RECLAMATION ROLE OF LIQUID HUMIC FERTILIZERS ON DRY GRASSLANDS OF THE MIDDLE TAIGA OF WESTERN SIBERIA
https://doi.org/10.31677/2311-0651-2020-27-1-55-65
Abstract
<p>An evaluation of the effectiveness of application of liquid humic fertilizer of new generation Gumovit, Lignovit, Gumovit-NPK and Lignovit-KP, on a natural upland grassland site. Fertilizers are distinguished from their analogues by the waste-free technology of their production from wood waste and top peat by an energy-efficient mechanochemical method. The influence of fertilizers on the floral diversity of meadow vegetation, productivity of grassland, as well as on changes in the agrochemical composition of soil horizons under meadow vegetation was evaluated. The research was conducted on a pilot site located on the upper terrace of the middle taiga of Western Siberia in the vicinity of Khanty-Mansiysk, with a podzolic type of soil cover on sedge-grass meadow vegetation. It is shown that a five-fold annual data entry of humic fertilizers on vegetative phytomass with a treatment interval of 10 days c working solution concentration of fertilizer in the working solution 50 ml/l and a consumption of 2l/m2 provided increase of productivity of terrestrial phytomass of hay at 1.5–2.0 times. At the same time, the feed value of meadow phytomass is significantly improved. Changes in the quality characteristics of herbage are expressed in an increase in the share of legumes and cereals against the background of a decrease in sedge species. There is a change in the agrochemical characteristics of the natural meadow, which is expressed in the deoxidation of root-fed soil horizons, their accumulation of a noticeable amount of soil organic matter and nutrients. The positive reclamation effect affects all soil horizons, including the podzolic subhorizon. The most effective should be the use of sophisticated and integrated liquid humic fertilizer Gumovit-NPK and Lignovit-KP.</p>
About the Authors
D. V. Dudkin
Surgut State University
Russian Federation
Candidate of Chemical Sciences, Associate Professor
Russian Federation
Candidate of Chemical Sciences, Associate Professor
I. M. Fedyaeva
Autinomus Institution of the Khanty-Mansiysk Autonomus Okrug – UgraHigh Technology Park
Russian Federation
Lead Manager
Russian Federation
Lead Manager
A. A. Pimenova
Branch of the federal state budgetary institution «Center for laboratory analysis and technical measurements in the Ural Federal district» in the Khanty-Mansiysk Autonomous Okrug
Russian Federation
Principal Engineer
Russian Federation
Principal Engineer
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Review
For citations:
Dudkin D.V., Fedyaeva I.M., Pimenova A.A. RECLAMATION ROLE OF LIQUID HUMIC FERTILIZERS ON DRY GRASSLANDS OF THE MIDDLE TAIGA OF WESTERN SIBERIA. Innovations and Food Safety. 2020;(1):55-65. (In Russ.) https://doi.org/10.31677/2311-0651-2020-27-1-55-65
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