Richard Eckard

Can seasonal soil N mineralisation trends be leveraged to enhance pasture growth?

Franco Bilotto, Matthew Tom Harrison, Massimiliano De Antoni Migliorati, Karen M Christie, David W Rowlings, Peter R Grace, Andrew P Smith, Richard P Rawnsley, Peter J Thorburn, Richard J Eckard

Journal article  |  2021  |  SCIENCE OF THE TOTAL ENVIRONMENT

BACKGROUND: Soil N mineralisation is the process by which organic N is converted into plant-available forms, while soil N immobili..

Ammonia volatilisation from grazed, pasture based dairy farming systems

Andrew P Smith, Karen M Christie, Matthew T Harrison, Richard J Eckard

Journal article  |  2021  |  AGRICULTURAL SYSTEMS

Context: A key pathway for nitrogen (N) loss, which is poorly quantified in livestock farming systems with grazing, is the ammonia..

Challenges and opportunities for quantifying greenhouse gas emissions through dairy cattle research in developing countries

Sineka Munidasa, Richard Eckard, Xuezhao Sun, Brendan Cullen, David McGill, Deli Chen, Long Cheng

Journal article  |  2021  |  JOURNAL OF DAIRY RESEARCH

The global dairy sector is facing the challenge of reducing greenhouse gas (GHG) emissions whilst increasing productivity to feed ..

Supplementing the diet of dairy cows with fat or tannin reduces methane yield, and additively when fed in combination

SRO Williams, MC Hannah, RJ Eckard, WJ Wales, PJ Moate

Journal article  |  2020  |  ANIMAL

Addition of fats to the diets of ruminants has long been known to result in a reduction in enteric methane emissions. Tannins have..

Predicting ammonia volatilization from fertilized pastures used for grazing

Andrew P Smith, Ian R Johnson, Graeme Schwenke, Shu Kee Lam, Helen C Suter, Richard J Eckard

Journal article  |  2020  |  AGRICULTURAL AND FOREST METEOROLOGY

Ammonia (NH3) volatilization from fertilised agricultural soils is driven by complex interactions between edaphic, climatic and pl..

Simulated seasonal responses of grazed dairy pastures to nitrogen fertilizer in SE Australia: N loss and recovery

KM Christie, AP Smith, RP Rawnsley, MT Harrison, RJ Eckard

Journal article  |  2020  |  AGRICULTURAL SYSTEMS

Evidence from farm level studies indicates that there is potential to improve nitrogen (N) fertilizer efficiency of Australian dai..

Review: Fifty years of research on rumen methanogenesis: lessons learned and future challenges for mitigation

KA Beauchemin, EM Ungerfeld, RJ Eckard, M Wang

Journal article  |  2020  |  ANIMAL

Meat and milk from ruminants provide an important source of protein and other nutrients for human consumption. Although ruminants ..

Changing patterns of pasture production in south-eastern Australia from 1960 to 2015

Ruchika S Perera, Brendan R Cullen, Richard J Eckard

Journal article  |  2020  |  CROP & PASTURE SCIENCE

The seasonal pattern of pasture production and its variability from year to year are important for pasture-based livestock product..

The importance of trust in the development and delivery of a decision support tool to reduce environmental nutrient losses from pasture systems

AR Melland, SM Love, CJP Gourley, AP Smith, RJ Eckard

Conference Proceedings  |  2020  |  MODSIM 2005 - International Congress on Modelling and Simulation: Advances and Applications for Management and Decision Making, Proceedings

Using Leaf Temperature to Improve Simulation of Heat and Drought Stresses in a Biophysical Model

Ruchika S Perera, Brendan R Cullen, Richard J Eckard

Journal article  |  2020  |  PLANTS-BASEL

Despite evidence that leaf temperatures can differ by several degrees from the air, crop simulation models are generally parameter..