Brazilian Journal of Biology,
Journal Year:
2023,
Volume and Issue:
83
Published: Jan. 1, 2023
Abstract
The
use
of
residues
from
coffee
production
to
obtain
biochar
is
a
sustainable
approach,
which
aims
minimize
the
environmental
impact
these
materials.
In
this
study,
effect
adding
straw
on
physiological
quality
lettuce
and
sorghum
seeds
was
investigated.
Thus,
objective
work
study
different
concentrations
in
substrate
composition
(Lactuca
sativa)
(Sorghum
bicolor)
seeds.
experimental
design
used
completely
randomized,
with
five
(0;
7.5;
15;
30
60%),
conducted
four
replications
25
studied
does
not
provide
an
increase
average
germination
percentage
vigor
concentration
caused
less
seed
vigor,
suggesting
toxic
effect.
For
germination,
there
no
significant
difference
between
species,
regardless
treatment.
speed
index,
have
higher
means,
except
for
treatment
addition
15%
biochar.
Lettuce
shoot
length
averages,
100%
commercial
substrate.
mean
root
dry
mass
than
lettuce,
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(4)
Published: July 1, 2024
Climate
change
poses
significant
challenges
to
global
agriculture,
with
rising
temperatures,
altered
precipitation
patterns,
and
increased
frequency
of
extreme
weather
events
threatening
crop
yields.
These
changes
exceed
the
adaptability
thresholds
many
crops,
decreasing
their
yield
food
security.
At
plant
physiological
levels,
climate
change-induced
stressors
disrupt
photosynthesis,
growth,
reproductive
processes,
contributing
a
reduced
productivity.
Furthermore,
negative
impacts
on
agriculture
are
exacerbated
by
anthropogenic
factors,
itself
significantly
greenhouse
gas
emissions.
To
mitigate
these
challenges,
various
approaches
have
been
explored.
This
work
reviews
most
important
physical,
chemical,
biological
strategies
commonly
used
in
broad
range
agricultural
crops.
Among
physical
strategies,
increasing
water
use
efficiency
without
reduction
through
different
irrigation
foliar
treatments
reflective
properties
effects
stresses
proven
be
effective.
Concerning
chemical
approaches,
exogenous
treatment
plants
chemicals
induces
existing
molecular
defense
mechanisms,
enhancing
abiotic
stress
tolerance.
Regarding
treatments,
inoculation
mycorrhiza
growth-promoting
rhizobacteria
(PGPR)
can
improve
enzymatic
antioxidant
capacity
mineral
solubilization,
favoring
root
growth
enhance
performance
under
stressful
conditions.
While
provide
valuable
short-
medium-term
solutions,
there
is
pressing
need
for
new
biotechnological
aimed
at
developing
genotypes
resistant
Collaborative
efforts
among
researchers,
policymakers,
stakeholders
essential
ensure
security
face
ongoing
challenges.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(2), P. 372 - 372
Published: Feb. 15, 2024
The
soil
in
a
lead–zinc
mining
area,
contaminated
with
heavy
metals
like
cadmium
(Cd)
and
lead
(Pb),
poses
risk
to
crops
such
as
maize.
Experiments
using
biochar
sepiolite
ameliorants
potted
maize
showed
these
substances
can
mitigate
metal
contamination.
Biochar
increased
potassium
phosphorus
the
maize,
while
significantly
boosted
overground
by
73.2%.
Both
transformed
Cd
Pb
into
more
stable
state
soil,
reducing
their
accumulation
especially
biochar,
which
effectively
inhibited
migration
during
leaching
events.
This
study
provided
insights
for
further
improvement
of
amendments
multi-factor
application
experiments.
ABSTRACT
Production
of
high‐yield
and
high‐quality
fruits
is
always
the
long‐term
objective
fruit
crop
cultivation,
which,
however,
challenged
by
various
abiotic
stresses
such
as
drought,
extreme
temperatures
high
salinity,
adverse
impacts
on
crops
are
exacerbated
climate
change
in
recent
years.
To
cope
with
these
environmental
stressors,
have
evolved
adaptative
strategies
involving
physiological
changes
molecular
regulation.
In
this
review,
we
summarise
relevent
photosynthesis,
osmotic
reactive
oxygen
species
(ROS)
equilibrium,
metabolism
protein
homeostasis
response
to
stresses.
Moreover,
perception
stimuli
well
progress
underlying
regulatory
mechanisms
also
discussed.
Based
our
current
knowledge,
possible
for
stress
resilience
improvement
accordingly
proposed.
addition,
discuss
challenges
identification
key
nodes
plant
responses
multiple
development
stress‐resilient
crops,
addressing
issues
future
would
advance
understanding
how
combat
facilitate
breeding
superior
that
can
adapt
thrive
changing
environments.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(24), P. 17369 - 17369
Published: Dec. 11, 2023
This
study
aimed
to
develop
a
biostimulant
formulation
using
humic
acid
(HA),
silicon,
and
biochar
alone
or
in
combination
alleviate
the
lethality
induced
by
combined
heavy
metals
(HM-C;
As,
Cd,
Pb),
drought
stress
(DS;
30-40%
soil
moisture),
salt
(SS;
150
mM
NaCl)
rice.
The
results
showed
that
HA,
Si,
application
improved
plant
growth
under
normal,
DS,
SS
conditions
significantly.
However,
HA
increased
of
rice
increasing
Pb
uptake
significantly,
thereby
elevating
lipid
peroxidation.
Co-application
reduced
abscisic
acid,
elevated
salicylic
optimized
Ca2+
Si
uptake.
subsequently
K+/Na+
influx
efflux
regulating
metal
ion
regulators
(Si:
Lsi1
Lsi2;
K+/Na+:
OsNHX1)
expressions
stress-response
genes
OsMTP1
OsNramp
shoots.
Melatonin
synthesis
was
significantly
HM-C
(130%),
which
50%
with
+
treatment.
SS-
DS-induced
crops,
melatonin
content
only
minor
differences.
These
findings
suggest
could
be
used
mitigate
precautions
should
taken
when
for
detoxification.
ACS Agricultural Science & Technology,
Journal Year:
2024,
Volume and Issue:
4(7), P. 681 - 689
Published: April 24, 2024
Forestry-waste
biochar
was
tested
as
a
commercial
substrate
(peat:lapillus
1:1
v/v)
amendment
in
growing
tomatoes
(Solanum
lycopersicum
L.).
Substrates
were
0%
(control),
5%,
10%,
20%,
and
40%
(%
biochar-enriched
characterized
for
their
textural
physicochemical
properties.
After
harvesting,
tomato
production
(i.e.,
plant
fruits),
quality
(e.g.,
nutrition
nutraceutics),
safety
biochar-related
pollutants)
assessed
according
to
the
different
media.
10-to-40%
substrates
only
exceeded
pH
threshold
set
by
L.D.
75/2010.
Ni
Mn
exhibited
similar
trend
between
fruits,
while
Cr,
Pb,
Cd
absent.
Plant
biomass
increased
(up
11–29%)
content,
which
conversely
diminished
fruit
(∼25–60%
reduction).
Only
acenaphthene
an
increasing
profile
(11–12
μg
kg–1)
treatments,
nevertheless
complying
with
European
regulations.
PLS-DA
confirmed
practice
suitability
substrate–crop
correlation,
providing
prediction
models
assessment.
