Growth of sorghum plants (Sorghum vulgare L.) in technogenically contaminated soils
Journal Title: Бюллетень науки и практики - Year 2018, Vol 4, Issue 11
Abstract
In the poorly man-caused polluted soils of the Absheron Peninsula, Azerbaijan (Kala settlement), field experiments were carried out with the help of Sorghum plants (Sorghum vulgare L.). In phytoremediation experiments, the Sorghum plant (Sorghum vulgare L.) occupies a special place in its physiological characteristics. For the planting and cultivation of Sorghum (Sorghum vulgare L.), 2 sites with dimensions of 5×5 m = 25 m2 were identified. The first site was intended for the control option. The soil of the second site was treated with a special biofertilizer with a calculation of 29–30 kg per 25 m2 of the area. In addition, in the process of growing Sorghum plants (Sorghum vulgare L.) on the second site, it was exposed to spraying with biologically active liquid preparations Baktovit and Biomax with a calculation of 1 litre from each preparation for a site with a size of 25m2. The vegetative period of the Sorghum plant (Sorghum vulgare L.) lasted 140 days. The growth process was analyzed in the integral approximation, by the weight of the green mass of the plants taken from each 1 m2 of the site, which was chosen at random. The choice and weighing of the green mass were carried out 5 times, 30, 50, 70, 90, 120th days of the vegetation period of Sorghum plants (Sorghum vulgare L.). The growth of plants in the context of the integral approximation was analyzed within the framework of two substrate model of plant growth. It was revealed that, in the framework of this approximation, the growth of the Sorghum plant (Sorghum vulgare L.) is described with sufficient accuracy by an exponential function. Analysis of the obtained data allows the following conclusions. The growth process of Sorghum plants (Sorghum vulgare L.) has shown its stability against poorly technogenically polluted soils and can play an important role in the biological rehabilitation of such soils. The growth dynamics of Sorghum plants (Sorghum vulgare L.) during the growing season as part of the approximate weight of the green mass is satisfactorily described by the two-substrate model of plant growth, which demonstrates the ability of the plant to adapt to the shortages of nutrients in the soil environment.
Authors and Affiliations
A. Zamanova
Keywords
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- EP ID EP491614
- DOI 10.5281/zenodo.1488141
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