Humus content in a podzolized chernozem after a long-term application of fertilizers in a field crop rotation
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Kuupäev
2018
Kättesaadav alates
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Abstrakt
The article presents
the results of the research into influence of
a long
-
term (50 years)
application of different fertilizer rates and fertilizer systems in the field crop rotation on the humus
composition and optical parameters of humic acids of
a heavy
-
loamy podzolized chernozem of
the Right Bank Forest
-
Steppe of Ukra
ine.
It was found that application of fertilizers significantly affects the dominance of humic acids over
fulvic acids in the composition of soil, which indicates humate type of soil. Chroma index of
humic acids is within 3.56
–
3.75 depending on a fertilize
r. Indicators of the optical properties of
humic acids of a podzolized chernozem have a high degree of humification.
Kirjeldus
Article
Märksõnad
humus, humic acids, fulvic acids, optical density, fertility, odzolized chernozem, fertilizers, field crop rotation, articles