The Finer Details of Micronutrient Availability
Even though nutrients are labeled as micronutrients, secondary nutrients, and macronutrients, they are all subcategories within the group of recognized essential elements for plant growth. Nitrogen, phosphorus, and potassium are not more essential than zinc, boron, manganese, iron, et cetera. They are all essential, just required in different amounts at different times. When thought about in that way, it is hard to rationalize how the conventional approach to soil fertility treats micros and...