DYNAMIC TRANSFORMATION OF SEWAGE SLUDGE AND FARMYARD MANURE COMPONENTS. 1. CONTENT OF HUMIC SUBSTANCES AND MINERALISATION OF ORGANIC CARBON AND NITROGEN IN INCUBATED SOILS . 1996. Т. 58. № 2-3. С. 121-126статья
Информация о цитировании статьи получена из
Scopus,
Web of Science
Дата последнего поиска статьи во внешних источниках: 9 сентября 2021 г.
Аннотация:An incubation experiment was conducted with farmyard manure (FYM) and two municipal sewage sludges (SS): one from Russia (SSR) and one from Sweden (SSS) using a sandy loam soil at 25°C for 6 weeks. The objectives were to investigate mineralisation of organic C and N and transformations of humic substances (HS). Cumulative C mineralisation was about 0.8–1% of total C and cumulative N mineralised was about 3–7% of the pre-incubation total N contents in the treatments. The organic materials contained 1.2–1.5% humic acids (HA) and 0.8–1.4% fulvic acids (FA). Incubating the soils with manures did not markedly influence soil humus composition, indicating that SS-borne organic C was not converted into HS during the short-term incubation. SSR was more resistant to decomposition than SSS, although both SS were less susceptible than FYM to changes in all parameters.