• AgResearch
• Ballance Agri-Nutrients Ltd  
• CountryWide magazine
• Environment Waikato
• Fert Research
• Fertiliser Code of Practice
• MAF Sustainable Farming Fund (SFF)
• Meat and Wool NZ  
• Parliamentary Commissioner for the Environment report: “Growing for Good: Intensive farming, sustainability and New Zealand's Environment"
• Pastoral Greenhouse Gas Research Consortium
• Ravensdown Fertiliser Ltd