Can the plant absorb organic fertilizer directly?

organic fertilizer is a comprehensive concept ,all natural organic matters applied as fertilizer are called organic fertilizer ,which raw materials can not be absorbed by plants because they are polymers and undissolved in matr,only when are they degraded by soil microorganisms into small water soluble pieces including Amino acids, oligosaccharides, flavonoids, alkaloids, plant can absorb.plant physiological function of the organic nutrients are not possessed by any mineral ones.