Abstract
The yield of medicinal plants, the quality of medicinal raw materials, and the economic efficiency of their cultivation directly depend on the biological characteristics of the plant, the agrotechnical practices applied, and the soil and climatic conditions of the region. The agrochemical properties of the soil, moisture availability, air temperature, light regime, and mineral nutrition conditions influence the physiological and biochemical processes occurring in the plant. Therefore, when determining the optimal rates of mineral fertilizers for the cultivation of medicinal marshmallow (Althaea officinalis L.), it is important not only to assess their effects on the growth, development, and leaf yield of the plant, but also to evaluate their economic efficiency. The article presents information on the economic efficiency of agrotechnical measures applied in relation to the physiological effects of mineral elements on the growth and phytochemical composition of medicinal marshmallow (Althaea officinalis L.).
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