Organic fertilizer is a material composed of living matter, such as weathering of the remains of plants, animals and humans. Organic fertilizers can be solid or liquid that is used to improve physical properties, chemical, and biological soil. Organic fertilizers contain lots of organic matter than mannure levels.

Various research indicates that most land-intensive agriculture has been declining productivity and land degradation, primarily associated with very low content of organic carbon in the soil, which is 2% . In fact, to obtain optimum productivity required at least 2.5% organic carbon. Organic fertilizers are very useful for the improvement of agricultural production both in quality and quantity, reduce environmental pollution, and improve the quality of land in a sustainable manner. The use of organic fertilizer in the long term can increase land productivity and to prevent land degradation.
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The use of organic fertilizer only, not to increase crop productivity and food security. Therefore integrated nutrient management system that combines with organic fertilizer and inorganic fertilizer should be encouraged.