As it is known that biofertlizers are naturally occurring microorganisms, so here are some of the important biofertilizers which are beneficent in the cultivation of plants and help them to grow in a healthy environment.
Azotobacter is a bacterium that lives freely in the environment and has the ability to fix the atmospheric nitrogen into soil. It is used in the cultivation of many important crops because it is the important source of providing nitrogen to the plants. It enables the plant to germinate and grow without being effected from any harmful microbes.
Phosphate Solubilizers have the ability to dissolve the fixed phosphate and convert it in the form which can be utilized by the plants. They produce enzymes, hormones and organic acids. These components make possible the solubilization of insoluble phosphate so that it can easily be used by the plants.
Mycorrhiza is the symbiotic relationship between the roots of the plant and fungi. Fungi make colonies either intracellularly or extracellularly in the roots of the plants and provide nutrients to the plants which are helpful n its growth. Fungi are very important for the soil life.
Types of Biofertilizers:-
There are three types of biofertlizers which help the plant to grow at different levels of its growth.
This type of biofertilizer helps the soil to correct its nitrogen level. Nitrogen is an essential component for plant growth but plants need it in a limited amount. Different soils have different requirement for nitrogen that is why it depends on the cultivated crops that which type of nitrogen biofertilizer should be used. Azotobacter is a biofertilizer which provides the required amount of nitrogen to the plant from the soil.
Phosphorus is also a limiting factor and plants need it in particular amount. Phosphorus biofertlizers help the soil to correct the phosphorus level. As nitrogen biofertilizers depend on the cultivating crops, phosphorus biofertlizers do not depend on the cultivating crops. Rhizobium is the phosphorus biofertilizer.
Compost biofertilizers are animals’ wastes which are degraded by the bacteria and used as the best naturally occurring biofertlizers. They not only protect the plants from diseases nut also help them to grow in a healthy environment.
Biofertilizers are made from the resources of fossil fuels which are nonrenewable. They have the ability to create imbalance of nutrients in he soil and are used by the soil in excessive amounts. They do not affect the quality of the soil or the health of the plant and provide them a friendly environment to grow. They also increase the crop yield which is not possible by other means. They have low cost and can be found easily.