Ecotoxicology and Environmental Safety,
Journal Year:
2022,
Volume and Issue:
247, P. 114251 - 114251
Published: Oct. 31, 2022
Static
facultative
heap
composting
of
animal
manure
is
widely
used
in
China,
but
there
almost
no
systematic
research
on
the
phytotoxicity
produced
compost.
Here,
we
evaluated
phytotoxic
variation
compost
by
four
types
(chicken
manure,
pig
sheep
and
cattle
manure)
using
different
plant
seeds
(cucumber,
radish,
Chinese
cabbage,
oilseed
rape)
to
determine
germination
index
(GI).
The
key
factors
that
affected
GI
values
were
identified,
including
dynamics
microbial
community
during
composting.
Sensitivity
toxicity
differed
depending
type
seed
used.
Phytotoxicity
composting,
GI,
was
order:
chicken
(0-6.6
%)
<
(14.4-90.5
(46.0-93.0
(50.2-105.8
%).
Network
analysis
showed
volatile
fatty
acid
(VFA)
concentration
positively
correlated
with
Firmicutes
abundance,
NH4+-N
Actinobacteria,
Proteobacteria,
Bacteroidetes.
More
bacteria
stimulated
participate
conversions
dissolved
organic
carbon,
nitrogen,
VFA,
ammonia-nitrogen
(NH4+-N)
than
other
manure.
most
VFA
while
main
factor
affecting
carbon
nitrogen
content
composition,
as
well
core
proprietary
communities,
primary
succession
substances
which
turn
values.
In
this
study,
pathways
livestock
found
evaluated,
provided
new
insights
theoretical
support
for
safe
use
fertilizer.
Environment International,
Journal Year:
2020,
Volume and Issue:
136, P. 105458 - 105458
Published: Jan. 8, 2020
Composting
has
been
widely
used
to
turn
livestock
manure
into
organic
fertilizer.
However,
contains
various
contaminants
including
antibiotics
and
antibiotic
resistance
genes
(ARGs).
Here
we
investigated
the
variation
of
resistome
its
influencing
factors
during
a
commercial
composting.
The
results
showed
that
composting
could
effectively
reduce
relative
abundance
ARGs
mobile
genic
elements
(MGEs).
As
dominant
phylum
in
samples,
key
potential
bacterial
host
were
Actinobacteria
such
as
Leucobacter,
Mycobacterium
Thermomonosporaceae
unclassified.
Meanwhile,
Legionella
pneumophila,
Staphylococcus
saprophyticus,
Haemophilus
ducreyi
Siccibacter
turicensis
may
be
pathogenic
because
their
co-occurrence
with
ARG
subtypes.
Redundancy
analysis
dissipation
was
linked
environmental
moisture.
Bacterial
succession
well
profile
biocide
metal
(BMRGs)
determinants
which
constructed
residues
pathogens
compost
products
still
pose
risks
human
crops
after
fertilization.
Journal of Agricultural and Food Chemistry,
Journal Year:
2021,
Volume and Issue:
69(10), P. 3209 - 3218
Published: Feb. 25, 2021
The
objective
of
this
research
was
to
compare
the
in
vitro
fermentability
three
resistant
starches
(RS2,
RS3,
and
RS5).
Structural
analyses
showed
that
there
were
small
changes
long-
short-range
ordered
structure
RSs
after
fermentation
by
human
gut
microbiota.
microbiota
produced
large
amounts
short-chain
fatty
acids,
with
RS5
producing
more
butyric
acid
RS3
lactic
acid.
decreased
pH
culture
a
greater
extent
compared
RS2.
Moreover,
increased
significantly
relative
abundance
Bifidobacterium,
Dialister,
Collinsella,
Romboutsia,
Megamonas.
results
suggested
form
RS
main
factor
affecting
physiological
function
RS5,
as
recently
recognized
starch,
could
be
better
functional
ingredient
improve
health
RS2
RS3.
Agronomy,
Journal Year:
2023,
Volume and Issue:
13(2), P. 542 - 542
Published: Feb. 14, 2023
Conventional
agriculture
has
important
challenges
to
guarantee
soil
fertility
and
sustainable
food
production.
Many
agricultural
soils
in
the
world
are
degraded
multiple
strategies
currently
being
developed
restore
them.
The
study
of
beneficial
microorganisms
attracted
increasing
interest
due
their
relevant
role
development.
balance
maintenance
ecosystem
services,
such
as
biomass
transformation,
nutrient
cycling,
plant
growth,
health,
directly
dependent
on
microbial
activity.
Therefore,
it
is
promote
its
establishment
propagation.
An
ancient
technique
that
favors
biodiversity
production
application
compost.
While
numerous
studies
have
focused
benefits
cultivation,
fewer
for
microbiota.
objective
this
review
was
elucidate
microbiota
composting
process
impact
agriculture.
presents
advances
knowledge
importance
involved
how
compost
promotes
multiplication
consortia
functions
soils,
shifting
towards
a
more
resilient
