Highlights in Science Engineering and Technology,
Год журнала:
2024,
Номер
109, С. 109 - 118
Опубликована: Июль 24, 2024
This
study
conducts
a
comparative
analysis
of
six
high-quality,
early-maturing
sweet
corn
varieties
introduced
from
international
sources,
with
focus
on
their
suitability
for
autumn
cultivation
in
the
Pearl
River
Delta
region.
The
research
evaluates
these
against
range
agronomic
traits,
including
growth
period,
plant
height,
ear
yield,
quality
characteristics,
and
disease
resistance,
using
local
variety
'Zhu
Yu
2'
as
control.
results
indicate
that
generally
exhibit
earlier
maturation
shorter
heights,
'Golden
15'
'Early
Honeysweet'
standing
out
most
promising
candidates
due
to
superior
attributes.
Despite
producing
lower
yields
compared
2',
demonstrate
enhanced
sweetness,
thinner
pericarps,
improved
taste,
which
are
highly
valued
market.
Additionally,
they
show
robust
particularly
leaf
blight
northern
spot,
is
beneficial
sustainable
farming
practices.
paper
provides
valuable
insights
into
adaptability
internationally
bred
subtropical
climate
discusses
implications
agricultural
findings
highlight
potential
extend
growing
season
improve
profitability
farmers,
while
also
emphasizing
need
ongoing
breeding
programs
optimize
yield
without
compromising
quality.
offers
foundation
future
aimed
at
developing
hybrid
combine
best
traits
cultivars,
tailored
unique
conditions
Excessive
long-term
application
of
synthetic
nitrogen
has
resulted
in
serious
environmental
issues
vulnerable
ecosystems
and
contributed
to
global
warming.
The
partial
replacement
N
fertilizer
with
manure
croplands
provides
an
alternative
agronomic
strategy
mitigate
pressure
on
the
ecological
environment.
Therefore,
this
study,
we
aimed
evaluate
effects
longer-term
substitution
soil
greenhouse
gas
emissions,
carbon
footprint
(CF),
budget.
To
end,
established
four
treatments:
no
(control,
N0),
chemical
(180
kg
ha-1,
N180),
replaced
aged
cow
at
ratios
40%
(OS40)
60%
(OS60).
Each
treatment
was
applied
sorghum
under
drip
irrigation
plastic
mulching
over
two
growing
seasons.
Greenhouse
topsoil
organic
storage,
CF,
budget,
were
assessed
using
life
cycle
assessments
balance
calculations.
results
showed
that,
compared
N180,
OS40
OS60
increased
cumulative
CO2
indirect
CO2-eq
emissions
reduced
N2O
CH4
emissions.
Soil
storage
net
primary
productivity
significantly
enhanced
those
whereas
these
variables
not
different
between
OS60.
ecosystem
budget
increasing
ratio.
A
(108
ha-1
inorganic
fertilizer,
72
fertilizer)
selected
as
a
suitable
candidate
for
reducing
CF
promoting
enrichment
salt-affected
soils.
With
the
global
concern
for
environmental
issues,
studies
of
footprints,
especially
multi-factor
have
received
great
attention
worldwide.
This
study
aims
to
offer
an
overview
this
research
domain
based
on
a
sample
relevant
literature
published
from
1992
2023,
and
analyze
trends,
basic
characteristics,
hotspots
footprints
through
bibliometrics.
not
only
sorts
out
multiple
combinations
common
objects
main
methods,
but
also
analyzes
information
countries
authors
with
large
number
publications
by
using
VOSviewer
CiteSpace,
carries
keyword
co-occurrence,
clustering,
burst
analyses
uncover
evolution
hotspots.
Finally,
concludes
that
footprint
has
potential
development,
combination
carbon
water,
energy,
other
provides
more
comprehensive
deep
perspective
assessing
impacts,
diverse
methods
drive
breakthroughs,
been
extended
interdisciplinary
fields.
offers
scholars
review
perspectives
in
field
reference
future
directions.
