Advantages & disadvantages of fertilizers
Fertilizer is any organic or inorganic material of natural or synthetic origin that is added to a soil to supply one or more plant nutrients essential to the growth of plants. 3. We need more food to feed increased population. This is only possible through high yielding varieties of food grains and other food materials like Oilseeds, Sugar, Fruits etc. All these things need nutrition through roots - from soil. These nutritions in large quantity can only be fortified to soil through use of Chemical fertilizers. 4. Excess or uncontrolled use can spoil the soil properties, Osmotic pressure, Conductivity and water holding capacity. It may also affect adversely on population of microorganisms and other parameters. It can also damage water resources.