The challenge is trying to make sense of the numbers in your report. It also reports ranges from a number of other sources for comparison. For about six weeks after harvest the leaf nutrient levels are relatively stable. During bloom and before harvest the nutrient levels will fluctuate. The nutrients are usually reported as being deficient, sufficient or excessive.
Most reports provide a critical nutrient range.
Plants growing under field conditions are constantly experiencing a changing environment. A number of factors at the time of sampling can affect the reported values. Nutrient concentrations are influenced by water stress, soil and air temperature, light, disease, insects, herbicide injury, poor root development, soil management practices, associated nutrient levels, sampling time, plant part sampled, age of plant and cultivar. These are important factors to consider when looking at your report and reviewing your crop. Zeroing in on one deficient nutrient as limiting plant growth is often the most frequent wrong interpretation of foliar analysis.