Agriculture & Biology
anaerobic digestion
100%
animal manures
81%
barley
17%
bioenergy
23%
biogas
23%
biomass
39%
carbon
14%
cropping systems
20%
digestion
48%
fermentation
15%
fertilizers
16%
grasses
63%
inoculum
36%
legumes
35%
methane
83%
mineral fertilizers
45%
mineralization
21%
nitrogen
12%
nitrogen fertilizers
78%
plant growth
15%
shoots
13%
soil
21%
soil minerals
27%
spring barley
25%
Earth & Environmental Sciences
anaerobic digestion
21%
barley
50%
bioenergy production
29%
biogas
21%
biomass
39%
carbon
12%
crop
15%
cropping practice
21%
digestion
84%
dry matter
25%
experiment
16%
fermentation
19%
fertilizer
74%
fixation
21%
grass
73%
incubation
36%
manure
82%
methane
65%
mineral
35%
mineralization
16%
nitrogen
51%
shoot
22%
soil
27%
substrate
14%