India
Kailash Paliwal, Madurai Kamaraj University, India

Preliminary Investigations on Columbus Grass (Sorghum almum Parodi) for Fodder in Semi‐Arid Nigeria: Effects of Nitrogen Fertilizer on Growth Components and Herbage Yield

B. S. Malami, Usmanu Danfodiyo University, Nigeria
H. M. Tukur, Usmanu Danfodiyo University, Nigeria
N. B. Ibrahim, Usmanu Danfodiyo University, Nigeria

Biomass Production and Soil Carbon in the Grazing Lands of Eastern Ghats, Tamil Nadu

K. Manoharan, Mahendra Arts and Science College, India
Kailash Paliwal, Madurai Kamaraj University, India

Interactive Effects of Pelletised Lime and Fertiliser N on Sward Productivity

S. McCormick, Agri-Food and Biosciences Institute, UK
C. Watson, Agri-Food and Biosciences Institute, UK
S. Morrison, Agri-Food and Biosciences Institute, UK
S. Mayne, Agri-Food and Biosciences Institute, UK
B. McCarney, Agri-Food and Biosciences Institute, UK
R. Stewart, Agri-Food and Biosciences Institute, UK

Productivity Potential and Seasonality of Five Grass Species under Varying Nitrogen Levels at Three Latitudes in Ireland

D. McGilloway, Fisheries and Food, Ireland
T. J. Gilliland, Agri-Food and Biosciences Institute, UK

Physical Soil Quality in the Main Areas of Pastures in Dairy Production in Uruguay

A. Morón, INIA, Uruguay
J. Molfino, Direcci n Nacional de Recursos Naturales Renovables, Uruguay
Jorge Sawchik, INIA, Uruguay
A. Califra, Direcci n Nacional de Recursos Naturales Renovables, Uruguay
E. Lazbal, Asociaci n Nacional de Productores de Leche, Uruguay
A. La Manna, INIA, Uruguay
E. Malcuori, Conaprole, Uruguay

Nitrogen Fixation in Irrigated Lucerne (Medicago sativa) Systems Assessed Using 15N Natural Abundance

Murray Unkovich, The University of Adelaide, Australia
Huimin Yang, Lanzhou University, China
Ann McNeill, The University of Adelaide, Australia
Xianzhi Wang, Lanzhou University, China

Sources of Nitrogen in a Napier Grass/Legume Mixture on Smallholder Dairy Farms in Central Kenya

David Miano Mwangi, Kenya Agricultural Research Institute, Kenya

Impacts of Strategic Grazing on Herbage Accumulation and Nutritive Value of Naturalised Hill Pasture

Zhongnan Nie, Department of Primary Industries, Australia
R. P. Zollinger, Department of Primary Industries, Australia

Growth and Development in Cultivars of Phleum pratense and Lolium perenne during Winter

Liv Østrem, Norwegian Institute for Agricultural and Environmental Research, Norway
M. Jørgensen, Norwegian Institute for Agricultural and Environmental Research, Norway
M. Höglind, Norwegian Institute for Agricultural and Environmental Research, Norway

Use of Biofertilizer in the Formation of Joined Pastures with Brachiaria decumbens and Stylosanthes sp

L. M. Paiva, State University of Mato Grosso do Sul, Brazil
H. J. Fernandes, State University of Mato Grosso do Sul, Brazil
V. A. C. dos Santos, State University of Mato Grosso do Sul, Brazil
F. P. de Oliveira, State University of Mato Grosso do Sul, Brazil
P. S. F. Trevisan, State University of Mato Grosso do Sul, Brazil
A. V. de Almeida, State University of Mato Grosso do Sul, Brazil

Seasonal Nutrition Content Changes of Stockpiled and Standing Leymus cinereus Forage

B. L. Perryman, University of Nevada, Reno
L. B. Bruce, University of Nevada, Reno
K. Conley, University of Nevada, Reno
L. Schmelzer, University of Nevada, Reno
T. Wuligi, University of Nevada, Reno

Fertilisation Strategies for Sown Organic Pasture in the Mediterranean Mountains of Northeast Portugal

J. M. Pires, Escola Superior Agrária de Bragança, Portugal
M. Rodrigues, Escola Superior Agrária de Bragança, Portugal
M. Arrobas, Escola Superior Agrária de Bragança, Portugal
J. Pires, Escola Superior Agrária de Bragança, Portugal
N. Moreira, Universidade de Trás-os-Montes e Alto Douro, Portugal

Establishment and Growth of Legumes in Acid Soils in the Falkland Islands

Sergio Radic, Queen's University, UK
James H. McAdam, Queen's University, UK

Soil Quality Assessment in Rangelands Using a Minimum Data Set

Seyed Ata Rezaei, Research institute of Forests and Rangeland, Iran
Susan S. Andrews, U.S. Department of Agriculture

Response of an Improved Pasture to Different Phosphoric Fertilisation Strategies in Basaltic Soils

D. F. Risso, National Institute of Agricultural Research, Uruguay
R. Cuadro, National Institute of Agricultural Research, Uruguay
A. Morón, National Institute of Agricultural Research, Uruguay

Free Amino Acids Content and Nitrogen Mobilization in Panicum maximum

Patricia M. Santos, EMBRAPA, Brazil
J. A. Bendolassi, Centro de Energia Nuclear na Agricultura, Brazil
Rodolfo Godoy, EMBRAPA, Brazil