Fertilizers are essential nutrients for plants. Plants requires phosphorus, potassium,nitrogen,sulphur,calcium ,ion and magnesium.These elements are present in the soil in the form of minerals.After the few years of cropping the soil becomes less productive because of less amount of nutrients.In order to keep up soil fertility and get good yields of various crops,it is necessary to add materials containing nitrogen, potassium in the form of manures (uram).Which may be natural or artificial.The artificial manures are called chemical fertilizers.
Functions of essential nutrients:
Nitrogen:
Nitrogen is highly essential for raid growth of plants.
It improves the yields of the cropIt also increases the protein content in the crop
Phosphorus:
Phosphates are potential source of phosphorus for plants.It is a highly valuable fertilizers.It promotes early growth and maturity of plants.It helps in the formation of high yield seeds.
Potassium:
It develops healthy root system in the plants.
Potassium compounds are generally used in the mixed fertilizers containing Nitrogen,Phosphorus .It is also known as N.P.K fertilizers.
Source (Principles of inorganic chemistry and wikipedia)
Functions of essential nutrients:
Nitrogen:
Nitrogen is highly essential for raid growth of plants.
It improves the yields of the cropIt also increases the protein content in the crop
Phosphorus:
Phosphates are potential source of phosphorus for plants.It is a highly valuable fertilizers.It promotes early growth and maturity of plants.It helps in the formation of high yield seeds.
Potassium:
It develops healthy root system in the plants.
Potassium compounds are generally used in the mixed fertilizers containing Nitrogen,Phosphorus .It is also known as N.P.K fertilizers.
Source (Principles of inorganic chemistry and wikipedia)
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