Home > Products > Growers > Grower Fertilizers Grower Fertilizers Understanding crop nutrition is one of the top concerns of every grower of greenhouse and nursery crops. The proper balance of N-P-K and minor elements is the key to a healthy crop. BFG Supply Co. offers a wide range of the fertilizers you need, whether it's slow release, controlled release, water soluble products, or a specialty fertilizer. Furthermore, our staff has the information and knowledge to guide you in choosing the optimal products for your crops. Basic Nutrients Controlled Release Liquid Media Starter Charge Micronutrients Turf Water Soluble Fertilizer