EN
Paper presents a review of many years' research results on the influence of different fertilization manners on chemical, physical and biological soil properties. Analysed data showed that the irrational fertilization leads to decreasing of soil fertility and productivity, and even to its degradation. Organic-mineral fertilization is the best possible way. Organic fertilizers advantageously affect the physical and biological soil properties, while the mineral fertilizers properly balance the nutrients in soil and maintain its adequate reaction.