Partner 500 is an innovative liquid fertilizer based on free amino acids with low and medium molecular weight, very effective for rebalancing the metabolism of crops, promotes growth, makes faster the recovery from atmospheric stress. The formula is obtained from the hydrolysis of protein substances of animal origin and, applied in fertigation, promotes the growth of fruit and vegetables in development. The absorption of the nutritive elements contained in Partner 500 is total and immediate. Partner 500 also contributes to improving the chemical-physical and biological characteristics of the soil, even reducing salinity and increasing the activity of the beneficial micro-organisms.