Agriculture & Biology
organic wastes
100%
agricultural wastes
96%
microbial activity
84%
field experimentation
72%
sewage sludge
49%
heavy metals
47%
microbial biomass
44%
soil
41%
cattle manure
31%
advocacy
20%
fertilizers
20%
NPK fertilizers
16%
cleaners
16%
ecological function
15%
organic fertilizers
14%
developed countries
14%
mineral fertilizers
14%
microbial communities
12%
soil organic matter
12%
households
12%
breathing
11%
urine
11%
industry
8%
carbon
8%
bacteria
7%
Earth & Environmental Sciences
organic waste
89%
microbial activity
78%
trial
65%
heavy metal
39%
sewage sludge
38%
fertilizer
34%
soil
34%
cattle
27%
biomass
24%
outsourcing
19%
effect
19%
inorganic fertilizer
18%
advocacy
17%
organic fertiliser
16%
domestic waste
15%
municipal waste
15%
incineration
14%
urine
14%
manure
13%
soil organic matter
12%
slurry
12%
litter
12%
respiration
12%
microbial community
11%
disturbance
9%
bacterium
8%
industry
8%
world
7%
carbon
7%
product
6%
Medicine & Life Sciences
Fertilizers
90%
Sewage
89%
Soil
88%
Fertilization
87%
Heavy Metals
55%
Biomass
42%
Medicago
38%
Outsourced Services
18%
Manure
18%
Incineration
18%
Cattle
18%
Metallurgy
17%
Waste Products
17%
Microbiota
11%
Carbon
11%
Respiration
9%
Urine
8%
Bacteria
7%
Technology
7%
Guidelines
7%