All that glitters may not be gold regarding foliar fertilizer. Macronutrients and ... soil testing with a reputable lab, and nutrient application according to fertility recommendations.

These fertilizers readily dissolve in water, allowing for easy application through irrigation systems or foliar spraying. They are derived from natural sources and offer numerous benefits ...

“Is there research to support an application of a specific nutrient ... soil scientist Nathan Slaton found no benefit to foliar fertilizer.