Abstract

The article presents the materials of studies of effect of foliar application of organomineral fertilizers on the productivity and quality of agricultural crops grain in the conditions of dark chestnut soils of the Saratov Left Bank. It is shown that the application of an organic microelement complex (OMEK “Universal”) contributes to an increase in yield at the level of 0.28 t/ha in winter wheat. of 0.07 t/ha in chickpeas and sunflower and of 0.23 t/ha in corn. Analysis of the product quality showed that after foliar fertilization with an organic microelement complex (OMEK “Universal”). these values were higher compared to the control and after application of Bionex-Kemi. When calculating the economic efficiency. the highest indicators of net income were after foliar application with fertilizer with an organic microelement complex (OMEK “Universal”).

Highlights

  • One of the factors limiting the growth and development of plants is the nutritional regime

  • It is shown that the application of an organic microelement complex (OMEK "Universal") contributes to an increase in yield at the level of 0.28 t/ha in winter wheat. of 0.07 t/ha in chickpeas and sunflower and of 0.23 t/ha in corn

  • After foliar application of Bionex-Kemi fertilizer, this indicator increased by 0.21 t/ha (6.12%) compared to the control and amounted to 3.64 t/ha

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Summary

Introduction

One of the factors limiting the growth and development of plants is the nutritional regime. The reserves of available elements in the soil are often depleted or the rate of their assimilation is insufficient, which leads to a deficiency in plant nutrition. Trace elements play an important role in the activation of enzymatic systems; they are part of pigments, hormones, vitamins and affect metabolic processes in plants, as well as they perform a number of other functions. With a lack of certain elements in plants, signs of their deficiency are found. An excess of such elements as H +, Cl–, Al3+, Na+, NH4+, Pb2+, Sr2+, Cs+ can cause a number of non-infectious physiological plant diseases [4, 5] . an excess of such elements as H +, Cl–, Al3+, Na+, NH4+, Pb2+, Sr2+, Cs+ can cause a number of non-infectious physiological plant diseases [4, 5]

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