Open AccessBIOGEOCHEMISTRY OF NICKEL DURING IRRIGATION
Author(s) -
Tat'yana Kramareva,
Nadezhda Gorbunova,
A. I. Gromovik,
E. I. Kulikova
Publication year - 2020
Publication title -
lesotehničeskij žurnal
Language(s) - English
Resource type - Journals
ISSN - 2222-7962
DOI - 10.34220/issn.2222-7962/2020.3/12
Subject(s) - humus , irrigation , organic matter , biogeochemistry , groundwater , environmental science , nickel , environmental chemistry , agronomy , chemistry , soil science , geology , soil water , biology , geotechnical engineering , organic chemistry
The geochemical feature of the study area is the enrichment of soil-forming and underlying rocks with Ni, and, as a consequence, a high metal content in groundwater and surface sources, the water of which is used for irrigation. The regular supply of the element with irrigation water leads to an increase in the total content of Ni and its exchange compounds in the upper humus horizons of the studied leached chernozems. Irrigation contributes to the accumulation of Ni in grain and phytomass of crop production. It is shown that long-term irrigation leads to the transformation of organic matter, a change in the pH of the soil solution and the values of hydrolytic acidity.