Nutritional Requirements of Plants
Plants meet their nutritional needs for growth by absorbing soil nutrients, water, and carbon dioxide, in addition to the required sunlight.
The Chemical Composition of Plants
Plants are composed of water, carbon-containing organics, and non-carbon-containing inorganic substances such as potassium and nitrogen.
Approximately 20 macronutrients and micronutrients are deemed essential nutrients to support all the biochemical needs of plants.