| 1947 | Farmers in Southland make the first moves towards the formation of a local fertiliser company that results in the registration of the Southland Co-operative Phosphate Company Ltd. |
| 1955 | The Southland Co-operative Phosphate Company Ltd makes its first share allocations. |
| 1955 | Frustrated with the difficulties of obtaining fertiliser from existing sources, farmers in the Bay of Plenty subscribe to the formation of a new fertiliser co-operative, the Bay of Plenty Fertiliser Co-operative. |
| 1984 | The government removes fertiliser subsidies, resulting in a substantial decline in sales. |
| 1987 | A merger between the Bay of Plenty Fertiliser Co-operative and Fernz Corporation subsidiary Kiwi Fertiliser helps consolidate the fertiliser industry in the central North Island. |
| 1987 | The merger sees the formation of BOP Fertiliser Ltd. This company is jointly owned by the Bay of Plenty Fertiliser Co-operative, which holds 60 percent, and Fernz, which holds the remaining 40 percent. |
| 1988 | Bay of Plenty Fertiliser Co-operative is approached by a collective of aerial top-dressers, who are keen to secure support for their industry. The co-operative purchases this operation, which eventually becomes Super Air. |
| 1992 | BOP Fertiliser Ltd purchases the country’s only ammonia urea manufacturing facility at Kapuni. |
| 1997 | The Kapuni plant undergoes a substantial upgrade, converting it into a top-quality manufacturing facility. |
| 1997 | After a lengthy battle and a Commerce Commission ruling, BOP Fertiliser merges successfully with the Southland Co-operative Phosphate Company, enlarging the customer and shareholder base and adding another manufacturing plant to the company’s assets. |
| 1998 | The Whangarei-based Farmers Fertiliser operation is bought from Fernz by BOP Fertiliser Ltd, bringing the number of phosphate manufacturing plants owned by the company to three, and extending coverage over the length of the country. |
| 1999 | The BOP Fertiliser Co-operative strengthens its business by purchasing 20 percent of the Fernz shareholding. At the same time, international fertiliser giant Norsk Hydro (today known as Yara) acquires the remaining 20 percent Fernz shareholding. |
| 2000 | BOP Fertiliser makes a strategic investment in New Zealand’s third largest fertiliser company, Summit-Quinphos, taking 30 percent ownership and gaining access to a wider distribution network. |
| 2001 | With national coverage established, BOP Fertiliser relaunches itself as Ballance Agri-Nutrients Ltd. The bright new logo reflects the company’s commitment to a scientific approach to farm nutrient management. |
| 2005 | Ballance purchases a further 10 percent stakeholding in Summit-Quinphos, taking its interest to 40 percent. |
| 2005 | Ballance completes its planned evolution, buying out the 20 percent shareholding held by Yara to once again become a 100 percent farmer-owned company. |
| 2006 | Ballance Agri-Nutrients Co-operative Limited and Ballance Agri-Nutrients Limited are amalgamated. The company trades under the name of Ballance Agri-Nutrients Limited. |
| 2006 | Ballance purchases Wairarapa-based aerial top-dressing company Air Services (1979) Limited, expanding its agricultural aviation network. |
| 2008 | Ballance purchases the 60 percent stakeholding in Summit-Quinphos that was previously owned by Sumitomo Corporation, bringing the smaller fertiliser company under full ownership of Ballance. |
| 2011 | Ballance purchases a 51 percent shareholding in agricultural technology company Farmworks Systems Limited, so adding the Ag-Hub on-line farm information and management tool to its service offering. |
| 2011 | Ballance enters the animal nutrition field, by purchasing a 51% stake in Seales Winslow, a company formed by the amalgamation of Seales Ltd in Morrinsville and Winslow Feeds and Nutrition in Ashburton. |
