The disclosed composition for fertilization and treating trees, shrubs and climbing plants with programmed release of the active substance is comprising the active substance stored in capsules made by nanoencapsulation or microencapsulation method and wherein based on capsule membrane the time of release of the active substance is adjusted. The active component stored in the nanocapsules or microcapsules can be such that it acidifies the surrounding soil in the range of pH 2,5 to pH 6,5. One example of such active component is the use of citric acid, which is completely ecological and does not create environmental pollution. Also, the active component in the nanocapsules can be such that it regulates the acidity of the soil in the range of pH 6,5 to pH 7,0. Furthermore, the active component in the special capsules can be an insecticide and/or in the special capsules fungicide, and/or in the special capsules acaricide and/or in the special capsules pheromone and/or in the special capsules repellent.