It is a liquid preparation of phosphorus and potassium with boron. It contributes to the increase of size, weight and sugars of the fruits, to their good and bright color, to their good size and uniformity and in general to their good quality and maintenance. Intended for use as foliar fertilizer to help the growth, thickening, ripening and quality of fruits (such as apricot or nectarine), vegetables (such as eggplant, melon, tomato, etc.) where the diameter and quality of the fruit has special value. Also when administration is needed to prevent P, K and B deficiencies.