... since the 1990’s the Institutions of the Ministry of Agriculture and Rural Development have been investigating the causes, and working towards solutions to this problem. One such institution, ... for these crops that are growing in soil, pest and disease pressure and the uptake of heavy metals, will continue to be a problem. The adoption of soilless culture, combined with the use of ... success in terms of demonstrating excellent pest management. Evidence of pests and disease, including spots on leaves, were only apparent in seven individual tomato plants. The greenhouse used, and...