Thes Soil Nutrient Probes provide fast, accurate measurements of nitrogen (N), phosphorus (P), and potassium (K) levels in mg/kg directly from the soil. Simply insert the probes into the soil to monitor essential nutrients, helping you optimize fertilization, improve crop yields, and reduce input costs. Ideal for real-time, in-field testing, these durable probes offer a quick and reliable solution for maintaining balanced soil health and maximizing agricultural productivity.