Liquid organic amino acid and peptide fertilizer in the form of a high-quality protein hydrolyzate of natural origin. The product contains a repetitive profile of L-amino acids: glycine, proline, hydroxyproline, glutamic acid, alanine, arginine, aspartic acid, serine, histidine, lysine, leucine, valine, phenylalanine, isoleucine, threonine, tyrosine, cysteine, methionine. The fertilizer is intended for feeding with organic nitrogen, increasing the tolerance of plants to stress and their regeneration after stress, increasing the assimilability of nutrients when used with mineral fertilizers and increasing the effectiveness of protective treatments. For use in orchard, vegetable and agricultural crops, foliar application and/or by fertigation. Slightly acidic, completely soluble in water. It mixes perfectly. It has the properties of reducing the surface tension of the usable liquid.