Earth & Environmental Sciences
plain
88%
crop rotation
68%
maize
54%
ecosystem service
49%
cover crop
49%
agricultural land
48%
sustainability
41%
services
34%
winter
33%
nitrogen
32%
agricultural ecosystem
25%
agricultural production
22%
fallow
21%
method
18%
stakeholder
18%
natural enemy
16%
agriculture
15%
fertilizer
15%
hedgerow
15%
county
15%
socioeconomic conditions
13%
policy development
13%
Sustainable Development Goal
13%
earthworm
12%
aid
11%
production system
11%
surplus
9%
village
9%
cropping practice
9%
field experiment
8%
decision
7%
design method
7%
profitability
6%
transition
6%
habitat
6%
cereal
6%
crop production
6%
ecosystem
6%
nutrition
6%
need
5%
wheat
5%
Agriculture & Biology
Vicia villosa subsp. villosa
100%
double cropping
76%
Vicia villosa
74%
China
70%
corn
68%
cropping systems
59%
wheat
35%
cover crops
34%
nitrogen
32%
Orchidaceae
23%
fallow
16%
winter
15%
natural resources conservation
14%
nitrogen fertilizers
12%
pesticide application
11%
uptake mechanisms
10%
farming systems
10%
nutrient use efficiency
8%
farmers
8%
surpluses
8%
ecosystem services
8%
plant establishment
8%
environmental sustainability
7%
economic sustainability
7%
greenhouse gas emissions
6%
groundwater
6%
mineral fertilizers
6%
prototypes
6%
profitability
6%
fertilizers
6%
labor
5%
sowing
5%
pesticides
5%