The Law of the Minimum and the Law of Return are regarded as representing opposing perspectives on soil nutrients and plant health. But can they coexist?
Zinc may be a micronutrient, but it is of vital importance to garden and field crops. Take a look at this list of roles.
Sulfur is a rather interesting mineral when it comes to plants. It is essential for growth and photosynthesis.
The role of sodium in plant health is unclear at present. Most experts say plants do not need it and therefore cannot suffer deficiency.
Scientists do not consider selenium to be an essential plant nutrient. However, it is beneficial because it helps plants resist stressors.
Potassium ions are found in every living cell, probably because they are necessary to activate enzymes controlling so many crucial processes.
Phosphorus is associated with fruit production in the minds of gardeners because it is the most important element for germination and growth.
Because plants contain so much nitrogen, it is little wonder that they require ample amounts. Without it, plants simply cannot grow.
Until recently, scientists did not consider nickel essential for plant growth. Now nickel is recognized as an essential nanonutrient.
Manganese is an important micronutrient. It helps to activate some of the key enzyme systems in plants. But it has many other roles, too.