High-intensity horticulture could provide a solution to ensuring food security, water efficiency, and optimal use of fertiliser. This was according to Theo Aanhane, business unit manager for Eurofins Agro in the Netherlands, who was speaking at the recent Fertilizer Association of Southern Africa’s annual congress.
In the Netherlands, producers who produced tomatoes in climate-controlled tunnels, for example, were harvesting over 300t/ha, he said.
“Open-field production has a lot of risks. In a world with growing demand for food, one can’t afford large fluctuations [in yields] caused by temperature, rainfall, or threats such as bacteria, weeds and insects. Greenhouse horticulture is more secure,” Aanhane said. High-intensity horticulture allowed for more effective biological pest control, required less space, and required no specific soil type, Aanhane said. It was, however, not a silver…