INFLUENCE OF LIQUID FERTILIZERS ON THE NUTRIENTS DISTRIBUTION DYNAMICS IN A PLANT
Among the methods of applying fertilizers, spraying of vegetative plants has recently acquired a special role, the effectiveness of which on soybeans is quite high. In this regard, the goal was set to study the effect of liquid fertilizers on the dynamics of the distribution of the main nutrients in the vegetative organs of a plant. The studies were carried out in 2018-2020 in the southern part of the Amur region. As a result of the research, it was found that in the initial period of vegetation, the phase of the third trifoliate leaf, the maximum content of total nitrogen, phosphorus and potassium in the leaves and stems was noted in the variants with the use of Nertus Start in seed treatment; in the budding phase, the maximum content of total nitrogen and potassium in the leaves and stems is observed in the variants with the use of seed treatment before sowing Nertus Start and Nertus Bor in the form of spraying in the budding phase, total phosphorus in the leaves was determined in the variant with the combined use of all studied fertilizers, in the stems in the variant with seed treatment before sowing Nertus Start, in the phase of bean formation, the highest value of total nitrogen in leaves and stems is observed in the variant with the use of Nertus Start when processing seeds and Nertus Photosynthesis during vegetation, total phosphorus is observed in the variant with the use of Nertus Bor (in the budding phase) and total potassium in leaves is observed in the variant with using Nertus Start (seed treatment), and in the stems using Nertus Photosynthesis + Nertus Bor (in the budding phase). Thus, when using liquid fertilizers, their influence on the distribution of the main nutrients in the plant in various phases of growth and development of the soybean plant was noted.