Agronomy,
Journal Year:
2024,
Volume and Issue:
14(10), P. 2263 - 2263
Published: Oct. 1, 2024
Conservation
tillage
methods,
including
straw
return
(SR)
and
no
(NT),
are
widely
used
to
improve
the
soil
organic
carbon
(SOC)
content
crop
yield.
However,
applying
SR
or
NT
separately
has
become
a
common
practice
for
farmers
producing
different
crops
those
in
regions.
Evaluating
effects
of
on
SOC
content,
emissions,
yield
important
guiding
correct
application
conservation
promoting
sustainable
agricultural
development.
Therefore,
we
conducted
meta-analysis
based
1014
sets
data
obtained
China
assess
Compared
with
return,
increased
by
10%
8.6%,
respectively,
but
significant
impact
emissions.
conventional
tillage,
2.9%
reduced
emissions
18%
3.9%,
respectively.
We
also
found
that
combined
had
an
additive
effect,
where
combination
improved
more
than
alone.
If
alone,
specific
climatic
conditions,
characteristics,
field
management
strategies
need
be
considered
maximize
SOC.
In
particular,
should
limited
hydrothermal
conditions
(low
temperature
low
precipitation)
areas
rice–wheat
rotation
is
implemented.
can
under
any
climate
it
effectively
increase
continuous
wheat
cropping
areas.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(10), P. 3256 - 3273
Published: April 27, 2024
Abstract
Soil
compaction
is
generally
viewed
as
one
of
the
most
serious
soil
degradation
problems
and
a
determining
factor
in
crop
productivity
worldwide.
It
imperative
to
understand
processes
involved
meet
future
global
challenges
food
security.
In
this
work,
we
used
co‐occurring
keyword
analysis
summarize
3491
papers
on
over
past
40
years,
elaborating
main
research
focuses
such
causes,
influencing
factors,
effects
crops,
mitigation
prevention
compaction.
This
review
provides
comprehensive
discussion
compaction,
including
altering
structure,
increasing
bulk
density
(BD)
penetration
resistance
(PR),
reducing
porosity
hydraulic
properties.
Notably,
based
387
data
points
11
about
BD,
our
results
demonstrated
average,
increased
BD
by
7.6%,
6.9%,
3.2%
medium‐,
coarse‐,
fine‐textured
soils,
respectively.
Based
264
18
papers,
0–30
cm
layer,
(by
91%
coarse‐textured,
84.2%
medium‐textured,
8.8%
soils).
Compacted
limits
access
roots
water
nutrients,
leading
poor
root
development
reduced
productivity.
There
was
difference
sensitivity
between
different
but
growth
yield
showed
an
overall
worsening
trend
with
degrees
collected
142
yields
found
that
wheat,
barley,
corn,
soybean
decreased
average
4.1%,
15.1%,
37.7%,
22.7%,
respectively,
range
1.1–1.8
Mg/cm
3
after
Additionally,
effectiveness
measures,
natural,
tillage,
biological,
systematically
discussed.
Compared
should
be
top
priority
although
there
still
lack
practical
methods.
conditions
agricultural
machinery
type
are
factors
affecting
risk
process
Therefore,
it
particularly
important
optimize
working
field
farm
reduce
initiative
pivotal
for
ensuring
sustainable
systems
production
recovering
from
compacted
soil.
