Soil organic material is needed up to a satisfactory level for sustainable crop production and high productivity of crops over long periods. Humic Acid (HA), an organic matter, might help to overcome the production constraints of crops with its growth stimulating property. Humic acid is the major component of most of the organic fertilizers and the most active components of soil and compost. Humic acid mainly arises from chemical and biological degradation of plant and animal residues and by the synthetic activities of different micro-organisms. After enriches into the soil it facilitates fertilizer nutrients to reach their maximum potential in improving plant growth.

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