Earth & Environmental Sciences
green manure
100%
inorganic fertilizer
90%
nitrous oxide
68%
incorporation
55%
wheat
24%
fertilizer
22%
integrated management
16%
winter
16%
fertilizer application
15%
immobilization
13%
denitrification
11%
respiration
11%
field experiment
11%
crop
9%
mineral
7%
energy
6%
soil
5%
Agriculture & Biology
nitrous oxide production
90%
green manures
79%
mineral fertilizers
69%
nitrous oxide
45%
winter wheat
25%
fertilizer application
25%
immobilization in soil
21%
denitrification
16%
rye
13%
England
13%
fertilizers
10%
minerals
9%
energy
7%
crops
7%
Engineering & Materials Science
Manures
93%
Fertilizers
84%
Oxides
57%
Denitrification
24%
Crops
18%
Minerals
16%
Soils
13%
Availability
11%
Experiments
5%
Chemical Compounds
Fertilizer
81%
Green
45%
Denitrification
21%
Application
20%
Soil
14%
Mineral
13%
Energy
7%
Amount
7%