Top Veg of Top Crop is an organic fertilizer to 100%, of the NPK type, specific for the vegetative stage of the plants, rich in humic and fulvic acids. Despite its organic composition, it is completely soluble in water and therefore htere's no problem with the irrigation systems. Top Veg also has a control function of the pH of the nutrient solution, strengthens the natural defenses of plants, increases the production of chlorophyll making the most vigorous garden, stems and thicker branches and fleshy leaves.