South Africa's agricultural growth story faces a new test as the fallout from the war involving Iran threatens to increase fuel and fertilizer costs, reduce farm margins and complicate export flows at a critical point in the planting and marketing cycle.
Industry executives and banking executives said the country's agriculture sector, which had shown remarkable resilience despite previous global shocks, is now facing a new wave of pressure linked to energy market disruptions, dependence on imports and uncertainty in key overseas markets.
Speaking in a television interview, Ellen Matsey, director of statistics and economic analysis at South Africa's department of agriculture, warned that the conflict could derail momentum in an industry that had entered the year on relatively solid ground.
From Matse's perspective, the biggest immediate risks are related to oil and fertilizer. South African farmers rely heavily on diesel to run tractors and other equipment, making them vulnerable to any supply disruptions or price increases in fuel markets linked to crude oil. This concern is particularly acute as the country moves into its winter planting period and looks forward to the more important summer production season later in the year.
Also, fertilizer costs are emerging as a major weakness. South Africa imports the bulk of its fertilizer requirements, leaving farmers exposed to global supply disruptions, exchange rate volatility and high land costs. Matse said this reliance is already taking a toll on growers' confidence, with farmers growing concerned about their ability to maintain profitability and margins even after a relatively favorable summer harvest season.
The pressure comes at a delicate moment for the region. Agriculture has been one of South Africa's economic bright spots in recent years, helping to support growth and exports despite a difficult macroeconomic backdrop and ongoing trade frictions abroad. But the latest geopolitical blow is reviving familiar concerns from the Russia-Ukraine war, when farm input inflation soared and food supply chains became strained.
According to Matse, South Africa currently produces only about 20% of its fertilizer needs domestically, with about 80% sourced from international markets. That level of import dependence makes the country structurally weak, he said. It also means that global market events affect local production costs and, ultimately, the food prices consumers pay.
Matsé argued that the government should re-examine the country's historical fertilizer production base and examine how past changes in policy, industrial restructuring, and state-linked institutions contributed to the erosion of local capacity. In their view, rebuilding some domestic capacity could help insulate the agricultural sector from external shocks, even if complete self-sufficiency is unrealistic.
He also pointed out the need to find alternatives in fertilizer composition. While South Africa has some local chemical production capacity through existing industrial players, it lacks some raw materials, including potassium salts, that would allow it to fully substitute imports. Nevertheless, Matse said targeted investment, support for corporate expansion and greater participation by small and medium-sized enterprises could begin to strengthen local input supply chains.
He cited the soybean industry as an example of how South Africa has previously reduced import risk by expanding local processing into feed inputs for livestock and poultry. He suggested that where possible, a similar strategy could be considered in fertilizer related industries.
Still, the path to greater flexibility is not simple. Lofi Brandt, agriculture sector executive at Absa Agribusiness, said farmers are already under significant cost pressure from fuel and fertiliser, and there are no easy solutions to protect margins in the current environment.
Brandt said the timing of the blow matters. South Africa is nearing the end of its summer production cycle, with grain harvest approaching in the middle of the year, while planning for the next summer crop season begins towards the end of the year. This means growers are having to make marketing and planting decisions in a highly uncertain global environment.
Brandt said that in addition to input costs, market dynamics could also change if trade flows are disrupted. For producers exposed to export markets, changing demand patterns and logistics constraints can alter pricing and market allocation of different commodities.
This is particularly relevant for the Middle East, which is a key destination in South Africa's agricultural diversification strategy. Brandt said demand from the region is still strong, especially for lemons as the citrus marketing season gets underway. However, shipping produce to those markets has become expensive, and the outlook will depend on whether demand persists and supply routes remain viable.
If access to the Middle East weakens, South African exporters may be forced to reroute production to other destinations. If too much supply is redirected to already competing markets it could unbalance the global market and put pressure on prices.
Consumer impact is another important part of the equation. Matsé said farmers are often forced to pass higher costs through the value chain to at least cover expenses, service production credit and meet quality and export standards. But the ability to fully shift those costs is hampered by weak household purchasing power, as South African consumers grapple with widespread cost-of-living declines.
This tension creates a difficult balance for producers, wholesalers, and retailers. In periods of strong harvests, some parts of the value chain may be able to use promotions, stock management and pricing strategies to soften the blow to consumers. But those responses largely depend on timing, crop conditions and demand.
Brandt said some opportunities could emerge for farmers trying to protect profitability if global grain prices rise in response to supply-side inflation. In that situation, producers may benefit from extending the marketing season of some summer crops. Nevertheless, he cautioned that there is no silver lining and much will depend on how the geopolitical situation develops.
On the long-term question of flexibility, Brandt took a more cautious stance on localization of fertilizer production. While there may be room for selective investment, he said many key fertilizer components are not available in South Africa and building new production capacity would require substantial capital expenditure. He also warned that because agriculture operates within global input and output markets, local production alone will not fully protect the sector from international price shocks.
For now, the message from both government and industry is clear: South Africa's agricultural sector remains fundamentally resilient, but its growth path is becoming more fragile. With planting decisions unfolding, export routes being scrutinized and input costs rising again, the war-induced shock is exposing the structural weaknesses beneath one of the strongest performing sectors of the economy.