Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(9)
Published: Sept. 1, 2024
Abstract
Priming
effects
of
soil
organic
matter
decomposition
are
critical
to
determine
carbon
budget
and
turnover
in
soil.
Yet,
the
overall
direction
intensity
priming
remains
under
debate.
A
second‐order
meta‐analysis
was
performed
with
9296‐paired
observations
from
363
primary
studies
general
depending
on
compound
type,
nutrient
availability,
ecosystem
type.
We
found
that
fresh
inputs
induced
positive
(+37%)
97%
paired
observations.
Labile
compounds
larger
(+73%)
than
complex
(+33%).
Nutrients
(e.g.,
N,
P)
added
reduced
compared
without
N
P,
reflecting
“nutrient
mining
matter”
as
one
main
mechanisms
effects.
Notably,
tundra,
lakebeds,
wetlands,
volcanic
soils
showed
much
(+125%)
forests,
croplands,
grasslands
(+24…+32%).
Our
findings
highlight
predominant
most
at
a
global
scale.
Optimizing
strategies
incorporate
nutrients
is
urgently
needed
offset
priming‐induced
accelerated
possible
losses.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(3), P. 633 - 633
Published: March 2, 2025
Effective
nitrogen
(N)
management
and
the
development
of
novel
N
fertilizers
are
essential
for
enhancing
maize
growth
in
tropical
soils.
One
strategy
to
increase
use
efficiency
is
organic
matrices
as
a
source
or
their
combination
with
application
mineral
sources.
Among
these
matrices,
biochar
emerges
highly
promising
option
optimizing
efficiency.
Thus,
aim
this
study
was
evaluate
effects
different
feedstocks,
respective
biochars,
on
dynamics
uptake
by
plants
two
contrasting
Oxisols.
A
30-day
greenhouse
experiment
conducted
using
grown
under
treatments
four
feedstocks
(bamboo,
sunflower
cake,
chicken
manure,
shrimp
carcass)
biochars.
The
biochars
were
applied
without
ammonium
nitrate
(AN),
alongside
negative
(no
N)
positive
(AN-only)
controls.
Ammonium
levels
analyzed
soil
solution
at
1
15
days
whole
before
after
cultivation.
Maize
biomass
production
shoot
accumulation
also
evaluated
end
experiment.
main
results,
it
observed
that
type
played
key
role
available
N,
nutrition,
growth.
In
medium-textured
Oxisol
studied,
native
matter
partially
met
requirements
due
high
content
observed.
Biochars
influenced
availability
increasing
nitrate-N
prevalence
solution.
Although
whole-soil
sufficient
robust
growth,
post-cultivation
residual
remained
low
(<75
mg
kg−1),
indicating
need
supplemental
fertilization
pots.
Oxisol,
bamboo
cake
combined
AN
increased
~12%
compared
alone.
Similarly,
clayey
fertilized
carcass
biochar—regardless
addition—outperformed
AN-fertilized
19–30%.
highlights
potential
integrating
improve
plants.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
264, P. 115438 - 115438
Published: Sept. 6, 2023
To
mitigate
global
warming
and
the
greenhouse
effect,
biochar
(BC)
has
been
regarded
as
an
important
way
of
carbon
sink.
Therefore,
this
research
explored
development
trend
BC
for
soil
sequestration
mitigation
from
2001
to
2020
based
on
bibliometric
analysis.
The
results
show
that
Yong
Sik
Ok
Johannes
Lehmann
are
top
2
high-impact
authors.
China,
America,
Germany
most
widely
collaborated
countries,
but
China's
impact
is
lower
than
America.
Chinese
Academy
Sciences
far
more
publications
any
other
institution,
Cornell
University
Kangwon
National
lead
in
terms
impact.
Research
hotspots
can
be
divided
into
five
clusters:
(1)
pyrolysis,
nutrient,
microbial
communities;
(2)
immobilization
heavy
metals;
(3)
crop
yield
properties;
(4)
gas,
meta-analysis,
field
experiment;
(5)
fraction
sequestration.
Reviews
account
60
%
10
highly
cited
papers,
eight
focus
early
period,
setting
stage
field.
Science
Total
Environment
highest
number
total
citations,
literature
published
Soil
Biology
Biochemistry
some
extent
likely
cited.
In
future,
we
need
carry
out
following
aspects:
Interaction
mechanisms
between
BC,
soil,
communities.
Designing
low-cost,
high-yield,
high-effect
optimization
methods
improve
characteristics
BC.
Effect
environment
human
health
long-term
localization
experiments.
Carbon
sinks
further
evaluated
a
scale.
Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(9)
Published: Sept. 1, 2024
Abstract
Priming
effects
of
soil
organic
matter
decomposition
are
critical
to
determine
carbon
budget
and
turnover
in
soil.
Yet,
the
overall
direction
intensity
priming
remains
under
debate.
A
second‐order
meta‐analysis
was
performed
with
9296‐paired
observations
from
363
primary
studies
general
depending
on
compound
type,
nutrient
availability,
ecosystem
type.
We
found
that
fresh
inputs
induced
positive
(+37%)
97%
paired
observations.
Labile
compounds
larger
(+73%)
than
complex
(+33%).
Nutrients
(e.g.,
N,
P)
added
reduced
compared
without
N
P,
reflecting
“nutrient
mining
matter”
as
one
main
mechanisms
effects.
Notably,
tundra,
lakebeds,
wetlands,
volcanic
soils
showed
much
(+125%)
forests,
croplands,
grasslands
(+24…+32%).
Our
findings
highlight
predominant
most
at
a
global
scale.
Optimizing
strategies
incorporate
nutrients
is
urgently
needed
offset
priming‐induced
accelerated
possible
losses.
