4.1 Prevention methods for plant protection against diseases in organic agriculture

Soil and foliar fertilization


Soil or foliar fertilization of the crop is used to compensate for nutrient deficiencies or imbalances. It can either be applied with in the form of purchased products or stored in the soil as part of the rotation of a previous crop, such as legumes (nitrogen). Excessive or incorrect fertilizer applications can weaken plant health. Nitrogen promotes rapid growth. At the same time, the soft cell walls of the new shoots facilitate the penetration of pathogens.