By Peter R. Baye, Ph.D.
San Francisco Branch
Fertilizers are essentially manufactured sources of mineral nutrients which are deliberately applied to plants. The subject of fertilizer is often treated by amateur gardeners and professional horticulturists a very personal matter of conviction, like home medical remedies, family recipes, child rearing techniques, or even religious beliefs. The physiology of mineral nutrients in flowering plants is not really a matter of conviction; it is a relatively old science. It also has been translated into a popular science because of its practical applications, some distortions occur with simplification or mixing with non-scientific beliefs. Continue reading