Biofertilizer
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A biofertilizer is a substance containing living micro-organisms which, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere or the interior of the plant and promote growth by incr
Blue-green algae cultured in specific media. Blue-green algae can be helpful in agriculture as they have the capability to fix atmospheric nitrogen to soil. This nitrogen is helpful to the crops. Blue-green algae is used as a biofertilizer.
Mycorrhizal fungi promote bioavailability of nutrients for plants
Vermicompost-tea is often used in organic farming as biofertilizer.
Kelp has very high nutrient density
Endophyte
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An endophyte is an endosymbiont, often a bacterium or fungus, that lives within a plant for at least part of its life cycle without causing apparent disease. Endophytes are ubiquitous and have been fo
Transmission electron microscope image of a cross section through a soybean (Glycine max) root nodule. The nitrogen fixing bacteria, and fungi Bradyrhizobium japonicum, infects the roots and establishes a symbiosis. This high magnification image shows part of a cell with single bacteroid (bacterium-like cell or modified bacterial cell) within their symbiosomes. In this image, you can also see endoplasmic reticulum, Golgi apparatus and cell wall.
Grass sheath and blade tissues containing endophytic fungal thread