In the broad sense, fertilizer refers to any materials that can increase soil fertility and crop production or quality. Generally, fertilizer can be classified into two classes: organic fertilizer and chemical fertilizer.
Bio-fertilizers are defined as biologically active products or microbial inoculants consist bacteria, algae, fungi or biological compound which may help to benefit of the soil and plants.
Chemical fertilizers are defined as fertilizers consist of inorganic chemicals which could be synthesized artificially. Some people call chemical fertilizers as Straight fertilizers.
An Organic Fertilizers is produced from farm waste, animals and plants or ancillary materials-based industries agriculture decayed and processed.
Bio-Organic fertilizer is the fermented materials organic matter with addition of other functional beneficial microorganism of your choice.
Bio-chemical fertilizer consists of three main component, they are microorganisms, organic matter and chemical nutrients.
Compound Fertilizer is the fertilizer which contains two or three nutrients of N, P, K. NPK fertilizers are three-component fertilizers providing nitrogen, phosphorus, and potassium. It is available in powder or granular form.
Microbial fertilizer which is non-poison and harmless, contains many biological active microbes cultured and produced by specific Microbe Strain. It doesn’t pollute environment.
Bacteria that able to convert nitrogen gas from the atmosphere into nitrous compound accessible by plants are called nitrogen-fixing bacteria.