Communications in Soil Science and Plant Analysis,
Год журнала:
2024,
Номер
55(13), С. 1956 - 1966
Опубликована: Апрель 9, 2024
The
objective
of
this
study
was
to
evaluate
the
straw
decrease
bulk
density
sandy
clay
loam
and
soils
determine
effect
on
development
soybean
maize
plants.
were
compacted
using
Proctor
test
with
different
amounts
crushed
soil
surface
corresponding
0,
3,
6,
9
12
t
ha−1.
After
this,
in
pots
same
levels
its
maximum
each
soil.
Then,
sown
after
42
days,
biometric
characteristics
physiological
parameters
evaluated.
results
showed
that
critical
moisture
for
1.51
m−3
0.15
kg
kg−1,
respectively,
while
those
1.54
0.19
kg−1.
reduced
compaction
two
soils,
resulting
lower
8
ha−1
respectively.
When
evaluated
plant,
6
promoted
better
initial
Thus,
suggests
a
minimum
be
used
respectively
efficient
promoting
physical
improvements
plant
development.
AgriEngineering,
Год журнала:
2025,
Номер
7(3), С. 61 - 61
Опубликована: Фев. 28, 2025
The
sugarcane
cultivation
has
used
heavy
machinery
on
a
large
scale,
which
causes
soil
compaction.
minimum
tillage
been
to
reduce
the
traffic
of
machines
crop,
but
there
is
lack
appropriate
tools
for
implementation
this
technique,
especially
in
areas.
University
Campinas—UNICAMP
developed
conservation
tool
called
“Rotary
paraplow”,
idea
was
join
concepts
vertical
milling
cutter
with
paraplow,
subsoiling
without
inversion
soil.
rotary
paraplow
conservationist
because
it
mobilizes
only
planting
line
little
disturbance
surface
and
does
straw
area.
These
conditions
make
study
pioneering
nature,
by
proposing
an
equipment
address
these
issues
as
innovation
agricultural
market.
We
sought
evaluate
using
compare
conventional
tillage,
regarding
physical
properties
yield.
experiment
conducted
Oxisol
city
Jaguariuna,
Brazil.
comparison
made
between
properties:
bulk
density,
porosity,
macroporosity,
microporosity
penetration
resistance.
At
end,
biometric
evaluation
crop
carried
out
both
showed
few
statistically
significant
variations,
production
no
statistical
difference.
proved
be
applicable
advantage
being
invention
adapted
Brazilian
soils,
bringing
new
form
minimal
areas
less
tilling
surface,
addition
reducing
machine
traffic.
ABSTRACT
Sugarcane
straw
removal
for
bioenergy
production—especially
second‐generation
ethanol—is
shown
to
be
a
promising
pathway
decarbonization.
However,
indiscriminate
can
negatively
affect
soil‐related
ecosystem
services
(SES),
compromising
the
sustainability
of
associated
production.
Here,
comprehensive
literature
review
was
conducted
select
and
quantify
changes
in
agronomic
environmental
indicators
affected
by
low
(≤
1/3),
moderate
(>
1/3
≤
2/3),
high
2/3)
levels
consequential
impacts
on
eight
SES.
A
quali‐quantitative
approach
developed
generate
an
impact
matrix
that
provides
direction
effects
(negative,
neutral,
or
positive)
confidence
levels.
Overall,
lowest
SES
occurs
under
with
neutral
effect
C
storage,
nutrient
cycling,
weed
control,
greenhouse
gas
(GHG)
mitigation,
provision
food
bioenergy.
Water
regulation,
erosion
maintenance
soil
biodiversity
were
most
removal.
Moderate
compromise
sugarcane
cultivation
areas,
except
pest
control
GHG
emission
mitigation.
Finally,
it
also
discussed
how
negative
could
mitigated
even
reversed
through
adoption
best
management
practices,
such
as
cover
crops,
organic
amendments,
biological
products
(e.g.,
use
phosphate‐solubilizing
bacteria
mycorrhizal
fungi),
reduced
tillage,
machinery
traffic
control.
Ultimately,
results
this
study
useful
guide
decision‐making
farmers,
investors,
stakeholders,
policymakers
toward
sustainable
production
contributes
low‐carbon
economy
climate
change
Sustainability,
Год журнала:
2022,
Номер
15(1), С. 142 - 142
Опубликована: Дек. 22, 2022
Sugarcane
bagasse
ash
(SCBA),
a
biomass
waste
resulting
from
sugarcane
burning
for
electricity
production,
has
shown
to
be
viable
alternative
option
as
partial
cement
replacement
due
its
chemical
composition
and
physical
properties.
Besides,
previous
research
indicates
that
higher
curing
temperature
may
improve
the
mechanical
properties
of
mixes
containing
SCBA
replacement.
However,
environmental
assessment
those
is
lacking
in
literature.
This
study
aims
understand
how
impacts
Life
Cycle
Assessment
(LCA)
mortars.
An
LCA
was
performed
extraction
raw
materials
material
production
part
life
cycle,
including
transport.
shows
reduction
impact
when
using
highly
depends
on
temperature.
When
mortars
were
cured
at
45
°C,
use
reduced
two
times
with
respect
21
°C
(31%
vs.
14%
20%
replacement).
difference
mainly
related
fact
temperature,
better
perform
terms
strength,
thus,
net
savings
required
achieve
given
performance
are
higher.
Results
indicate
sustainability
utilization
will
mortar
poured
hot
regions
or
during
days
ambient
temperatures.
Likewise,
advantages
decrease
if
external
low.
