The most commonly used biological fertilizer which is used for several years and is considered the best biological fertilizer is animal manure. Production, transportation, and processing of this biological fertilizer are eco-friendly and cost very little to the farmer.
It adds organic matter to the soil and its composition is between 20 to 40%. Moreover, it has effects on the physicochemical stability of soils, plant growth, and development of beneficial microbial populations because of its high proportion of nitrogen and potassium, medium proportions of calcium, and low proportion of magnesium.
It is advised to use a thin layer over a large proportion of land rather than stacking it on a small portion of land.

For a sustainable agriculture system, there is a requirement of various inputs that helps both the plant and the soil to come up with the best results. Bio-fertilizers are one such input that has become very important for the crops and it is the only such way to reduce the use and effects of chemical fertilizers on the soil and plants. IPL Biologicals deals in wide varieties of biofertilizers and other solutions related to agriculture.
Biofertilizers are important for the soil because it maintains the fertility of the soil for a long time without doing any kind damage to it. Moreover using biofertilizers helps in recovering the soil affected by chemical fertilizers and pests by providing optimum nutrients to crop plants and keeping control of pests and pathogens.