Track 2-09: Soil Quality, Biology and Plant-Soil Interactions

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:
Soil Quality, Biology and Plant-Soil Interactions

Benefits and Uses of Nematodes in Grassland Soils

Michael J. Wilson, AgResearch, New Zealand

Soil Carbon and Nitrogen Stocks and Their Relationship with Plant and Soil Dynamics of Degraded and Artificial Restoration Grasslands in an Alpine Region

Yuanyuan Li, Beijing Normal University, China
Shikui Dong, Beijing Normal University, China
Yu Wu, Beijing Normal University, China

Establishing Baseline Values for Soil Quality Indicators in the Southern Cape of South Africa

Pieter A. Swanepoel, Western Cape Department of Agriculture, South Africa
Philip R. Botha, Western Cape Department of Agriculture, South Africa
Chris C. du Preez, University of the Free State, South Africa
Hennie A. Snyman, University of the Free State, South Africa

Comparing Soil Compaction under Different Grazing Systems with a Virgin Forest Soil to Determine Optimal Stocking Rates

Wellington W. Rocha, Universidade Federal do Vales do Jequitinhonha e Mucuri, Brazil
Bruno S. Pires, Faculdades Integradas do Sudoeste Mineiro, Brazil
Moacir S. Dias Junior, Federal University of Lavras, Brazil
Rita de C. R. Carvalho, Faculdades Integradas do Sudoeste Mineiro, Brazil

Increasing Pasture Production on Drained Saltland

Penny Roberts Craig, SARDI Livestock Systems, Australia
Freya Hawker, SARDI Livestock Systems, Australia
Amanda L. Bonython, SARDI Livestock Systems, Australia
Andrew Craig, SARDI Livestock Systems, Australia

Subsoil Acidity Determines Survival of Lucerne on a Highly Acidic Soil

Guangdi Li, EH Graham Centre for Agricultural Innovation, Australia
Mark Conyers, EH Graham Centre for Agricultural Innovation, Australia
Richard Lowrie, EH Graham Centre for Agricultural Innovation, Australia
Graeme Poile, EH Graham Centre for Agricultural Innovation, Australia

Investigation of the Fire Effects on Some Physico-Chemical Characteristics of Soil (Case Study: Miankaleh Rangeland, Iran)

Mohammadreza Tatian, University of Sari, Iran
Reza Tamartash, University of Sari, Iran
Maedeh Yousefian, Islamic Azad University of Tehran, Iran
Fatemeh Montazeri, University of Sari, Iran
Mehdi Jafari, Natural Resources Organization, Iran

Soil Invertebrates of Lasiurus sindicus Based Grazing Lands: Impact of Management and Grazing Intensity

Sharmila Roy, Central Arid Zone Research Institute, India
N. R. Panwar, Central Arid Zone Research Institute, India
C. B. Pandey, Central Arid Zone Research Institute, India

Diversity of Soil Biota in Canadian Grasslands in Relation to Agricultural Cropping Systems

Owen Olfert, Agriculture and Agri-Food Canada, Canada
N. Melnychuk, Agriculture and Agri-Food Canada, Canada
R. Weiss, Agriculture and Agri-Food Canada, Canada

Vegetation Changes Following Biosolids Applications at an Old Boer Lovegrass Pasture in Northern Sonora, México

Martha R. Martin, University of Sonora, Mexico
Fernando F. Ibarra, University of Sonora, Mexico
Salomón M. Moreno, University of Sonora, Mexico
Alfredo V. Aguilar, University Antonio Narro, Mexico
Francisco B. Denogean, University of Sonora, Mexico
Fernando M. Ibarra, University of Sonora, Mexico
Felix A. Ayala, University of Sonora, Mexico
Ana D. Martinez, University of Sonora, Mexico

Relationship between Soil Chemical and Physical Properties and Vegetation in the Latest Decade of Alpine Grasslands of Southern Qinghai, China

Sachiko Idota, University of Miyazaki, Japan
Jiahua Yang, University of Miyazaki, Japan
Manabu Tobisa, University of Miyazaki, Japan
Xiaoqin Li, University of Miyazaki, Japan
Guomei Li, Yushu Prairie Center, China
Rende Song, Yushu Animal Husbandry and Veterinary Center, China
Haizhu Li, Qinghai Academy of Animal Science and Veterinary Medicine, China
Nobumi Hasegawa, University of Miyazaki, Japan
Masahiro Tasumi, University of Miyazaki, Japan
Naoyuki Yamamoto, University of Miyazaki, Japan
Aya Nishiwaki, University of Miyazaki, Japan
Yasuyuki Ishii, University of Miyazaki, Japan

Rehabilitating Degraded Frontage Soils in Tropical North Queensland

Trevor J. Hall, DAFF, Australia

Microbial Community Response to Various Degrees of Pasture Soil Disturbance

Pieter A. Swanepoel, Western Cape Department of Agriculture, South Africa
Philip R. Botha, Western Cape Department of Agriculture, South Africa
Johan Habig, Agricultural Research Council - Plant Protection Research Institute, South Africa

Pernambuco Semiarid Native Rhizobial Populations Nitrogen Fixation Potential with Native Macroptilium

Mércia V. F. dos Santos, Federal Rural University of Pernambuco, Brazil
Rerisson Jose Cipriano dos Santos, Federal Rural University of Pernambuco, Brazil
Mario de Andrade Lira Jr., Federal Rural University of Pernambuco, Brazil
Márcio V. da Cunha, Federal Rural University of Pernambuco, Brazil
José C. B. Dubeux Jr., Federal Rural University of Pernambuco, Brazil
Eunice Maria de Souza, 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

Isolation of Root Endophytic Bacteria in Elephant Grass (Pennisetum purpureum Schum.) Cultivars

José C. B. Dubeux Jr., Federal Rural University of Pernambuco, Brazil
João Tiago Correia Oliveira, Federal Rural University of Pernambuco, Brazil
Karina Rodrigues de Miranda, Federal Rural University of Pernambuco, Brazil
Mario de Andrade Lira Jr., Federal Rural University of Pernambuco, Brazil
Mércia V. F. dos Santos, Federal Rural University of Pernambuco, Brazil
Mario de Andrade Lira, Agronomic Institute of Pernambuco, Brazil
Erinaldo Viana de Freitas, Agronomic Institute of Pernambuco, Brazil

The Characters of Soil Microbial Biomass and Metabolic Quotient Associated with Shrub Development in the Arid Region

Hongyang Chen, Lanzhou University, China
Decao Niu, Lanzhou University, China
Shigao Jiang, Lanzhou University, China
Li Liu, Lanzhou University, China
Caixia Wu, Lanzhou University, China
Hua Fu, Lanzhou University, China

Effect of Slope Aspect on Arbuscular Mycorrhizal Colonization of Centipedegrass in a Hill Pasture

Manabu Tobisa, University of Miyazaki, Japan
Yoshinori Uchida, University of Miyazaki, Japan
Yoshinori Ikeda, University of Miyazaki, Japan

Does Litter Decomposition Rate Indicate Species Status in the Plant Community of Alpine Meadow?

Yongchao Zhang, Lanzhou University, China
Decao Niu, Lanzhou University, China
Tong Han, Lanzhou University, China
Dianye Zhang, Lanzhou University, China
Hua Fu, Lanzhou University, China

Long-Term Effects of Tillage and Residue Management on the Soil Microbial Community Structure in the Loess Plateau

Qian Yang, Lanzhou University, China
Xianzhi Wang, Lanzhou University, China
Yuying Shen, Lanzhou University, China