Characteristics of organic manure Compared to synthetic fertilizer formulations organic fertilizers contain 1. Relatively low concentrations of actual nutrients 2. They have some organic matter 3. The most of nutrient is slow releasing 4. they have more kinds nutrient than mineral fertilizersCharacteristics of organic manure ▪ Compared to synthetic fertilizer formulations, organic fertilizers contain ： ▪ 1. Relatively low concentrations of actual nutrients ▪ 2. They have some organic matter. ▪ 3. The most of nutrient is slow releasing. ▪ 4. they have more kinds nutrient than mineral fertilizers