Agronomy,
Journal Year:
2022,
Volume and Issue:
12(9), P. 2219 - 2219
Published: Sept. 18, 2022
Optimizing
planting
structure
that
balances
both
high
yield
and
water
resources
shortage
is
essential
for
developing
efficient
water-saving
agriculture.
To
provide
insights
about
the
relationship
between
optimization
resource
constraint,
crop
requirement,
precipitation
coupling
degree,
gross
total
requirement
irrigation
project
metrics
were
calculated
analyzed
with
dataset
collected
from
16
locations
in
Xuchang
City,
China.
The
strategy
of
reducing
proportion
water-consumption
crops
increasing
low
consumption
degree
was
adopted
to
determine
a
suitable
scheme
based
on
IQR
(interquartile
range)
method.
Evapotranspiration
had
decreasing
trend
northwest
southeast
areas.
There
positive
correlations
(GTWR)
annual
yields
(r
=
0.825,
p
0.002),
GTWR
vegetable
areas
(PVPA)
0.734,
0.0101).
negatively
correlated
ratio
irrigated
effective
(RSEA),
wheat
(PWPA)
bean
(PBPA),
coefficients
−0.787,
−0.936
−0.828,
respectively.
winter
wheat,
summer
maize,
vegetables
flowers
decreased
by
8.8%,
25.8%,
16.2%,
28.7%,
respectively,
while
oil-beans
tubers
increased
62.4%
95.6%,
reduced
5.2%,
saving
3.25
×
107
m3
without
sacrificing
economic
benefits
after
adjusting
whole
region.
Consequently,
technology
historical
habits
should
be
considered
when
optimizing
cropping
distributions.
This
research
provided
new
theoretical
basis
comprehensive
approach
agriculture
management
regional
realistic
perspective.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(32)
Published: July 29, 2024
California
agriculture
will
undergo
significant
transformations
over
the
next
few
decades
in
response
to
climate
extremes,
environmental
regulation
and
policy
encouraging
justice,
economic
pressures
that
have
long
driven
agricultural
changes.
With
several
local
climates
suited
a
variety
of
crops,
periodically
abundant
nearby
precipitation,
public
investments
facilitated
low-priced
irrigation
water,
hosts
one
most
diverse
productive
agroecosystems
world.
farms
supply
nearly
half
high-nutrient
fruit,
tree
nut,
vegetable
production
United
States.
Climate
change
impacts
on
productivity
profitability
are
increasing
forebode
problems
for
standard
practices,
especially
water
use
norms.
We
highlight
many
challenges
confronts
under
through
direct
indirect
biophysical
conditions
ecosystem
services
drive
adaptations
farm
practices
accessibility
availability.
In
face
clear
conflicts
among
competing
interests,
we
consider
ongoing
potential
sustainable
equitable
solutions,
with
particular
attention
how
technology
can
facilitate
progress.
Soil Science Society of America Journal,
Journal Year:
2023,
Volume and Issue:
88(1), P. 89 - 108
Published: Oct. 9, 2023
Abstract
Monitoring
soil
nitrogen
(N)
dynamics
in
agroecosystems
is
foundational
to
health
management
and
critical
for
maximizing
crop
productivity
contrasting
systems.
The
newly
established
indicator,
autoclaved‐citrate
extractable
(ACE)
protein,
measures
an
organically
bound
pool
of
N.
However,
the
relationship
between
ACE
protein
other
N‐related
indicators
poorly
understood.
In
this
study,
investigated
relation
N
at
four
timepoints
across
a
single
growing
season
along
33‐year‐old
replicated
eight‐system
intensity
gradient
located
southwest
Michigan,
USA.
On
average,
polyculture
perennial
systems
that
promote
had
two
times
higher
(2–12
g
kg
−1
higher)
concentrations
compared
annual
cropping
monoculture
addition,
fluctuated
less
than
total
N,
NH
4
+
‐N,
NO
3
−
‐N
season,
which
shows
potential
serve
as
reliable
indicator
organic
status.
Furthermore,
was
positively
correlated
with
negatively
individual
sampling
gradient.
measured
toward
end
showed
consistent
positive
trend
yield
different
This
study
highlights
sustainable
practices,
SOM
cycling,
calls
more
studies
investigating
its
productivity.
