Plants,
Journal Year:
2023,
Volume and Issue:
12(2), P. 311 - 311
Published: Jan. 9, 2023
Planting
a
deep-rooted
green
manure
(GM)
(more
than
1.0
m
depth)
greatly
improves
soil
fertility
and
reduces
the
loss
of
nutrients.
However,
few
studies
have
examined
response
nitrogen
(N)
distribution
in
profile
subsoil
N
recovery
to
long-term
planting
incorporation
GM.
Based
on
12-year
(2009−2021)
experiment
spring
maize-winter
GMs
rotation
North
China
Plain
(NCP),
this
study
investigated
effects
different
that
were
planted
over
winter,
including
ryegrass
(RrG,
Lolium
L.)
(>1.0
m),
Orychophragmus
violaceus
(OrV,
(>0.8
hairy
vetch
(VvR,
Vicia
villosa
Roth.)
maize
yield,
deep
profile,
use
efficiencies,
functional
gene
abundances
involving
nitrification−denitrification
processes
N2O
production.
Compared
with
winter
fallow,
yield
significantly
increased
by
11.6%
after
10
years
manuring,
water
storage
0−200
cm
5.0−17.1%
at
seedling
stage.
The
total
content
layer
0−90
15.8−19.7%,
while
nitrate
(80−120
cm)
decreased
17.8−39.6%.
GM
rate
(10.4−32.7%)
fertilizer
partial
productivity
(4.6−13.3%).
Additionally,
topsoil
genes
(ammonia-oxidizing
archaea
amoA,
ammonia-oxidizing
bacterial
nirS,
nirK)
without
increasing
production
potential.
These
results
indicated
effectively
reduce
accumulation
nitrates
improve
crop
demonstrating
great
value
manuring
soil,
increase
risk
NCP.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
The
broad
philosophy
comprising
regenerative
agriculture
can
be
deconstructed
into
several
underpinning
components,
including
adaptive
multi-paddock
grazing
(AMP),
improved
biodiversity,
silvopasture,
and
minimal
use
of
cultivation
synthetic
fertilisers.
Here,
we
sheep
farms
positioned
across
a
rainfall
gradient
to
examine
how
pasture
species
diversity,
antecedent
SOC
AMP
influence
soil
organic
carbon
(SOC)
accrual,
greenhouse
gas
(GHG)
emissions,
production
enterprise
profit.
Compared
with
light
intensities
for
long
durations,
high-intensity
short-duration
cell
spelling
periods
(AMP)
amplified
productivity,
improving
accrual
GHG
abatement,
increasing
profit
per
animal
hectare.
Renovation
pastures
high-yielding,
low-emissions
ecotypes
enhanced
removals,
albeit
lesser
extent
than
that
realised
from
AMP.
Adaptive
management,
where
animals
were
moved
in
response
residual,
evoked
the
greatest
but
also
increased
supplementary
feed
costs.
Low
stocking
rates
longer
between
events
most
profitable,
highlighting
need
agile,
proactive
management
adapted
line
seasonal
conditions.
We
conclude
(1)
whole
farm
rate
quantum
have
greater
on
production,
SOC,
compared
diversity
(2)
individual
–
rather
diversity
bearing
sward
(3)
notwithstanding
removals
via
CH4
enteric
fermentation
dominates
profiles,
(4),
catalyse
lighter
conducted
only
when
is
harmonised
long-term
sustainable
carrying
capacity,
latter
being
function
plant-available
water
capacity
drought
frequency.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: April 28, 2025
Climate
change
is
a
substantial
threat
to
the
global
food
supply,
especially
for
North
China
Plain
(NCP),
critical
agricultural
region
in
that
exhibits
high
sensitivity
and
vulnerability
climate
change.
Under
change,
many
uncertainties
remain
regarding
crop
yields,
soil
organic
carbon
(SOC),
greenhouse
gas
(GHG)
emissions.
A
20-year
on-farm
observational
study
(2003-2022)
of
winter
wheat-summer
maize
rotation
system
was
conducted
comprehensively
quantify
continuous
variations
productivity,
SOC
storage,
GHG
emissions,
footprints
(CFs)
NCP.
warming
trend
0.08°C
per
year
an
annual
increase
57
hours
sunshine
duration
were
detected
over
period.
Both
wheat
yields
showed
sustained
improvements,
with
rates
70
kg
ha-1
184
ha-1,
respectively.
Wheat
primarily
influenced
by
cumulative
November
total
potassium
(K)
content,
whereas
significantly
affected
wheat-season
inputs
(water,
N,
P,
K
fertilizers)
initial
properties
(pH,
K).
Although
production
generated
higher
emissions
than
(7,307.5
vs
2,998.7
CO2-eq
ha-1),
season
transitioned
into
net
sink
(CF
<
0)
due
accumulation
(0.58
g
kg-1
year-1).
Conversely,
depletion
(-0.72
year-1)
during
resulted
source
status
>
0).
This
divergence
likely
stems
from
contrasting
straw
management
practices:
incorporation
at
20
cm
depth
versus
surface
mulching.
Our
findings
demonstrate
significant
improvements
sequestration,
ecosystem
economic
budget
two
decades.
However,
decelerating
trends
yield
gains
warrant
strategic
attention
sustain
long-term
resilience.
