Soil Organic Carbon Sequestration and Distribution, Soil Biological Characteristics, and Winter Wheat Yields Under Different Tillage Practices in Long-Term Field Experiment
Agronomy,
Год журнала:
2025,
Номер
15(4), С. 947 - 947
Опубликована: Апрель 13, 2025
The
organic
carbon
content
of
soil
(SOC)
is
considered
a
key
factor
for
health
and
plays
an
important
role
in
climate
change.
Conservation
tillage
systems
promote
sequestration
reduce
greenhouse
gas
emissions.
A
long-term
field
experiment
with
different
practices
(conventional
tillage—CT;
reduced
tillage—RT;
no
tillage—NT)
has
been
conducted
Prague-Ruzyně
(Czech
Republic)
since
1995.
soil’s
content,
microbial
biomass
(Cmic),
enzymatic
characteristics
were
evaluated
four-year
crop
rotation
periods
from
2005
to
2024.
was
as
follows:
winter
oil
seed
rape,
wheat,
pea,
wheat.
following
layers
studied:
0–10,
10–20,
20–30
cm.
Crop
residues
remained
the
incorporated
into
according
used
tillage—completely
under
CT,
partly
RT,
remaining
mulch
NT.
Under
RT
NT,
SOC,
Cmic,
activity
concentrated
top
layer
decreased
deeper
layers,
whereas
all
these
evenly
distributed
across
CT
practice.
SOC
increased
gradually
whole
profile
(0–30
cm)
51.0
t
ha−1
on
average
2005–2008
56.0
2021–2024
CT.
An
increase
57.4
63.1
61.1
65.7
NT
noted
2017–2020,
after
which
stagnation
observed
years
2021–2024.
Similarly,
lower
Cmic
found
same
period.
highest
C
NT;
571
kg
year−1
recorded
establishment
1995
This
followed
by
(462
221
year−1,
respectively).
wheat
yields
nitrogen
grain
higher
(8.67
ha−1,
2.16%
N)
(8.97
2.13%
than
(8.23
2.03%
N).
weather
conditions
during
year
(abundance
precipitation)
influenced
significantly
more
practices.
soils,
but
change
associated
temperatures
can
affect
processes.
Язык: Английский
Unraveling the Effect of Soil Moisture on Microbial Diversity and Enzymatic Activity in Agricultural Soils
Microorganisms,
Год журнала:
2025,
Номер
13(6), С. 1245 - 1245
Опубликована: Май 28, 2025
This
study
investigates
the
impact
of
two
months
drought
stress
on
microbial
diversity,
enzyme
activities
and
functional
diversity
in
four
agricultural
soils
(Gniewkowo
(G);
Lulkowo
(L);
Nieszawa
(N);
Suchatówka
(S))
from
Poland
during
summer
season.
The
physicochemical
parameters
(pH,
organic
carbon,
calcium
carbonate,
total
nitrogen,
nitrate,
ammonium,
phosphorus
available
phosphate),
abundance,
community-level
physiological
profiling,
soil
enzymes
(acid
alkaline
phosphatases,
dehydrogenase
urease)
were
investigated
at
time
intervals:
zero-week
(T0)
eighth
week
(T8).
Generally,
enumeration
showed
higher
bacterial
populations
(496.63
×
104
CFU
g−1
dry
soil)
compared
to
actinomycetes
(13.43
soil),
fungal
population
was
lowest
(67.68
102
T8.
Functional
a
strong,
statistically
significant
positive
effect
G,
N
S
sites
Acidobacteriota
Actinobacteriota
declined
most
places,
while
Firmicutes,
Crenarchaeota
drought-tolerant
bacteria
such
as
Gemmatimonadota
exhibited
resistance.
communities
site-specific
responses,
with
an
increase
Mortierellomycota
Chytridiomycota
decrease
Ascomycota
Basidiomycota,
suggesting
possible
adaptability.
Overall,
populations,
activity,
positively
correlated
moisture
content
across
all
sites.
significance
matter,
structure,
retention
determining
resilience
is
underscored
by
these
changes
function,
which
turn
affect
nutrient
cycling
ecosystem
stability.
findings
our
indicate
that
biological
regions
can
be
modified
mere
drought.
Язык: Английский