Magnesium Magnesium is plentiful in most Ontario soils, but deficiencies can occur on acidic, sandy soils. The symptoms appear first as yellow striping of the lower leaves (Figure 1). As the deficiency worsens, the upper leaves may become striped while the lower leaves turn reddish-purple. Dolomitic lime is an excellent source of magnesium where limestone … Continue reading Secondary and Micronutrients, Tissue Testing and Foliar Fertilization […]

Read More…