Nitrogen often makes the headlines, and rightfully so, but Phosphorus (P) and Potassium (K) are considered macronutrients for a reason. With high fertilizer prices we're often asked: "Can I skip a year of P and K applications?" In this Fertility 101 video, we'll cover that question along with the importance of P and K for essential plant functions, pros and cons of more frequent soil testing, and an ROI analysis.