Thoughts on Iron Nutrition

Iron nutrition in plants is a very complicated subject. It’s difficult to get your head around it. One of the reasons is that there are many chemical forms of iron in soil, and they vary in their solubility and availability to plants. It can comprise up to 5% of the...

Nutrient Deficiencies in Trees

As we walk through the woods, we rarely see plants or trees showing nutrient deficiency symptoms. There are several reasons for this. One, the trees are generally growing in their native habitat, or a habitat to which they are adapted. Second, their root systems...