Handy background information about crop nutrition with special reference to horticulture.
Crop nutrition overview
In order to grow and flourish, plants need some 20 mineral nutrients taken from nature. Discover more here.
Major and secondary nutrients
Learn more about major (N, P, and K) and secondary (S, Ca, and Mg) nutrients here.
Learn more about micronutrients here.
Iron in particular
Learn more about the special importance of iron in horticultural crop nutrition here.