C, H, O come in abundance from the atmosphere.
Nutrients is the available & type of elements in a plant.
Micronutrients are nutrients in the smallest quantities. Ex. Iron, Zinc
Macronutrients are nutrients required in large quantities.
Inorganic fertilizer is non-living sources and area in soluble form so they can be quickly made available to plants. Ex. minerals, rocks
Organic fertilizer is from plant & animal materials, is slow acting & long lasting. Ex. animal manure, soybean meal, mulch.
An example nutrient deficiency would be potassium, it starts to yellow in the veins, & the leaf tips start to curl- potash.