Agronomy,
Journal Year:
2023,
Volume and Issue:
13(4), P. 1174 - 1174
Published: April 20, 2023
Heavy
metals
(HMs)
stress,
particularly
lead
(Pb)
is
one
of
the
most
hazardous
environmental
stresses
that
can
negatively
affect
plants’
growth,
yield,
and
quality.
Therefore,
effects
zinc
oxide
nanoparticles
(ZnO-NPs;
50
mg
L−1),
nano-hydroxyapatite
(HP-NPs;
kg−1),
their
combination
on
physiological,
yield
traits
maize
grown
in
soil
contaminated
with
Pb
(i.e.,
100
kg−1)
were
investigated.
The
results
showed
stress
significantly
reduced
plant
leaf
area
by
50.9%
at
40
days
after
sowing
(DAS),
55.5%
70
DAS,
54.2%
DAS
comparison
to
unstressed
plants
(control).
However,
combined
application
ZnO-NPs
(50
L−1)
+
HP-NPs
adverse
growth
terms
increasing
117.6%
Pb-contaminated
(100
kg−1).
Similarly,
resulted
increments
total
chlorophyll
content
47.1%,
photosynthesis
rate
255.1%,
stomatal
conductance
380%
obtained
from
stressed
Pb.
On
other
hand,
antioxidants
such
as
sodium
dismutase
(SOD;
87.1%),
peroxidase
(POX;
90.8%),
catalase
(CAT;
146%),
proline
(116%)
increased
a
result
compared
plants.
Moreover,
N,
P,
K,
Zn
contents
whole
under
decreased
38.7%,
69.9%,
46.8%,
82.1%,
respectively,
those
control.
Whereas
treatment
uptake
nutrients
and,
consequently,
highest
values
ear
weight,
grain
harvest
index
obtained.
Furthermore,
biomass
77.6%
grains
90.21%
exposed
stress.
In
conclusion,
improved
physiological
traits,
antioxidants,
well
elemental
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(6), P. e16692 - e16692
Published: May 27, 2023
Most
worldwide
policy
frameworks,
including
the
United
Nations
Sustainable
Development
Goals,
highlight
soil
as
a
key
non-renewable
natural
resource
which
should
be
rigorously
preserved
to
achieve
long-term
global
sustainability.
Although
some
is
naturally
enriched
with
heavy
metals
(HMs),
series
of
anthropogenic
activities
are
known
contribute
their
redistribution,
may
entail
potentially
harmful
environmental
and/or
human
health
effects
if
certain
concentrations
exceeded.
If
this
occurs,
implementation
rehabilitation
strategies
highly
recommended.
there
many
publications
dealing
elimination
HMs
using
different
methodologies,
most
those
works
have
been
done
in
laboratories
and
not
comprehensive
reviews
about
results
obtained
under
field
conditions.
Throughout
review,
we
examine
methodologies
that
used
real
scenarios
and,
based
on
representative
case
studies,
present
evolution
outcomes
remediation
applied
soil-contamination
events
where
legacies
past
metal
mining
or
mine
spills
posed
serious
threat
for
conservation.
So
far,
best
efficiencies
at
field-scale
reported
when
combined
such
physical
containment
assisted-phytoremediation.
We
also
introduced
emerging
problem
contamination
agricultural
soils
implemented
tackle
problem.
techniques
changed
much
last
decades,
encouraging
facts
advances
field.
Thus,
growing
number
companies
publicise
webpages
efforts;
moreover,
scientific
innovative
highly-efficient
environmental-friendly
methods
increasing.
In
any
case,
better
cooperation
between
scientists
other
soil-related
stakeholders
still
required
improve
performance.
Agronomy,
Journal Year:
2023,
Volume and Issue:
13(6), P. 1600 - 1600
Published: June 13, 2023
The
agricultural
sector
is
a
vital
source
of
human
well-being
that
provides
the
necessities
daily
life.
A
variety
farming
systems
are
utilized
in
agriculture,
such
as
wide
range
tillage
options,
no-till,
agroforestry,
precision
farming,
organic
cover
cropping,
crop
rotations,
etc.
Each
these
has
unique
challenges,
and
nanotechnology
successfully
improved
on
many
them.
Agricultural
applications
include
nanofertilizers,
nanopesticides,
nanosensors,
nanobiotechnology,
nanoremediation.
This
study
focuses
application
nano-farming
technologies
to
different
systems.
Suggested
practices
nano
improvement
soil
quality,
nano-protection
under
biotic
stress,
nanoremediation
polluted
water
environments,
nanomanagement
agro-wastes,
nano-agrochemicals,
nano-precision
nanobiotechnology
for
modern
farming.
review
also
addresses
expected
problems
may
occur
due
over
nanomaterials
systems,
nanopollution
nanotoxicity
agroecosystem
compartments.
Several
dimensions
emphasized
this
study,
green
energy,
sustainable
development,
circular
bioeconomy,
land
biodegradation,
pollution,
one
health
approach,
essential
global
goals
development.
Nanofarming
presents
both
benefits
obstacles
exact
balance
between
challenges
needs
more
study.
