Abstract
This paper presents the results of a study on the effects of long-term use of drip irrigation with mineralized or, in other words, saline waters on the physicochemical properties of black chernozem soils in a fruit nursery. Irrigation induced local accumulation of water-soluble salts in the main wetted zone, alkalinization of the soil, and saturation of the soil-absorbing complex with Na+ and Mg2+ cations and Ca2+ depletion. The introduction of phosphogypsum in a dose of 2 t/ha for chemical reclamation reduced high alkalinity of the soil and increased the content of exchangeable calcium in the soil-absorbing complex. The application of phosphogypsum seems to be an effective method to restore the fertility of chernozem soils under conditions of long-term use of drip irrigation with mineralized waters.
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Original Russian Text © T.G. Fomenko, V.P. Popova, E.A. Chernikov, 2018, published in Rossiiskaya Sel’skokhozyaistvennaya Nauka, 2018, No. 2, pp. 44–49.
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Fomenko, T.G., Popova, V.P. & Chernikov, E.A. Effect of Chemical Amelioration on the Physicochemical Properties of Chernozem Soils in Irrigated Fruit Nurseries. Russ. Agricult. Sci. 44, 260–264 (2018). https://doi.org/10.3103/S1068367418030047
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DOI: https://doi.org/10.3103/S1068367418030047