what nutrients are plants missing
Plant nutrients include the three primary macronutrients (NPK, or nitrogen, phosphorus and potassium) obtained from fertilizers, and the other three macronutrients (calcium, sulfur and magnesium) whose availability is often managed by manure applications, composting and liming.ron when found in the soil is usually in the form of iron sulfate and/or chelated iron. Deficiencies of either iron or copper often show up in yellowing or even necrosis of the leaves. Manganese(lV) oxide Boron crystals Molybdenum aids in the utilization of nitrogen and the building of amino acids.