Fertilizer used during plants' production adds value for consumers

(American Society for Horticultural Science) A study compared strategies using water-soluble fertilizers (WSF) and controlled-release fertilizers to provide adequate nutrition during production and consumer phases of petunia. After 42 days in the production study, all fertilizer strategies produced horticulturally acceptable plants. In the 'consumer phase' study, plant performance was greatly improved for plants with residual fertilizer compared with WSF. The study includes economic analyses of ...