Fertilisers
Fertilisers are used when natural soils are deficienin certain nutrients.
Fertilisers may be inorganic
Fertilisers offer varied combinations of nutrients designed especially for use with specific types of plants and in specific settings.
primary macronutrients.
hydrogen
carbon
oxygen
phosphorus
nitrogen
potassium
Secondary macronutrients
magnesium
sulphur
calcium
Micronutrients
iron
copper
chlorine
cobalt
boron
molybdenum
zinc
sodium
manganese
Plants take nutrients from roots or other parts such as stomata or lenticels.
the fertilizer is mixed in the soil from which the plant will extract what it needs through its root system.